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granatum L. bark</title> <meta name="description" content="Search results for: Punica granatum L. bark"> <meta name="keywords" content="Punica granatum L. bark"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button 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action="https://publications.waset.org/abstracts/search"> <div id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Punica granatum L. bark"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 150</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Punica granatum L. bark</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">150</span> Antibacterial Activity of Ethanolic and Aqueous Extracts of Punica Granatum L. Bark </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=H.%20Kadi">H. Kadi</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Moussaoui"> A. Moussaoui</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Medah"> A. Medah</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Benayahia"> N. Benayahia</a>, <a href="https://publications.waset.org/abstracts/search?q=Nahal%20Bouderba"> Nahal Bouderba</a> </p> <p class="card-text"><strong>Abstract:</strong></p> For thousands of years, Punica granatum L. has been used in traditional medicine all over the world and predate the introduction of antibacterial drugs. The aim of the present study was to investigate the antibacterial activity of aqueous and ethanolic extracts of Punica granatum L. bark obtained by decoction and maceration. The different extracts of Punica granatum L. (Lythraceae) bark have been tested for antibacterial activity against Gram-positive bacteria (Staphylococcus aureus, Bacillus stearothermophilus) and Gram-negative bacteria (Escherichia coli, Pseudomonas aeruginosa) by disc diffusion method. The ethanolic macerate extract showed the strong in vitro antibacterial activity against Pseudomonas aeruginosa with zone inhibition of 24.4 mm. However, the results tests by disc diffusion method revealed the effectiveness of ethanolic decoctate against Gram-positive bacteria (Staphylococcus aureus and Bacillus stearothermophilus) with diameter zone of inhibition varying with 21.1mm and 23.75 mm respectively. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Punica%20granatum%20L.%20bark" title="Punica granatum L. bark">Punica granatum L. bark</a>, <a href="https://publications.waset.org/abstracts/search?q=antibacterial%20activity" title=" antibacterial activity"> antibacterial activity</a>, <a href="https://publications.waset.org/abstracts/search?q=maceration" title=" maceration"> maceration</a>, <a href="https://publications.waset.org/abstracts/search?q=decoction" title=" decoction "> decoction </a> </p> <a href="https://publications.waset.org/abstracts/21102/antibacterial-activity-of-ethanolic-and-aqueous-extracts-of-punica-granatum-l-bark" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/21102.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">467</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">149</span> Punica granatum (Pomegranate) of a Libyan Variety Exhibits in vitro Anti-Inflammatory Potential </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lamees%20A.%20Ben%20Saad">Lamees A. Ben Saad</a>, <a href="https://publications.waset.org/abstracts/search?q=Kah%20Hwi%20Kim"> Kah Hwi Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Chin%20Chew%20Quah"> Chin Chew Quah</a>, <a href="https://publications.waset.org/abstracts/search?q=Mustafa%20Shahimi"> Mustafa Shahimi </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Punica granatum (pomegranate) was used as a traditional medicine in different parts of the world. It has been used in the treatment of pain and inflammatory conditions such as peptic ulcer. The numerous risks associated with nonsteroidal anti-inflammatory drugs (NSAIDs) for the treatment of pain and inflammation give rise to using medicinal herbs as alternative therapies. This study aimed to evaluate the anti-inflammatory effect of the ethyl acetate pomegranate fraction (EtOAc) by determination of its inhibitory effects on lipopolysaccharide (LPS), stimulated nitric oxide (NO), prostaglandin E2 (PGE-2), interleukin-6 (IL-6) and cyclooxxgenase-2 (COX2) release from RAW264.7cells. Methods: The inhibitory effect of EtOAc was evaluated on (LPS) induced NO production, PGE2, and IL-6 quantified by immunoassay kit and prostaglandin E2 competitive ELISA kit. COX2 production is an in vitro indication of possible anti-inflammatory activity and was estimated by Western blotting. Results: EtOAc potentially inhibited LPS-induced nitric oxide, prostaglandin, and IL-6 production. With these findings, it was evident that the EtOAc could reduce the LPS-induced cyclooxygenase-2 (COX-2) at the protein level in a dose-dependent manner as determined by Western blotting. Conclusion: The results emphasize potential therapeutic applications of Punica granatum in the treatment of inflammation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=inflammation" title="inflammation">inflammation</a>, <a href="https://publications.waset.org/abstracts/search?q=Punica%20granatum" title=" Punica granatum"> Punica granatum</a>, <a href="https://publications.waset.org/abstracts/search?q=cytotoxicity" title=" cytotoxicity"> cytotoxicity</a>, <a href="https://publications.waset.org/abstracts/search?q=cytokines" title=" cytokines "> cytokines </a> </p> <a href="https://publications.waset.org/abstracts/25145/punica-granatum-pomegranate-of-a-libyan-variety-exhibits-in-vitro-anti-inflammatory-potential" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25145.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">660</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">148</span> In vitro Antifungal Activity of Methanolic Extracts of Eight Various Cultivar of Persian Punica granatum L. against Candida Species</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shahindokht%20Bassiri-Jahromi">Shahindokht Bassiri-Jahromi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Reza%20Pourshafie"> Mohammad Reza Pourshafie</a>, <a href="https://publications.waset.org/abstracts/search?q=Farzad%20Katiraee"> Farzad Katiraee</a>, <a href="https://publications.waset.org/abstracts/search?q=Mannan%20Hajimahmoodi"> Mannan Hajimahmoodi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ehsan%20Mostafavi">Ehsan Mostafavi</a>, <a href="https://publications.waset.org/abstracts/search?q=Malihe%20Talebi"> Malihe Talebi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Objective: Resistance of Candida species to antifungal agents has potentially serious implications for management of infections. Candida species are now fourth common organisms isolated from hospitalized patients. It is important to increase effective therapy. In the past decade, numerous reports of treatment failures were reported. Prevention and control of these infections will require new antimicrobial agents. Plant-derived antifungal have always been a source of novel therapeutics. The aim of this study was to investigate the antifungal effect of methanolic extract of pomegranate peel and pulp against Candida species. Material and Methods: Eight cultivars of Punica granatum L. were collected from Saveh Agricultural Investigation Center in Iran. Both pomegranate pulp and peel were dried and powdered separately. The dried powders were extracted by using a soxhlet extractor. The antifungal effect of methanolic extract of pomegranate peel and pulp were determined in vitro by minimum inhibitory concentration (MIC) against five standard species of (ATCC 10231), C. parapsilosis (ATCC 22019), C. tropicalis (ATCC 750), C. glabrata (PTCC 5297), and C. kroseii (PTCC 5295). Results: Maximum inhibitions of antifungal effect were attributed to peel extract pomegranate cultivar and Candida species. The most potential antifungal inhibition among 8 different cultivars observed by sour malas, sour white peel, and sour summer extracts respectively, against five Candida strains. The antifungal activity of pulp extracts against Candida species was approximately negative. Conclusion: The use of Punica granatum peel extract has been shown to possess antifungal activities. The phytochemistry and pharmacological actions of Punica granatum peel components suggest a wide range of clinical applications for the treatment and prevention of candidiasis. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antifungal%20activity" title="antifungal activity">antifungal activity</a>, <a href="https://publications.waset.org/abstracts/search?q=Candida%20species" title=" Candida species"> Candida species</a>, <a href="https://publications.waset.org/abstracts/search?q=Punica%20granatum%20L." title=" Punica granatum L."> Punica granatum L.</a>, <a href="https://publications.waset.org/abstracts/search?q=pharmacognosy" title=" pharmacognosy"> pharmacognosy</a> </p> <a href="https://publications.waset.org/abstracts/26336/in-vitro-antifungal-activity-of-methanolic-extracts-of-eight-various-cultivar-of-persian-punica-granatum-l-against-candida-species" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/26336.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">483</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">147</span> Antibacterial Activity of Methanol Extract of Punica Granatum Linn. (Punnicaceae) Fruit Peel Against Selected Bacterial Species</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Afzan%20Mahmad">Afzan Mahmad</a>, <a href="https://publications.waset.org/abstracts/search?q=Santibuana%20Abd%20Rahman"> Santibuana Abd Rahman</a>, <a href="https://publications.waset.org/abstracts/search?q=Gouri%20Kumar%20Dash"> Gouri Kumar Dash</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohd.%20Syafiq%20Bin%20Abdullah"> Mohd. Syafiq Bin Abdullah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Antibacterial activity of the methanol extract of fruit peel of Punica granatum Linn (Family: Punicaceae) was evaluated against two Gram positive and two Gram negative bacteria. The Gram positive bacteria included Staphylococcus aureus, Streptococcus pneumoniae and the Gram negative organisms included Escherichia coli and Pseudomonas aeruginosa respectively. The culture media used for antibacterial assay was Mueller Hinton agar for the growth of S. aureus, E. coli, and P. aeruginosa. The media used for the growth of S. pneumoniae was Mueller Hinton blood agar. The antibacterial assay was performed through Disc diffusion technique. The methanol extract was tested at three different concentrations (50, 100 and 200 mg/ml). Standard antibiotic discs containing vancomycin (30 μg) for S. pneumoniae, penicillin (10 units) for S. aureus, ceftriaxone (30 μg) for E. coli and ciprofloxacin (5 μg) for P. aeruginosa were used for the activity comparison. The results of the study revealed that the extract possesses antibacterial activity against S. aureus, S. pneumoniae and P. aeruginosa at all tested concentrations. The maximum zone of inhibition of 19 mm of the extract at 200 mg/ml was observed against S. pneumoniae. However, no zone of inhibition was observed against E. coli at the tested concentrations of the extract. Based on the results obtained in this study, it may be concluded that the fruit peel of P. granatum possess broad spectrum of antibacterial activity against a number bacteria. