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antimicrobial activities</title> <meta name="description" content="Search results for: antimicrobial activities"> <meta name="keywords" content="antimicrobial activities"> <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="antimicrobial activities"> <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> 6884</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: antimicrobial activities</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6884</span> The Effect of Solution pH of Chitosan on Antimicrobial Properties of Nylon 6,6 Fabrics</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nil%C3%BCfer%20Y%C4%B1ld%C4%B1z%20Varan">Nilüfer Yıldız Varan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The antimicrobial activities of chitosan against various bacteria and fungi are well known, and the antimicrobial activity of chitosan depends on pH. This study investigates the antimicrobial activity at different pH levels. Nylon 6,6 fabrics were treated with different chitosan solutions. Additionally, samples were treated also in basic conditions to see the antimicrobial activities. AATCC Test Method 100 was followed to evaluate the antimicrobial activity using Staphylococcus aureus ATCC 6538 test inoculum. The pH of the chitosan solutions was controlled below 6.5 since chitosan shows its antimicrobial activity only in acidic conditions because of its poor solubility above 6.5. In basic conditions, the samples did not show any antimicrobial activity. It appears from SEM images that the bonded chitosan in the structures exists. In acidic media (ph < 6.5), all samples showed antimicrobial activity. No correlation was found between pH levels and antimicrobial activity in acidic media. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chitosan" title="chitosan">chitosan</a>, <a href="https://publications.waset.org/abstracts/search?q=nylon%206" title=" nylon 6"> nylon 6</a>, <a href="https://publications.waset.org/abstracts/search?q=6" title="6">6</a>, <a href="https://publications.waset.org/abstracts/search?q=crosslinking" title=" crosslinking"> crosslinking</a>, <a href="https://publications.waset.org/abstracts/search?q=pH%20stability" title=" pH stability"> pH stability</a>, <a href="https://publications.waset.org/abstracts/search?q=antimicrobial" title=" antimicrobial"> antimicrobial</a> </p> <a href="https://publications.waset.org/abstracts/74096/the-effect-of-solution-ph-of-chitosan-on-antimicrobial-properties-of-nylon-66-fabrics" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/74096.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">219</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">6883</span> Antimicrobial, Antioxidant and Free Radical Scavenging Activities of Essential Oils Extracted from Six Eucalyptus Species</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sanaa%20K.%20Bardaweel">Sanaa K. Bardaweel</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20M.%20Hudaib"> Mohammad M. Hudaib</a>, <a href="https://publications.waset.org/abstracts/search?q=Khaled%20A.%20Tawaha"> Khaled A. Tawaha</a>, <a href="https://publications.waset.org/abstracts/search?q=Rasha%20M.%20Bashatwah"> Rasha M. Bashatwah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Eucalyptus species are well reputed for their traditional use in Asia as well as in other parts of the world; therefore, the present study was designed to investigate the antimicrobial and antioxidant activities associated with essential oils from different Eucalyptus species. Essential oils from the leaves of six Eucalyptus species, including: Eucalyptus woodwardi, Eucalyptus stricklandii, Eucalyptus salubris, Eucalyptus sargentii, Eucalyptus torquata and Eucalyptus wandoo were separated by hydrodistillation and dried over anhydrous sodium sulphate. DPPH, ferric reducing antioxidant power, and hydroxyl radical scavenging activity assays were carried out to evaluate the antioxidant potential of the oils. The results indicate that examined oils exhibit substantial antioxidant activities relative to ascorbic acid. Previously, these oils were evaluated for their antimicrobial activities, against wide range of bacterial and fungal strains, and they were shown to possess significant antimicrobial activities. In this study, further investigation into the growth kinetics of oil-treated microbial cultures was conducted. The results clearly demonstrate that the microbial growth was markedly inhibited when treated with sub-MIC concentrations of the oils. Taken together, the results obtained indicate a high potential of the examined essential oils as bioactive oils, for nutraceutical and medical applications, possessing significant antioxidant and anti microbial activities. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antimicrobial" title="antimicrobial">antimicrobial</a>, <a href="https://publications.waset.org/abstracts/search?q=antioxidants" title=" antioxidants"> antioxidants</a>, <a href="https://publications.waset.org/abstracts/search?q=essential%20%28volatile%29%20oil" title=" essential (volatile) oil"> essential (volatile) oil</a>, <a href="https://publications.waset.org/abstracts/search?q=Eucalyptus" title=" Eucalyptus"> Eucalyptus</a> </p> <a href="https://publications.waset.org/abstracts/19747/antimicrobial-antioxidant-and-free-radical-scavenging-activities-of-essential-oils-extracted-from-six-eucalyptus-species" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/19747.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">402</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">6882</span> Production of Antimicrobial Agents against Multidrug-Resistant Staphylococcus aureus through the Biocatalysis of Vegetable Oils</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hak-Ryul%20Kim">Hak-Ryul Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyung-Geun%20Lee"> Hyung-Geun Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Qi%20Long"> Qi Long</a>, <a href="https://publications.waset.org/abstracts/search?q=Ching%20Hou"> Ching Hou</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Structural modification of natural lipids via chemical reaction or microbial bioconversion can change their properties or even create novel functionalities. Enzymatic oxidation of lipids leading to formation of oxylipin is one of those modifications. Hydroxy fatty acids, one of those oxylipins have gained important attentions because of their structural and functional properties compared with other non-hydroxy fatty acids. Recently 7,10-dihydroxy-8(E)-octadecenoic acid (DOD) was produced with high yield from lipid-containing oleic acid by microbial conversion, and the further study confirmed that DOD contained strong antimicrobial activities against a broad range of microorganisms. In this study, we tried to modify DOD molecules by the enzymatic or physical reaction to create new functionality or to enhance the antimicrobial activity of DOD. After modification of DOD molecules by different ways, we confirmed that the antimicrobial activity of DOD was highly enhanced and presented strong antimicrobial activities against multidrug-resistant Staphylococcus aureus, suggesting that DOD and its derivatives can be used as efficient antimicrobial agents for medical and industrial applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biocatalysis" title="biocatalysis">biocatalysis</a>, <a href="https://publications.waset.org/abstracts/search?q=antimicrobial%20agent" title=" antimicrobial agent"> antimicrobial agent</a>, <a href="https://publications.waset.org/abstracts/search?q=multidrug-resistant%20bacteria" title=" multidrug-resistant bacteria"> multidrug-resistant bacteria</a>, <a href="https://publications.waset.org/abstracts/search?q=vegetable%20oil" title=" vegetable oil"> vegetable oil</a> </p> <a href="https://publications.waset.org/abstracts/75239/production-of-antimicrobial-agents-against-multidrug-resistant-staphylococcus-aureus-through-the-biocatalysis-of-vegetable-oils" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/75239.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">205</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">6881</span> Composition and in Vitro Antimicrobial Activity of Three Eryngium L. Species</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=R.%20Mickiene">R. Mickiene</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Friese"> A. Friese</a>, <a href="https://publications.waset.org/abstracts/search?q=U.%20Rosler"> U. Rosler</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Maruska"> A. Maruska</a>, <a href="https://publications.waset.org/abstracts/search?q=O.%20Ragazinskiene"> O. Ragazinskiene </a> </p> <p class="card-text"><strong>Abstract:</strong></p> This research focuses on phytochemistry and antimicrobial activities of compounds isolated and identified from three species of Eryngium. The antimicrobial activity of extracts from Eryngiumplanum L., Eryngium maritimum L., Eryngium campestre L. grown in Lithuania, were tested by the method of series dilutions, against different bacteria species: Escherichia coli, Proteus vulgaris and Staphylococcus aureus with and without antibiotic resistances, originating from livestock. The antimicrobial activity of extracts was described by determination of the minimal inhibitory concentration. Preliminary results show that the minimal inhibitory concentration range between 8.0 % and 17.0 % for the different Eryngium extracts and bacterial species.The total amounts ofphenolic compounds and total amounts of flavonoids were tested in the methanolic extracts of the plants. Identification and evaluation of the phenolic compounds were performed by liquid chromatography. The essential oils were analyzed by gas chromatography mass spectrometry. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antimicrobial%20activities" title="antimicrobial activities">antimicrobial activities</a>, <a href="https://publications.waset.org/abstracts/search?q=Eryngium%20L.%20species" title=" Eryngium L. species"> Eryngium L. species</a>, <a href="https://publications.waset.org/abstracts/search?q=essential%20oils" title=" essential oils"> essential oils</a>, <a href="https://publications.waset.org/