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Punica%20granatum%20Linn." title="Punica granatum Linn.">Punica granatum Linn.</a>, <a href="https://publications.waset.org/abstracts/search?q=methanol%20extract" title=" methanol extract"> methanol extract</a>, <a href="https://publications.waset.org/abstracts/search?q=antibacterial" title=" antibacterial"> antibacterial</a>, <a href="https://publications.waset.org/abstracts/search?q=zone%20of%20inhibition" title=" zone of inhibition"> zone of inhibition</a> </p> <a href="https://publications.waset.org/abstracts/22094/antibacterial-activity-of-methanol-extract-of-punica-granatum-linn-punnicaceae-fruit-peel-against-selected-bacterial-species" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/22094.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">394</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">146</span> Effect of Methanolic Extract of Punica granatum L. Fruit Rind on Kidney, Liver Marker Enzymes, Electrolytes, and Their Histology in Normal Healthy Rats</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Y.%20A.%20Shettima">Y. A. Shettima</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20A.%20Tijjani"> M. A. Tijjani</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Modu"> S. Modu</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20I.%20Abdulrahman"> F. I. Abdulrahman</a>, <a href="https://publications.waset.org/abstracts/search?q=B.%20M.%20Abubakar"> B. M. Abubakar </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The toxicity profile of the methanolic extract of Punica granatum L. fruit rind was studied in normal rats. The rats were administered orally by intubating graded doses of 150, 250, 500 and 750 mg/kg body weight of the extract for 28 days and the effects on biochemical parameters and histology of the liver and kidney were evaluated. There was a significant increase (P<0.05) in the levels of liver enzymes of the rats that received the highest dose of 750 mg/kg body weight. The AST and ALT levels were 41.59±0.18 ALP and 9.25±0.29 IU/L, respectively, while the ALP level was 15.68±10 IU/L.There was a significant difference in the albumin and globulin levels; 3.72±0.05 and 4.05±0.13 g/dl, respectively. Serum urea and creatinine levels remained normal, as well as the electrolyte levels. The increase in sodium concentration observed was not statistically significant (P≥0.05) when the control group (131.50±3.11) was compared with the experimental groups (132.25±3.86, 132.75±3.86, 133.50±3.11 and 134.00±1.83). The increase in potassium concentration was not statistically significant (P≥0.05) when the control group with a value of 95.50±3.51 mmol/L was compared with the experimental groups 98.00±3.16, 99.25±2.22, 99.79±0.36 and 99.99±0.02 mmol/L. The increase observed in bicarbonate concentration was not statistically significant (P≥0.05) when the control group with a value of 20.75±1.71 mmol/L was compared with the experimental groups 21.68±0.62, 24.25±2.99, 24.50±3.42, 25.50±2.65 mmol/L. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=punical%20granatum" title="punical granatum">punical granatum</a>, <a href="https://publications.waset.org/abstracts/search?q=methanolic" title=" methanolic"> methanolic</a>, <a href="https://publications.waset.org/abstracts/search?q=ALT" title=" ALT"> ALT</a>, <a href="https://publications.waset.org/abstracts/search?q=AST" title=" AST"> AST</a>, <a href="https://publications.waset.org/abstracts/search?q=electrolytes" title=" electrolytes"> electrolytes</a>, <a href="https://publications.waset.org/abstracts/search?q=histology" title=" histology"> histology</a> </p> <a href="https://publications.waset.org/abstracts/9408/effect-of-methanolic-extract-of-punica-granatum-l-fruit-rind-on-kidney-liver-marker-enzymes-electrolytes-and-their-histology-in-normal-healthy-rats" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/9408.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">396</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">145</span> De Novo Assembly and Characterization of the Transcriptome during Seed Development, and Generation of Genic-SSR Markers in Pomegranate (Punica granatum L.)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ozhan%20Simsek">Ozhan Simsek</a>, <a href="https://publications.waset.org/abstracts/search?q=Dicle%20Donmez"> Dicle Donmez</a>, <a href="https://publications.waset.org/abstracts/search?q=Burhanettin%20Imrak"> Burhanettin Imrak</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahsen%20Isik%20Ozguven"> Ahsen Isik Ozguven</a>, <a href="https://publications.waset.org/abstracts/search?q=Yildiz%20Aka%20Kacar"> Yildiz Aka Kacar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Pomegranate (Punica granatum L.) is known to be one of the oldest edible fruit tree species, with a wide geographical global distribution. Fruits from the two defined varieties (Hicaznar and 33N26) were taken at intervals after pollination and fertilization at different sizes. Seed samples were used for transcriptome sequencing. Primary sequencing was produced by Illumina Hi-Seq™ 2000. Firstly, we had raw reads, and it was subjected to quality control (QC). Raw reads were filtered into clean reads and aligned to the reference sequences. De novo analysis was performed to detect genes expressed in seeds of pomegranate varieties. We performed downstream analysis to determine differentially expressed genes. We generated about 27.09 gb bases in total after Illumina Hi-Seq sequencing. All samples were assembled together, we got 59,264 Unigenes, the total length, average length, N50, and GC content of Unigenes are 84.547.276 bp, 1.426 bp, 2,137 bp, and 46.20 %, respectively. Unigenes were annotated with 7 functional databases, finally, 42.681(NR: 72.02%), 39.660 (NT: 66.92%), 30.790 (Swissprot: 51.95%), 20.212 (COG: 34.11%), 27.689 (KEGG: 46.72%), 12.328 (GO: 20.80%), and 33,833 (Interpro: 57.09%) Unigenes were annotated. With functional annotation results, we detected 42.376 CDS, and 4.999 SSR distribute on 16.143 Unigenes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=next%20generation%20sequencing" title="next generation sequencing">next generation sequencing</a>, <a href="https://publications.waset.org/abstracts/search?q=SSR" title=" SSR"> SSR</a>, <a href="https://publications.waset.org/abstracts/search?q=RNA-Seq" title=" RNA-Seq"> RNA-Seq</a>, <a href="https://publications.waset.org/abstracts/search?q=Illumina" title=" Illumina"> Illumina</a> </p> <a href="https://publications.waset.org/abstracts/75369/de-novo-assembly-and-characterization-of-the-transcriptome-during-seed-development-and-generation-of-genic-ssr-markers-in-pomegranate-punica-granatum-l" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/75369.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">240</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">144</span> Effect of Pomegranate (Punica granatum) Seed Oil on Keratinocytes in Patients with Atopic Dermatitis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fardis%20Teifoori">Fardis Teifoori</a>, <a href="https://publications.waset.org/abstracts/search?q=Mehdi%20Dehghani"> Mehdi Dehghani</a>, <a href="https://publications.waset.org/abstracts/search?q=Idoia%20Postigo"> Idoia Postigo</a>, <a href="https://publications.waset.org/abstracts/search?q=Jorge%20Martinez"> Jorge Martinez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Many skin disorders, such as atopic dermatitis (AD), is characterized by inflammation, infection, and hyperplasia. In this work, keratinocytes from AD patients are used to study the pomegranate seed oil properties for skin care. Material and methods: Isolated keratinocytes from patients with AD were cultured and stimulated by IL-9 (20 ng/ml) and TNF-α (50ng/ml) for 48h to induce vascular endothelial growth factor (VEGF) and Regulated upon activation, normal T cell expressed and secreted (RANTES) production, respectively, in the presence of different concentrations of pomegranate seed oil (20, 50, 100, and 200 µM). Finally, the concentrations of RANTES and VEGF in the cell culture supernatant were quantified according to the standard protocol of commercial ELISA kits. Results: The results indicated that pomegranate seed oil concentrations of 50, 100, and 200 µM could significantly inhibit the production of VEGF and RANTES by stimulating keratinocytes with IL-9 (20 ng/ml) and TNF-α (50ng/ml), respectively. The decrease in VEGF and RANTES concentration in the presence of the pomegranate seed oil concentrations of 20 and 50 uM was not significant. Conclusion: It was concluded that pomegranate seed oil (PSO) counteracts atopic dermatitis conditions dose-dependently: with the highest effect at the concentration of 200 µM. We suggest that the inexpensive and easily available pomegranate seed oil is a good candidate for cosmetics and clinical utilization for skin care. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=atopic%20dermatitis" title="atopic dermatitis">atopic dermatitis</a>, <a href="https://publications.waset.org/abstracts/search?q=pomegranate" title=" pomegranate"> pomegranate</a>, <a href="https://publications.waset.org/abstracts/search?q=Punica%20granatum" title=" Punica granatum"> Punica granatum</a>, <a href="https://publications.waset.org/abstracts/search?q=RANTES" title=" RANTES"> RANTES</a>, <a href="https://publications.waset.org/abstracts/search?q=VEGF" title=" VEGF"> VEGF</a> </p> <a href="https://publications.waset.org/abstracts/158675/effect-of-pomegranate-punica-granatum-seed-oil-on-keratinocytes-in-patients-with-atopic-dermatitis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/158675.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">79</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">143</span> Antimicrobial Activity of Some Alimentary and Medicinal Plants</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Akrpoum%20Souad">Akrpoum Souad</a>, <a href="https://publications.waset.org/abstracts/search?q=Lalaoui%20Korrichi"> Lalaoui Korrichi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Vicia faba L.,Vaccinium macrocarpon, Punica granatum, Lavandula officinalis, Artemisia absinthium, Linum capitatum and Camellia sinensis were frequently used in our alimentation. In this study, we have tested the antimicrobial activity of their ethanolic and methanolic extracts on some pathogen bacteria, then their ability to in vivo inhibit the growth of Strepcoccus pneumonia. The phytochemical screening has given the composition of the most active extracts. According to the obtained results, the ethanolic extract of Lavendula. officinalis and A absinthium has shown an inhibition of all the tested strains of becteria3. The ethanolic extract of L. officinalis has given the highest activity against S. pneumoniae, followed by the methanolic extract of C. sinensis 1, 2 and P. granatum. The phytochemical screening showed that the most active extracts contained mainly naturels compounds. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=plants" title="plants">plants</a>, <a href="https://publications.waset.org/abstracts/search?q=extracts" title=" extracts"> extracts</a>, <a href="https://publications.waset.org/abstracts/search?q=antimicrobial%20activity" title=" antimicrobial activity"> antimicrobial activity</a>, <a href="https://publications.waset.org/abstracts/search?q=streptococcus%20pneumoniae" title=" streptococcus pneumoniae"> streptococcus pneumoniae</a>, <a href="https://publications.waset.org/abstracts/search?q=phytochemical%20screening" title=" phytochemical screening"> phytochemical screening</a> </p> <a href="https://publications.waset.org/abstracts/27762/antimicrobial-activity-of-some-alimentary-and-medicinal-plants" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27762.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">517</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">142</span> Possible Management of Acute Liver Failure Caused Experimentally by Thioacetamide Through a Wide Range of Nano Natural Anti-Inflammatory And Antioxidants Compounds [Herbal Approach]</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sohair%20Hassan">Sohair Hassan</a>, <a href="https://publications.waset.org/abstracts/search?q=Olfat%20Hammam"> Olfat Hammam</a>, <a href="https://publications.waset.org/abstracts/search?q=Sahar%20Hussein"> Sahar Hussein</a>, <a href="https://publications.waset.org/abstracts/search?q=Wessam%20Magdi"> Wessam Magdi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Objective: Acute liver failure (ALF) is a clinical condition with an unclear history of pathophysiology, making it a challenging task for scientists to reverse the disease in its initial phase and to help the liver re-function customary: this study aimed to estimate the hepatoprotective effects of Punica granatum Lpeel and Pistacia atlantica leaves as a multi-rich antioxidants ingredients either in their normal and/or in their nanoforms against thioacetamide induced acute liver failure in a rodent model. Method: Male Wistar rats (n=60) were divided into six equal groups, the first group employed as a control; The second group administered a dose of 350 mg /Kg/ b.w of thioacetamide (TAA)-IP, from the third to the sixth group received TAA + [2mls / 100 g b.w/d] of aqueous extracts of Punica granatum L and Pistacia atlantica either in their normal and/or Nano forms consecutively for (14 days) Results: Recorded significant elevation in liver enzymes, lipid profiles, LPO (p= 0.05) and NO with a marked significant decrease in GSH and SOD accompanied by an elevation in inflammatory cytokine (IL6, TNF-α, and AFP) in addition to a noticeable increase in HSP70 level & degradation in DNA respectively in TAA challenged group. However significant and subsequent amelioration of most of the impaired markers was observed with ip nano treatment of both extracts. Conclusion: The current results highlighted the high performance of both plant nano extracts and their hepatoprotective impact and their possible therapeutic role in the amelioration of TAA induced acute liver failure in experimental animals. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=acute%20liver%20failure%20HPLC" title="acute liver failure HPLC">acute liver failure HPLC</a>, <a href="https://publications.waset.org/abstracts/search?q=IL6" title=" IL6"> IL6</a>, <a href="https://publications.waset.org/abstracts/search?q=nano%20extracts" title=" nano extracts"> nano extracts</a>, <a href="https://publications.waset.org/abstracts/search?q=thioacetamide" title=" thioacetamide"> thioacetamide</a>, <a href="https://publications.waset.org/abstracts/search?q=TNF-%CE%B1" title=" TNF-α"> TNF-α</a> </p> <a href="https://publications.waset.org/abstracts/137556/possible-management-of-acute-liver-failure-caused-experimentally-by-thioacetamide-through-a-wide-range-of-nano-natural-anti-inflammatory-and-antioxidants-compounds-herbal-approach" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/137556.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">206</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">141</span> Formulation of Value Added Beff Meatballs with the Addition of Pomegranate (Punica granatum) Extract as a Source of Natural Antioxident</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20A.%20Hashem">M. A. Hashem</a>, <a href="https://publications.waset.org/abstracts/search?q=I.%20Jahan"> I. Jahan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The experiment was conducted to find out the effect of different levels of Pomegranate (Punica granatum) extract and synthetic antioxidant BHA (Beta Hydroxyl Anisole) on fresh and preserved beef meatballs in order to make functional food. For this purpose, ground beef samples were divided into five treatment groups. They were treated as control group, 0.1% synthetic antioxidant group, 0.1%, 0.2% and 0.3% pomegranate extract group as T1, T2, T3, T4 and T5 respectively. Proximate analysis, sensory tests (color, flavor, tenderness, juiciness, overall acceptability), cooking loss, pH value, free fatty acids (FFA), thiobarbituric acid values (TBARS), peroxide value (POV) and microbiological examination were determined in order to evaluate the effect of pomegranate extract as natural antioxidant and antimicrobial activities compared to BHA (Beta Hydroxyl Anisole) at first day before freezing and for maintaining meatballs qualities on the shelf life of beef meat balls stored for 60 days under frozen condition. Freezing temperature was -20˚C. Days of intervals of experiment were on 0, 15th, 30th and 60th days. Dry matter content of all the treatment groups differ significantly (p<0.05). On the contrary, DM content increased significantly (p<0.05) with the advancement of different days of intervals. CP content of all the treatments were increased significantly (p<0.05) among the different treatment groups. EE and Ash content were decreased significantly (p<0.05) at different treatment levels. FFA values, TBARS, POV were decreased significantly (p<0.05) at different treatment levels. Color, odor, tenderness, juiciness, overall acceptability decreased significantly (p<0.05) at different days of intervals. Raw PH, cooked pH were increased at different treatment levels significantly (p<0.05). The cooking loss (%) at different treatment levels were differ significantly (p<0.05). TVC (logCFU/g), TCC (logCFU/g) and TYMC (logCFU/g) was decreased significantly (p<0.05) at different treatment levels and at different days of intervals comparison to control. Considering CP, tenderness, juiciness, overall acceptability, cooking loss, FFA, POV, TBARS value and microbial analysis it can be concluded that pomegranate extract at 0.1%, 0.2% and 0.3% can be used instead of synthetic antioxidant BHA in beef meatballs. On the basis of sensory evaluation, nutrient quality, physicochemical properties, biochemical analysis and microbial analysis 0.3% Pomegranate extract can be recommended for formulation of value added beef meatball enriched with natural antioxidant. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antioxidant" title="antioxidant">antioxidant</a>, <a href="https://publications.waset.org/abstracts/search?q=pomegranate" title=" pomegranate"> pomegranate</a>, <a href="https://publications.waset.org/abstracts/search?q=BHA" title=" BHA"> BHA</a>, <a href="https://publications.waset.org/abstracts/search?q=value%20added%20meat%20products" title=" value added meat products"> value added meat products</a> </p> <a href="https://publications.waset.org/abstracts/42656/formulation-of-value-added-beff-meatballs-with-the-addition-of-pomegranate-punica-granatum-extract-as-a-source-of-natural-antioxident" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/42656.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">246</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">140</span> Evaluation of Pheromone and Tree Trap Efficiency in Orthotomicus erosus (Col: Curculionidae: Scolytinae) Monitoring in Pine Forests of Iran</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sudabe%20Amini">Sudabe Amini</a>, <a href="https://publications.waset.org/abstracts/search?q=Jamasb%20Nozari"> Jamasb Nozari</a>, <a href="https://publications.waset.org/abstracts/search?q=Somaye%20Rahimi"> Somaye Rahimi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Bark beetles are one of the most destructive groups of pests in the forest and green space. Mediterranean pine Engraver Orthotomicus erosus (Wollston) is the dominant species in the pine forests of Iran. Pine forests are considered a crucial region in the world and need high protection. Although there is no effective control method, mass trapping is the most common method to suppress the bark beetle population. Due to this, from 2018-to 2020, a survey was conducted on bark beetles mass trapping by using two kinds of traps, including pheromone and tree trap. These traps were evaluated in 10 different sites of pine forests. The statistical results proved that significant differences between the pheromone trap and tree trap were observed. It confirmed that the pheromone trap attracted more beetles than the tree trap. The results of this study suggest that the most effective and applicable method in bark beetle’s management of pines forest is using a pheromone trap that suppresses and maintains bark beetle’s population at an economic level, although tree traps attract bark beetles too. In the future, using tree-pheromone traps, which would synergist attraction of more bark beetles, is recommended. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bark%20beetle" title="bark beetle">bark beetle</a>, <a href="https://publications.waset.org/abstracts/search?q=pines%20forest" title=" pines forest"> pines forest</a>, <a href="https://publications.waset.org/abstracts/search?q=Orthotomicus%20erosus" title=" Orthotomicus erosus"> Orthotomicus erosus</a>, <a href="https://publications.waset.org/abstracts/search?q=pheromone%20trap" title=" pheromone trap"> pheromone trap</a>, <a href="https://publications.waset.org/abstracts/search?q=tree%20trap" title=" tree trap"> tree trap</a> </p> <a href="https://publications.waset.org/abstracts/149156/evaluation-of-pheromone-and-tree-trap-efficiency-in-orthotomicus-erosus-col-curculionidae-scolytinae-monitoring-in-pine-forests-of-iran" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/149156.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">167</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">139</span> A Text-Oriented Study on Treatises and the End of the Struggles in Silius</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Arianna%20Sacerdoti">Arianna Sacerdoti</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper is original and fills, to our best Knowledge, a gap in secondary literature. It analyzes the presence of treatises in Silius Italicus’ Punica and what happens in the plot when a struggle ends. As a result, we will understand if treatises are stipulated or broken, and which narrative devices go with the presence of treatises and the end of the battles. Methodology will be text-oriented, and all the passages will be presented in the Latin language and discussed. In concluding, it is important to understand – in a poem based on war – the role of treatises and the end of battles in Silius Italicus. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Flavian%20Epic" title="Flavian Epic">Flavian Epic</a>, <a href="https://publications.waset.org/abstracts/search?q=Silius%20Italicus" title=" Silius Italicus"> Silius Italicus</a>, <a href="https://publications.waset.org/abstracts/search?q=Punica" title=" Punica"> Punica</a>, <a href="https://publications.waset.org/abstracts/search?q=treatises" title=" treatises"> treatises</a> </p> <a href="https://publications.waset.org/abstracts/107506/a-text-oriented-study-on-treatises-and-the-end-of-the-struggles-in-silius" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/107506.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">132</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">138</span> Comparative Antibacterial Property of Matured Trunk and Stem Bark Extract of Tamarindus indica L., Preformulation, Development and Quality Control of Cream</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20M.%20T.%20Jacinto">A. M. T. Jacinto</a>, <a href="https://publications.waset.org/abstracts/search?q=M.O.%20Osi"> M.O. Osi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Tamarind has various medicinal properties among which is its antibacterial property. Its bark contains saponins, alkaloids, sesquiterpenes and tannins. It is rich in phlobapenes which is responsible for antibacterial property. The objective of the study was to determine which bark will produce the highest antibacterial property, develop it into a topical cream and evaluate its quality and characteristics. Powdered barks of Tamarind were extracted by soxhlet method using 70% acetone. Stem bark produced a higher yield than trunk bark (5.85 g vs. 4.73 g). It was found that the trunk bark was more sensitive than stem bark to microorganisms namely Staphylococcus aureus, Corynebacterium minutissimum, and Streptococcus spp. Sensitivity of trunk bark can be attributed to a more developed phytoconstituents. Dermal sensitization test on both sexes of rabbits using the following concentrations: 100%, 40% and 20% of extract showed that Tamarind has no irritating property and therefore safe for formulation into an antibacterial cream. Excipients used for formulation such as methyl paraben, propyl paraben, stearyl alcohol and white petrolatum were compatible with the Tamarind acetone extract through Differential Scanning Calorimetry except sodium lauryl sulfate that exhibited crystallization when subjected at 200˚C. The method of manufacture used in cream is fusion, therefore strict compliance of processing temperature should be observed to prevent polymorphism. Quality control tests of formulated cream based on USP 30 and Philippine Pharmacopeia were satisfactory. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antibacterial" title="antibacterial">antibacterial</a>, <a href="https://publications.waset.org/abstracts/search?q=differential%20scanning%20calorimetry" title=" differential scanning calorimetry"> differential scanning calorimetry</a>, <a href="https://publications.waset.org/abstracts/search?q=tannins" title=" tannins"> tannins</a>, <a href="https://publications.waset.org/abstracts/search?q=dermal%20sensitization" title=" dermal sensitization"> dermal sensitization</a> </p> <a href="https://publications.waset.org/abstracts/16974/comparative-antibacterial-property-of-matured-trunk-and-stem-bark-extract-of-tamarindus-indica-l-preformulation-development-and-quality-control-of-cream" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/16974.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">486</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">137</span> Batch Adsorption Studies for the Removal of Textile Dyes from Aqueous Solution on Three Different Pine Bark</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=B.%20Cheknane">B. Cheknane</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20Zermane"> F. Zermane</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The main objective of the present study is the valorization of natural raw materials of plant origin for the treatment of textile industry wastewater. Selected bark was: maritime (MP), pinyon (PP) and Aleppo pine (AP) bark. The efficiency of these barks were tested for the removal of three dye; rhodamine B (RhB), Green Malachite (GM) and X Methyl Orange (MO). At the first time we focus to study the different parameters which can influence the adsorption processes such as: nature of the adsorbents, nature of the pollutants (dyes) and the effect of pH. Obtained results reveals that the speed adsorption is strongly influencing by the pH medium and the comparative study show that adsorption is favorable in the acidic medium with amount adsorbed of (Q=40mg/g) for rhodamine B and (Q=46mg/g) for orange methyl. Results of adsorption kinetics reveals that the molecules of GM are adsorbed better (Q=48mg/g) than the molecules of RhB (Q=46mg/g) and methyl orange (Q=18mg/g), with equilibrium time of 6 hours. The results of adsorption isotherms show clearly that the maritime pine bark is the most effective adsorbents with adsorbed amount of (QRhB=200mg/g) and (QMO=88mg/g) followed by pinyon pine (PP) with (QRhB=184mg/g) and (QMO=56mg/g) and finally Aleppo pine (AP) bark with (QRhB=131mg/g) and (QMO= 46mg/g). The different obtained isotherms were modeled using the Langmuir and Freundlich models and according to the adjustment coefficient values R2, the obtained isotherms are well represented by Freundlich model. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=maritime%20pine%20bark%20%28MP%29" title="maritime pine bark (MP)">maritime pine bark (MP)</a>, <a href="https://publications.waset.org/abstracts/search?q=pinyon%20pine%20bark%20%28PP%29" title=" pinyon pine bark (PP)"> pinyon pine bark (PP)</a>, <a href="https://publications.waset.org/abstracts/search?q=Aleppo%20pine%20%28AP%29%20bark" title=" Aleppo pine (AP) bark"> Aleppo pine (AP) bark</a>, <a href="https://publications.waset.org/abstracts/search?q=adsorption" title=" adsorption"> adsorption</a>, <a href="https://publications.waset.org/abstracts/search?q=dyes" title=" dyes"> dyes</a> </p> <a href="https://publications.waset.org/abstracts/38613/batch-adsorption-studies-for-the-removal-of-textile-dyes-from-aqueous-solution-on-three-different-pine-bark" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/38613.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">319</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">136</span> Rooting Out Breast Cancer by Repressing ER Gene Expression: Correlating Bioactivity of Pomegranate Rind with Chemical Constituents Identified by HPLC-MS/MS</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alaa%20M.%20M.%20Badr%20Eldin">Alaa M. M. Badr Eldin</a>, <a href="https://publications.waset.org/abstracts/search?q=Marwa%20I.%20Ezzat"> Marwa I. Ezzat</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammed%20S.%20Sedeek"> Mohammed S. Sedeek</a>, <a href="https://publications.waset.org/abstracts/search?q=Manal%20S.%20Afifi"> Manal S. Afifi</a>, <a href="https://publications.waset.org/abstracts/search?q=Omar%20M.%20Sabry"> Omar M. Sabry</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cytotoxic activity of the total methanol extract against breast cancer cell line MCF-7 was amazing IC50 at 54 ug/ml. 130 polyphenolic compounds were tentatively identified in pomegranate peel (Punica granatum L.) methanol extract using HPLC-MS/MS technique. The antiestrogenic activity of the polyphenolic constituents found in pomegranate extract was confirmed experimentally in-vitro and by the in-silico molecular docking using gallagic acid, ellagic acid, and Punicalagin as these are considered model compounds confirmed in pomegranate peel extract. The methanolic extract was found to suppress ER, TGF-β, and NF-kB in-vitro gene expression strongly, and that was verified by qPCR and Western Blot gel electrophoresis techniques. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=HPLC-MS%2FMS" title="HPLC-MS/MS">HPLC-MS/MS</a>, <a href="https://publications.waset.org/abstracts/search?q=pomegranate" title=" pomegranate"> pomegranate</a>, <a href="https://publications.waset.org/abstracts/search?q=breast%20cancer" title=" breast cancer"> breast cancer</a>, <a href="https://publications.waset.org/abstracts/search?q=ovarian%20cancer" title=" ovarian cancer"> ovarian cancer</a>, <a href="https://publications.waset.org/abstracts/search?q=ER" title=" ER"> ER</a>, <a href="https://publications.waset.org/abstracts/search?q=TGF-%CE%B2" title=" TGF-β"> TGF-β</a>, <a href="https://publications.waset.org/abstracts/search?q=NF-kB" title=" NF-kB"> NF-kB</a> </p> <a href="https://publications.waset.org/abstracts/158003/rooting-out-breast-cancer-by-repressing-er-gene-expression-correlating-bioactivity-of-pomegranate-rind-with-chemical-constituents-identified-by-hplc-msms" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/158003.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">102</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">135</span> Cycads Bark Harvest in Limpopo Province in South Africa: A Negative Practice Contributing to Biodiversity Loss</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20O.%20Bamigboye">S. O. Bamigboye</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20M.%20Tshisikhawe"> P. M. Tshisikhawe</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20J.%20Taylor"> P. J. Taylor</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cycads are the most threatened plant species in the world. In South Africa over 70% of cycads are threatened with extinction with 60% of them as a result of bark harvest of these highly endangered species for medicinal purposes. 3 cycads species in South Africa have gone extinct due to bark harvest for medicinal purpose. This practice keeps increasing biodiversity loss within the nation and this has generated concern for conservationists on different way to discover how people go about this practices and how it can be discouraged. Studies have revealed this practice to be common practice in provinces like Kwazulu natal, Eastern cape, Gauteng, Mpumalanga, but studies in the past have not really focused on cycads bark harvest in Limpopo province. In this study we use the indigenous knowledge to discover a particular location within the Soutpansberg Montane (a major biodiversity hotspot in Limpopo Province in South Africa) in Vhembe district in Limpopo province not yet conserved where we have a highly disturbed population of cycads. Several individuals of cycads species have been highly damaged due to bark harvest in this location. We are about proposing that such areas needs attention for conservation to prevent the loss of these species endemic to this particular location. Our study hereby reveals that cycads bark harvest which is a major threat to African cycads is also a common practice in Limpopo Province in South Africa. Rigorous conservation action is required to discourage this practice in order to prevent further biodiversity loss in this region. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bark%20harvest" title="bark harvest">bark harvest</a>, <a href="https://publications.waset.org/abstracts/search?q=Cycads" title=" Cycads"> Cycads</a>, <a href="https://publications.waset.org/abstracts/search?q=conservation" title=" conservation"> conservation</a>, <a href="https://publications.waset.org/abstracts/search?q=extinction" title=" extinction"> extinction</a>, <a href="https://publications.waset.org/abstracts/search?q=Limpopo" title=" Limpopo"> Limpopo</a> </p> <a href="https://publications.waset.org/abstracts/42255/cycads-bark-harvest-in-limpopo-province-in-south-africa-a-negative-practice-contributing-to-biodiversity-loss" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/42255.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">342</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">134</span> Triggering Apoptosis to Uproot Breast Cancer: HPLC-MS/MS Profiling, in-vitro and in-silico Fascinating Results of Polyphenolics in Pomegranate Rind Extract</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alaa%20M.%20Badr%20Eldin">Alaa M. Badr Eldin</a>, <a href="https://publications.waset.org/abstracts/search?q=Mayar%20M.%20Shahen"> Mayar M. Shahen</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammed%20S.%20Sedeek"> Mohammed S. Sedeek</a>, <a href="https://publications.waset.org/abstracts/search?q=Marwa%20I.%20Ezzat"> Marwa I. Ezzat</a>, <a href="https://publications.waset.org/abstracts/search?q=Sawsan%20M.%20ElSonbaty"> Sawsan M. ElSonbaty</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhammed%20A.%20Saad"> Muhammed A. Saad</a>, <a href="https://publications.waset.org/abstracts/search?q=Manal%20S.%20Afifi"> Manal S. Afifi</a>, <a href="https://publications.waset.org/abstracts/search?q=Omar%20M.%20Sabry"> Omar M. Sabry</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Using HPLC-MS/MS technique, 133 polyphenolic compounds were identified in the methanol extract of pomegranate rind (Punica granatum L.). In-vitro cytotoxic activity against breast cancer cell line MCF-7 was investigated, with an IC50 of 54 ug/ml. In-silico molecular docking using ellagic acid, gallagic acid, and Punicalagin as model compounds identified in pomegranate rind extract confirmed the intriguing anti-estrogenic action of the key polyphenolic components in pomegranate rind extract. Surprisingly, taxol showed low activity compared to pomegranate compounds as ERα antagonist and ERβ agonist. Pomegranate rind extract enhanced apoptosis of breast cancer cells through upregulation of the caspase-3 expression and downregulation of NF-κB transcription factor. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=HPLC-MS%2FMS" title="HPLC-MS/MS">HPLC-MS/MS</a>, <a href="https://publications.waset.org/abstracts/search?q=pomegranate%20rind" title=" pomegranate rind"> pomegranate rind</a>, <a href="https://publications.waset.org/abstracts/search?q=cytotoxicity" title=" cytotoxicity"> cytotoxicity</a>, <a href="https://publications.waset.org/abstracts/search?q=MCF-7" title=" MCF-7"> MCF-7</a>, <a href="https://publications.waset.org/abstracts/search?q=ER" title=" ER"> ER</a>, <a href="https://publications.waset.org/abstracts/search?q=caspase-3" title=" caspase-3"> caspase-3</a>, <a href="https://publications.waset.org/abstracts/search?q=NF-kB" title=" NF-kB"> NF-kB</a> </p> <a href="https://publications.waset.org/abstracts/163413/triggering-apoptosis-to-uproot-breast-cancer-hplc-msms-profiling-in-vitro-and-in-silico-fascinating-results-of-polyphenolics-in-pomegranate-rind-extract" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/163413.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">116</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">133</span> Phytochemical Screening and Toxicological Studies of Aqueous Stem Bark Extract of Boswellia papyrifera (DEL) in Rats</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Y.%20Abdulmumin">Y. Abdulmumin</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20I.%20Matazu"> K. I. Matazu</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20M.%20Wudil"> A. M. Wudil</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20J.%20Alhassan"> A. J. Alhassan</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20A.%20Imam"> A. A. Imam </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Phytochemical analysis of Boswellia papryfera confirms the presence of various phytochemicals such as alkaloids, flavonoids, tannins, saponins and cardiac glycosides in its aqueous stem bark extract at different concentration, with tannins being the highest (0.611 ± 0.002 g %). Acute toxicity test (LD50, oral, rat) of the extract showed no mortality at up to 5000 mg/kg and the animals were found active and healthy. The extract was declared as practically non-toxic, this suggest the safety of the extract in traditional medicine. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=acute%20toxicity" title="acute toxicity">acute toxicity</a>, <a href="https://publications.waset.org/abstracts/search?q=aqueous%20extract" title=" aqueous extract"> aqueous extract</a>, <a href="https://publications.waset.org/abstracts/search?q=boswellia%20papryfera" title=" boswellia papryfera"> boswellia papryfera</a>, <a href="https://publications.waset.org/abstracts/search?q=phytochemicals%20and%20stem%20bark" title=" phytochemicals and stem bark"> phytochemicals and stem bark</a> </p> <a href="https://publications.waset.org/abstracts/34095/phytochemical-screening-and-toxicological-studies-of-aqueous-stem-bark-extract-of-boswellia-papyrifera-del-in-rats" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/34095.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">456</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">132</span> Production of Premium Quality Cinnamon Bark Powder Using Cryogenic Grinding</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Monika%20R.%20Bhoi">Monika R. Bhoi</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20F.%20Sutar"> R. F. Sutar</a>, <a href="https://publications.waset.org/abstracts/search?q=Bhaumik%20B.%20Patel"> Bhaumik B. Patel</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The objective of this research paper is to obtain the premium quality of cinnamon bark powder through cryogenic grinding technology. The effect of grinding temperature (0, -20, -40, -60, -80 and -100˚C), feed rate (8, 9 and 10 kg/h), and sieve size (0.8, 1.0 and 1.5 mm) were evaluated with respect to grinding time, volatile oil content, particle size, energy consumption, and liquid nitrogen consumption. Cryogenic grinding process parameters were optimized to obtain premium quality cinnamon bark powder was carried out using three factorial completely randomized design. The optimization revealed that grinding of cinnamon bark at -80⁰C temperature using 0.8 mm sieve size and 10 kg/h feed rate resulted in premium quality cinnamon bark powder containing volatile oil 3.01%. In addition, volatile oil retention in cryogenically ground powder was 88.23%, whereas control (ambient grinding) had 33.11%. Storage study of premium quality cryogenically ground powder was carried out under accelerated storage conditions (38˚C & 90% R.H). Accelerated storage of cryoground powder was found to be advantageous over the conventional ground for extended storage of the ground cinnamon powder with retention of its nutritional quality. Hence, grinding of spices at optimally low cryogenic temperature is a promising technology for the production of its premium quality powder economically. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cinnamon%20bark" title="cinnamon bark">cinnamon bark</a>, <a href="https://publications.waset.org/abstracts/search?q=cryogenic%20grinding" title=" cryogenic grinding"> cryogenic grinding</a>, <a href="https://publications.waset.org/abstracts/search?q=feed%20rate" title=" feed rate"> feed rate</a>, <a href="https://publications.waset.org/abstracts/search?q=volatile%20oil" title=" volatile oil"> volatile oil</a> </p> <a href="https://publications.waset.org/abstracts/136064/production-of-premium-quality-cinnamon-bark-powder-using-cryogenic-grinding" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/136064.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">169</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">131</span> Phytochemical Screening and Toxicological Studies of Aqueous Stem Bark Extract of Boswellia papyrifera (DEL) in Albino Rats</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Y.%20Abdulmumin">Y. Abdulmumin</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20I.%20Matazu"> K. I. Matazu</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20M.%20Wudil"> A. M. Wudil</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20J.%20Alhassan"> A. J. Alhassan</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20A.%20Imam"> A. A. Imam</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Phytochemical analysis of Boswellia papryfera confirms the presence of various phytochemicals such as alkaloids, flavonoids, tannins, saponins and cardiac glycosides in its aqueous stem bark extract at different concentration, with tannins being the highest (0.611 ± 0.002 g %). Acute toxicity test (LD50,oral, rat) of the extract showed no mortality at up to 5000 mg/kg and the animals were found active and healthy. The extract was declared as practically non-toxic, this suggest the safety of the extract in traditional medicine. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=acute%20toxicity" title="acute toxicity">acute toxicity</a>, <a href="https://publications.waset.org/abstracts/search?q=aqueous%20extract" title=" aqueous extract"> aqueous extract</a>, <a href="https://publications.waset.org/abstracts/search?q=boswellia%20papryfera" title=" boswellia papryfera"> boswellia papryfera</a>, <a href="https://publications.waset.org/abstracts/search?q=phytochemicals" title=" phytochemicals"> phytochemicals</a>, <a href="https://publications.waset.org/abstracts/search?q=stem%20bark%20extract" title=" stem bark extract"> stem bark extract</a> </p> <a href="https://publications.waset.org/abstracts/34096/phytochemical-screening-and-toxicological-studies-of-aqueous-stem-bark-extract-of-boswellia-papyrifera-del-in-albino-rats" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/34096.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">427</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">130</span> Phytochemical Analysis and in vitro Biological Activities of an Ethyl Acetate Extract from the Peel of Punica granatum L. var. Dente di Cavallo</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Silvia%20Di%20Giacomo">Silvia Di Giacomo</a>, <a href="https://publications.waset.org/abstracts/search?q=Marcello%20Locatelli"> Marcello Locatelli</a>, <a href="https://publications.waset.org/abstracts/search?q=Simone%20Carradori"> Simone Carradori</a>, <a href="https://publications.waset.org/abstracts/search?q=Francesco%20Cacciagrano"> Francesco Cacciagrano</a>, <a href="https://publications.waset.org/abstracts/search?q=Chiara%20Toniolo"> Chiara Toniolo</a>, <a href="https://publications.waset.org/abstracts/search?q=Gabriela%20Mazzanti"> Gabriela Mazzanti</a>, <a href="https://publications.waset.org/abstracts/search?q=Luisa%20Mannina"> Luisa Mannina</a>, <a href="https://publications.waset.org/abstracts/search?q=Stefania%20Cesa"> Stefania Cesa</a>, <a href="https://publications.waset.org/abstracts/search?q=Antonella%20Di%20Sotto"> Antonella Di Sotto</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Hyperglycemia represents the main pathogenic factor in the development of diabetes complications and has been found associated with mitochondrial dysfunction and oxidative stress, which in turn increase cell dysfunction. Therefore, counteract oxidative species appears to be a suitable strategy for preventing the hyperglycemia-induce cell damage and support the pharmacotherapy of diabetes and metabolic diseases. Antidiabetic potential of many food sources has been linked to the presence of polyphenolic metabolites, particularly flavonoids such as quercetin and its glycosylated form rutin. In line with this evidence, in the present study, we assayed the potential anti-hyperglycemic activity of an ethyl acetate extract from the peel of Punica granatum L. var. Dente di Cavallo (PGE), a fruit well known to traditional medicine for the beneficial properties of its edible juice. The effect of the extract on the glucidic metabolism has been evaluated by assessing its ability to inhibit α-amylase and α-glucosidase, two digestive enzymes responsible for the hydrolysis of dietary carbohydrates: their inhibition can delay the carbohydrate digestion and reduce glucose absorption, thus representing an important strategy for the management of hyperglycemia. Also, the PGE ability to block the release of advanced glycated end-products (AGEs), whose accumulation is known to be responsible for diabetic vascular complications, was studied. The iron-reducing and chelating activities, which are the primary mechanisms by which AGE inhibitors stop their metal-catalyzed formation, were evaluated as possible antioxidant mechanisms. At last, the phenolic content of PGE was characterized by chromatographic and spectrophotometric methods. Our results displayed the ability of PGE to inhibit α-amylase enzyme with a similar potency to the positive control: the IC₅₀ values were 52.2 (CL 27.7 - 101.2) µg/ml and 35.6 (CL 22.8 - 55.5) µg/ml for acarbose and PGE, respectively. PGE also inhibited the α-glucosidase enzyme with about a 25 higher potency than the positive controls of acarbose and quercetin. Furthermore, the extract exhibited ferrous and ferric ion chelating ability, with a maximum effect of 82.1% and 80.6% at a concentration of 250 µg/ml respectively, and reducing properties, reaching the maximum effect of 80.5% at a concentration of 10 µg/ml. At last, PGE was found able to inhibit the AGE production (maximum inhibition of 82.2% at the concentration of 1000 µg/ml), although with lower potency with respect to the positive control rutin. The phytochemical analysis of PGE displayed the presence of high levels of total polyphenols, tannins, and flavonoids, among which ellagic acid, gallic acid and catechin were identified. Altogether these data highlight the ability of PGE to control the carbohydrate metabolism at different levels, both by inhibiting the metabolic enzymes and by affecting the AGE formation likely by chelating mechanisms. It is also noteworthy that peel from pomegranate, although being a waste of juice production, can be reviewed as a nutraceutical source. In conclusion, present results suggest the possible role of PGE as a remedy for preventing hyperglycemia complications and encourage further in vivo studies. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=anti-hyperglycemic%20activity" title="anti-hyperglycemic activity">anti-hyperglycemic activity</a>, <a href="https://publications.waset.org/abstracts/search?q=antioxidant%20properties" title=" antioxidant properties"> antioxidant properties</a>, <a href="https://publications.waset.org/abstracts/search?q=nutraceuticals" title=" nutraceuticals"> nutraceuticals</a>, <a href="https://publications.waset.org/abstracts/search?q=polyphenols" title=" polyphenols"> polyphenols</a>, <a href="https://publications.waset.org/abstracts/search?q=pomegranate" title=" pomegranate"> pomegranate</a> </p> <a href="https://publications.waset.org/abstracts/97340/phytochemical-analysis-and-in-vitro-biological-activities-of-an-ethyl-acetate-extract-from-the-peel-of-punica-granatum-l-var-dente-di-cavallo" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/97340.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">185</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">129</span> In Vitro Antioxidant and Cytotoxic Activities Against Human Oral Cancer and Human Laryngeal Cancer of Limonia acidissima L. Bark Extracts</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kriyapa%20lairungruang">Kriyapa lairungruang</a>, <a href="https://publications.waset.org/abstracts/search?q=Arunporn%20Itharat"> Arunporn Itharat</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Limonia acidissima L. (LA) (Common name: wood apple, Thai name: ma-khwit) is a medicinal plant which has long been used in Thai traditional medicine. Its bark is used for treatment of diarrhea, abscess, wound healing and inflammation and it is also used in oral cancer. Thus, this research aimed to investigate antioxidant and cytotoxic activities of the LA bark extracts produced by various extraction methods. Different extraction procedures were used to extract LA bark for biological activity testing: boiling in water, maceration with 95% ethanol, maceration with 50% ethanol and water boiling of each the 95% and the 50% ethanolic residues. All extracts were tested for antioxidant activity using DPPH radical scavenging assay, cytotoxic activity against human laryngeal epidermoid carcinoma (HEp-2) cells and human oral epidermoid carcinoma (KB) cells using sulforhodamine B (SRB) assay. The results found that the 95% ethanolic extract of LA bark showed the highest antioxidant activity with EC50 values of 29.76±1.88 µg/ml. For cytotoxic activity, the 50% ethanolic extract showed the best cytotoxic activity against HEp-2 and KB cells with IC50 values of 9.55±1.68 and 18.90±0.86 µg/ml, respectively. This study demonstrated that the 95% ethanolic extract of LA bark showed moderate antioxidant activity and the 50% ethanolic extract provided potent cytotoxic activity against HEp-2 and KB cells. These results confirm the traditional use of LA for the treatment of oral cancer and laryngeal cancer, and also support its ongoing use. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antioxidant%20activity" title="antioxidant activity">antioxidant activity</a>, <a href="https://publications.waset.org/abstracts/search?q=cytotoxic%20activity" title=" cytotoxic activity"> cytotoxic activity</a>, <a href="https://publications.waset.org/abstracts/search?q=Laryngeal%20epidermoid%20carcinoma" title=" Laryngeal epidermoid carcinoma"> Laryngeal epidermoid carcinoma</a>, <a href="https://publications.waset.org/abstracts/search?q=Limonia%20acidissima%20L." title=" Limonia acidissima L."> Limonia acidissima L.</a>, <a href="https://publications.waset.org/abstracts/search?q=oral%20epidermoid%20carcinoma" title=" oral epidermoid carcinoma"> oral epidermoid carcinoma</a> </p> <a href="https://publications.waset.org/abstracts/25184/in-vitro-antioxidant-and-cytotoxic-activities-against-human-oral-cancer-and-human-laryngeal-cancer-of-limonia-acidissima-l-bark-extracts" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25184.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">478</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">128</span> Phytochemical and Antimicrobial Studies of Root Bark Extracts from Glossonema boveanum (Decne.)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Jibrin%20Uttu">Ahmed Jibrin Uttu</a>, <a href="https://publications.waset.org/abstracts/search?q=Maimuna%20Waziri"> Maimuna Waziri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The root bark of Glossonema boveanum (Decne), a member of Apocynaceae family, is used by traditional medicine practitioner to treat urinary and respiratory tract infections, bacteremia, typhoid fever, bacillary dysentery, diarrhea and stomach pain. This present study aims to validate the medicinal claims ascribed to the root bark of the plant. Preliminary phytochemical study of the root bark extracts (n-hexane, ethyl acetate, chloroform and methanol extracts) showed the presence of alkaloids, carbohydrates, steroids, triterpenes, cardiac glycosides, saponins, tannins and flavonoids. Antimicrobial study of the extracts showed activities against Staphylococus aureus, Bacillus subtilis, Salmonella typhii, Shigella dysenteriae, Escherichia coli, Enterobacter cloacae, Streptococcus agalactiae and Candida albicans while Micrococcus luteus, Pseudomonas aeruginosa and Klebsiella Pneumoniae showed resistance to all the extracts. The inhibitory effect was compared with the standard drug ciprofloxacin and fluconazole. MIC and MBC for both extracts were also determined using the tube dilution method. This study concluded that the root bark of G. boveanum, used traditionally as a medicinal plant, has antimicrobial activities against some causative organisms. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Glossonema%20boveanum%20%28Decne.%29" title="Glossonema boveanum (Decne.)">Glossonema boveanum (Decne.)</a>, <a href="https://publications.waset.org/abstracts/search?q=phytochemical" title=" phytochemical"> phytochemical</a>, <a href="https://publications.waset.org/abstracts/search?q=antimicrobial" title=" antimicrobial"> antimicrobial</a>, <a href="https://publications.waset.org/abstracts/search?q=minimum%20inhibitory%20concentration" title=" minimum inhibitory concentration"> minimum inhibitory concentration</a>, <a href="https://publications.waset.org/abstracts/search?q=minimum%20bactericidal%20concentration" title=" minimum bactericidal concentration"> minimum bactericidal concentration</a> </p> <a href="https://publications.waset.org/abstracts/76647/phytochemical-and-antimicrobial-studies-of-root-bark-extracts-from-glossonema-boveanum-decne" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/76647.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">268</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">127</span> Effect of Microwave Radiations on Natural Dyes’ Application on Cotton</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rafia%20Asghar">Rafia Asghar</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdul%20Hafeez"> Abdul Hafeez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The current research was related with natural dyes’ extraction from the powder of Neem (Azadirachta indica) bark and studied characterization of this dye under microwave radiation’s influence. Both cotton fabric and dyeing powder were exposed to microwave rays for different time intervals (2minutes, 4 minutes, 6 minutes, 8 minutes and 10 minutes) using conventional oven. Aqueous, 60% Methanol and Ethyl Acetate solubilized extracts obtained from Neem (Azadirachta indica) bark were also exposed to different time intervals (2minutes, 4 minutes, 6 minutes, 8 minutes and 10 minutes) of microwave rays exposure. Pre, meta and post mordanting with Alum (2%, 4%, 6%, 8%, and 10%) was done to improve color strength of the extracted dye. Exposure of Neem (Azadirachta indica) bark extract and cotton to microwave rays enhanced the extraction process and dyeing process by reducing extraction time, dyeing time and dyeing temperature. Microwave rays treatment had a very strong influence on color fastness and color strength properties of cotton that was dyes using Neem (Azadirachta indica) bark for 30 minutes and dyeing cotton with that Neem bark extract for 75 minutes at 30°C. Among pre, meta and post mordanting, results indicated that 5% concentration of Alum in meta mordanting exhibited maximum color strength. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dyes" title="dyes">dyes</a>, <a href="https://publications.waset.org/abstracts/search?q=natural%20dyeing" title=" natural dyeing"> natural dyeing</a>, <a href="https://publications.waset.org/abstracts/search?q=ecofriendly%20dyes" title=" ecofriendly dyes"> ecofriendly dyes</a>, <a href="https://publications.waset.org/abstracts/search?q=microwave%20treatment" title=" microwave treatment"> microwave treatment</a> </p> <a href="https://publications.waset.org/abstracts/20346/effect-of-microwave-radiations-on-natural-dyes-application-on-cotton" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/20346.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">690</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">126</span> Phytochemicals from Enantia Chlorantha Stem Bark Inhibits the Activity ?-Amylase and ?-Glucosidase: Molecular Docking Studies</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hammed%20Tanimowo%20Aiyelabegan">Hammed Tanimowo Aiyelabegan</a>, <a href="https://publications.waset.org/abstracts/search?q=Oluchukwu%20Franklin%20Aladi"> Oluchukwu Franklin Aladi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mutiu%20Adewumi%20Alabi"> Mutiu Adewumi Alabi</a>, <a href="https://publications.waset.org/abstracts/search?q=Raliat%20Abimbola%20Aladodo"> Raliat Abimbola Aladodo</a>, <a href="https://publications.waset.org/abstracts/search?q=Emmanuel%20Oladipupo%20Ajani"> Emmanuel Oladipupo Ajani</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdulganiyu%20Giwa"> Abdulganiyu Giwa</a>, <a href="https://publications.waset.org/abstracts/search?q=Esther%20Owolabi"> Esther Owolabi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The study aimed to evaluate the inhibitory activities of ligands from Enantia chlorantha stem bark on α-amylase and α-glucosidase. In silico pharmacokinetic properties and docking scores were employed to analyse the inhibition using SwissADME and Autodock4.2, respectively. Results revealed that drug-likeness, pharmacokinetics and bioavailability radar of all the ligands except jatrorrhizine and acarbose falls within the radar according to the Lipinski rule of 5. The binding energies of the protein-ligand interactions also show that the ligand fits into the active site. The results obtained from this study show that the chemical constituents from Enantia chlorantha stem bark may bring about positive physiological changes in a patient suffering from diabetes mellitus. Further in vitro studies on diabetes cell lines and in vivo studies on the animal may validate these compounds for diabetes treatment. These phytoconstituents could help in the development of novel anti-diabetic molecules. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=diabetes%20mellitus" title="diabetes mellitus">diabetes mellitus</a>, <a href="https://publications.waset.org/abstracts/search?q=%3F-amylase" title=" ?-amylase"> ?-amylase</a>, <a href="https://publications.waset.org/abstracts/search?q=%3F-glucosidase" title=" ?-glucosidase"> ?-glucosidase</a>, <a href="https://publications.waset.org/abstracts/search?q=in%20silico" title=" in silico"> in silico</a>, <a href="https://publications.waset.org/abstracts/search?q=Enantia%20chlorantha%20stem%20bark" title=" Enantia chlorantha stem bark"> Enantia chlorantha stem bark</a> </p> <a href="https://publications.waset.org/abstracts/145916/phytochemicals-from-enantia-chlorantha-stem-bark-inhibits-the-activity-amylase-and-glucosidase-molecular-docking-studies" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/145916.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">172</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">125</span> Diversity and Ecological Analysis of Vascular Epiphytes in Gera Wild Coffee Forest, Jimma Zone of Oromia Regional State, Ethiopia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bedilu%20Tafesse">Bedilu Tafesse</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The diversity and ecological analysis of vascular epiphytes was studied in Gera Forest in southwestern Ethiopia at altitudes between 1600 and 2400 m.a.s.l. A total area of 4.5 ha was surveyed in coffee and non-coffee forest vegetation. Fifty sampling plots, each 30 m x 30 m (900 m2), were used for the purpose of data collection. A total of 59 species of vascular epiphytes were recorded, of which 34 (59%) were holo epiphytes, two (4%) were hemi epiphytes and 22 (37%) species were accidental vascular epiphytes. To study the altitudinal distribution of vascular epiphytes, altitudes were classified into higher >2000, middle 1800-2000 and lower 1600-1800 m.a.s.l. According to Shannon-Wiener Index (H/= 3.411) of alpha diversity the epiphyte community in the study area is medium. There was a statistically significant difference between host bark type and epiphyte richness as determined by one-way ANOVA p = 0.001 < 0.05. The post-hoc test shows that there is significant difference of vascular epiphytes richness between smooth bark with rough, flack and corky bark (P =0.001< 0.05), as well as rough and cork bark (p =0.43 <0.05). However, between rough and flack bark (p = 0.753 > 0.05) and between flack and corky bark (p = 0.854 > 0.05) no significant difference of epiphyte abundance was observed. Rough bark had 38%, corky 26%, flack 25%, and only 11% vascular epiphytes abundance occurred on smooth bark. The regression correlation test, (R2 = 0.773, p = 0.0001 < 0.05), showed that the number of species of vascular epiphytes and host DBH size are positively correlated. The regression correlation test (R2 = 0.28, p = 0.0001 < 0.05), showed that the number of species and host tree height positively correlated. The host tree preference of vascular epiphytes was recorded for only Vittaria volkensii species hosted on Syzygium guineense trees. The result of similarity analysis indicated that Gera Forest showed the highest vascular epiphytic similarity (0.35) with Yayu Forest and shared the least vascular epiphytic similarity (0.295) with Harenna Forest. It was concluded that horizontal stems and branches, large and rough, flack and corky bark type trees are more suitable for vascular epiphytes seedling attachments and growth. Conservation and protection of these phorophytes are important for the survival of vascular epiphytes and increase their ecological importance. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=accidental%20epiphytes" title="accidental epiphytes">accidental epiphytes</a>, <a href="https://publications.waset.org/abstracts/search?q=hemiepiphyte" title=" hemiepiphyte"> hemiepiphyte</a>, <a href="https://publications.waset.org/abstracts/search?q=holoepiphyte" title=" holoepiphyte"> holoepiphyte</a>, <a href="https://publications.waset.org/abstracts/search?q=phorophyte" title=" phorophyte"> phorophyte</a> </p> <a href="https://publications.waset.org/abstracts/6845/diversity-and-ecological-analysis-of-vascular-epiphytes-in-gera-wild-coffee-forest-jimma-zone-of-oromia-regional-state-ethiopia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/6845.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">332</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">124</span> Phenolic Compounds and Antimicrobial Properties of Pomegranate (Punica granatum) Peel Extracts</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=P.%20Rahnemoon">P. Rahnemoon</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Sarabi%20Jamab"> M. Sarabi Jamab</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Javanmard%20Dakheli"> M. Javanmard Dakheli</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Bostan"> A. Bostan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In recent years, tendency to use of natural antimicrobial agents in food industry has increased. Pomegranate peels containing phenolic compounds and anti-microbial agents, are counted as valuable source for extraction of these compounds. In this study, the extraction of pomegranate peel extract was carried out at different ethanol/water ratios (40:60, 60:40, and 80:20), temperatures (25, 40, and 55 ˚C), and time durations (20, 24, and 28 h). The extraction yield, phenolic compounds, flavonoids, and anthocyanins were measured. &lrm;Antimicrobial activity of pomegranate peel extracts were determined against some food-borne &lrm;microorganisms such as <em>Salmonella enteritidis</em>, <em>Escherichia coli</em>, <em>Listeria monocytogenes</em>, &lrm;&lrm;<em>Staphylococcus aureus</em>, <em>Aspergillus niger,</em> and <em>Saccharomyces cerevisiae </em>by agar diffusion and MIC methods. Results showed that at ethanol/water ratio 60:40, 25 ˚C and 24 h maximum amount of phenolic compounds &lrm;<span dir="RTL">&rlm;</span>(&lrm;<span dir="RTL">&rlm;</span>&lrm;349.518&lrm;<span dir="RTL">&rlm; &rlm;</span>mg gallic acid<span dir="RTL">&rlm;/&rlm;</span>g dried extract), &lrm;flavonoids (250.124 mg rutin<span dir="RTL">&rlm;/&rlm;</span>g dried extract), anthocyanins (252.047 &lrm;<span dir="RTL">&rlm;&rlm;</span>mg &lrm;cyanidin<span dir="RTL">&rlm;</span>&lrm;3&lrm;<span dir="RTL">&rlm;</span>glucoside<span dir="RTL">&rlm;/&rlm;</span>&lrm;100 g dried extract), and the strongest antimicrobial activity were obtained. &lrm;All extracts’ antimicrobial activities were demonstrated against every tested &lrm;&lrm;microorganisms<span dir="RTL">&rlm;</span>.&lrm;<span dir="RTL">&rlm; </span><em>Staphylococcus aureus</em> showed the highest sensitivity among the tested &lrm;&lrm;&lrm;microorganisms. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antimicrobial%20agents" title="antimicrobial agents">antimicrobial agents</a>, <a href="https://publications.waset.org/abstracts/search?q=phenolic%20compounds" title=" phenolic compounds"> phenolic compounds</a>, <a href="https://publications.waset.org/abstracts/search?q=pomegranate%20peel" title=" pomegranate peel"> pomegranate peel</a>, <a href="https://publications.waset.org/abstracts/search?q=solvent%20extraction%E2%80%8E" title=" solvent extraction‎"> solvent extraction‎</a> </p> <a href="https://publications.waset.org/abstracts/56500/phenolic-compounds-and-antimicrobial-properties-of-pomegranate-punica-granatum-peel-extracts" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/56500.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">258</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">123</span> Bioactivities and Phytochemical Studies of Petroleum Ether Extract of Pleiogynium timorense Bark</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gehan%20F.%20Abdel%20Raoof">Gehan F. Abdel Raoof</a>, <a href="https://publications.waset.org/abstracts/search?q=Ataa%20A.%20Said"> Ataa A. Said</a>, <a href="https://publications.waset.org/abstracts/search?q=Khaled%20Y.%20Mohamed"> Khaled Y. Mohamed</a>, <a href="https://publications.waset.org/abstracts/search?q=Hala%20M.%20Mohammed"> Hala M. Mohammed</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Pleiogynium timorense(DC.) Leenh is one of the therapeutically active plants belonging to the family Anacardiaceae. The bark of Pleiogynium timorense needs further studies to investigate its phytochemical and biological activities. This work was carried out to investigate the chemical composition of petroleum ether extract of Pleiogynium timorense bark as well as to evaluate the analgesic and anti-inflammatory activities. The unsaponifiable matter and fatty acid methyl esters were analyzed by Gas chromatography–mass spectrometry (GC-MS). Moreover, analgesic and anti-inflammatory activities were evaluated using acetic acid-induced writhing test and carrageen hind paw oedema models in rats, respectively. The results showed that twenty one compounds in the unsaponifiable fraction were identified representing 92.54 % of the total beak area, the major compounds were 1-Heptene (35.32%), Butylated hydroxy toluene (19.42%) and phytol (12.53%), whereas fifteen compounds were identified in the fatty acid methyl esters fraction representing 94.15% of the total identified peak area. The major compounds were 9-Octadecenoic acid methyl ester (35.34%) and 9,12-Octadecadienoic acid methyl ester (29.32%). Moreover, petroleum ether extract showed a significant reduction in pain and inflammation in a dose dependent manner. This study aims to be the first step toward the use of petroleum ether extract of Pleiogynium timorense bark as analgesic and anti-inflammatory drug. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=analgesic" title="analgesic">analgesic</a>, <a href="https://publications.waset.org/abstracts/search?q=anti-inflammatory" title=" anti-inflammatory"> anti-inflammatory</a>, <a href="https://publications.waset.org/abstracts/search?q=bark" title=" bark"> bark</a>, <a href="https://publications.waset.org/abstracts/search?q=petroleum%20ether%20extract" title=" petroleum ether extract"> petroleum ether extract</a>, <a href="https://publications.waset.org/abstracts/search?q=Pleiogynium%20timorense" title=" Pleiogynium timorense "> Pleiogynium timorense </a> </p> <a href="https://publications.waset.org/abstracts/93698/bioactivities-and-phytochemical-studies-of-petroleum-ether-extract-of-pleiogynium-timorense-bark" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/93698.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">168</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">122</span> Cytotoxic Terpenes from the Stems of Bark of Echinacea Angustifolia DC Collected from Girei, Adamawa State, Nigeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdu%20Zakari">Abdu Zakari</a>, <a href="https://publications.waset.org/abstracts/search?q=Said%20Jibrin"> Said Jibrin</a>, <a href="https://publications.waset.org/abstracts/search?q=Fatope%20Majekodunmi%20Oladeji"> Fatope Majekodunmi Oladeji</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammed%20Hassan%20Shagga"> Mohammed Hassan Shagga</a>, <a href="https://publications.waset.org/abstracts/search?q=Andrew%20Sule"> Andrew Sule</a> </p> <p class="card-text"><strong>Abstract:</strong></p> From the Stems of Bark of Echinaceae angustifolia DC three known triterpenes 3a,5,5b,8,8,11a-hexamethyl-1-(prop-1-en-2-yl)icosahydro-1H-cyclopenta[a]chrysene-9-yl acetate (lupeol acetate), 4,4,6a,6b,8a,10,11,14b,octamethyl1,1,2,3,4,4a,5,6,6a,6b,7,8,8a, 9,10, 11,12,12a,14,14a,14b-icosahydropicen-3-yl acetate (derivative of β-amyrin and 9- hydroxy-1-isopropenyl-5a,5b,8,8,11a-pentamethyl-icosahydro-cyclopenta[a]chrysene- 3a-carboxylic acid (betulinic acid), labelled as Ea-7-38, Ea-9-10 and Ea-12-85) were isolated and characterized. All isolates were tested for their cytotoxicities against Artemia salina (brine shrimp larvae). Compound Ea-12-85 exhibited potent cytotoxic activity against the Artemia salina, Ea-7-38, Ea-9-10 were found to be non-toxic in the cytotoxicity test. The result of the study has justified the claim of the traditional medicine practitioners in Girei for the treatment of complicated malaria disease using the stem bark of E. angustifolia DC. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cytotoxic" title="cytotoxic">cytotoxic</a>, <a href="https://publications.waset.org/abstracts/search?q=terpenes" title=" terpenes"> terpenes</a>, <a href="https://publications.waset.org/abstracts/search?q=Echinaceae%20angustifolia" title=" Echinaceae angustifolia"> Echinaceae angustifolia</a>, <a href="https://publications.waset.org/abstracts/search?q=brine%20shrimp" title=" brine shrimp"> brine shrimp</a>, <a href="https://publications.waset.org/abstracts/search?q=artemia%20salina" title=" artemia salina"> artemia salina</a> </p> <a href="https://publications.waset.org/abstracts/179010/cytotoxic-terpenes-from-the-stems-of-bark-of-echinacea-angustifolia-dc-collected-from-girei-adamawa-state-nigeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/179010.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">69</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">121</span> Production of Polyurethane Foams from Bark Wastes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lu%C3%ADsa%20P.%20Cruz-Lopes">Luísa P. Cruz-Lopes</a>, <a href="https://publications.waset.org/abstracts/search?q=Liliana%20Rodrigues"> Liliana Rodrigues</a>, <a href="https://publications.waset.org/abstracts/search?q=Idalina%20Domingos"> Idalina Domingos</a>, <a href="https://publications.waset.org/abstracts/search?q=Jos%C3%A9%20Ferreira"> José Ferreira</a>, <a href="https://publications.waset.org/abstracts/search?q=Lu%C3%ADs%20Teixeira%20de%20Lemos"> Luís Teixeira de Lemos</a>, <a href="https://publications.waset.org/abstracts/search?q=Bruno%20Esteves"> Bruno Esteves</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Currently, the polyurethanes industry is dependent on fossil resources to obtain their basic raw materials (polyols and isocyanate), as these are obtained from petroleum products. The aim of this work was to use biopolyols from liquefied Pseudotsuga (<em>Pseudotsuga menziesii</em>) and Turkey oak (<em>Quercus cerris</em>) barks for the production of polyurethane foams and optimize the process. Liquefaction was done with glycerol catalyzed by KOH. Foams were produced following different formulations and using biopolyols from both barks. Subsequently, the foams were characterized according to their mechanical properties and the reaction of the foam formation was monitored by FTIR-ATR. The results show that it is possible to produce polyurethane foams using bio-based polyols and the liquefaction conditions are very important because they influence the characteristics of biopolyols and, consequently the characteristics of the foams. However, the process has to be further optimized so that it can obtain better quality foams. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bio-based%20polyol" title="Bio-based polyol">Bio-based polyol</a>, <a href="https://publications.waset.org/abstracts/search?q=mechanical%20tests" title=" mechanical tests"> mechanical tests</a>, <a href="https://publications.waset.org/abstracts/search?q=polyurethane%20foam" title=" polyurethane foam"> polyurethane foam</a>, <a href="https://publications.waset.org/abstracts/search?q=Pseudotsuga%20bark" title=" Pseudotsuga bark"> Pseudotsuga bark</a>, <a href="https://publications.waset.org/abstracts/search?q=renewable%20resources" title=" renewable resources"> renewable resources</a>, <a href="https://publications.waset.org/abstracts/search?q=Turkey%20oak%20bark" title=" Turkey oak bark"> Turkey oak bark</a> </p> <a href="https://publications.waset.org/abstracts/51260/production-of-polyurethane-foams-from-bark-wastes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/51260.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">345</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Punica%20granatum%20L.%20bark&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Punica%20granatum%20L.%20bark&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Punica%20granatum%20L.%20bark&page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Punica%20granatum%20L.%20bark&page=5">5</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Punica%20granatum%20L.%20bark&page=2" rel="next">&rsaquo;</a></li> </ul> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About <li><a href="https://waset.org/page/support">About Us</a></li> <li><a href="https://waset.org/page/support#legal-information">Legal</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/WASET-16th-foundational-anniversary.pdf">WASET celebrates its 16th foundational anniversary</a></li> </ul> </div> <div 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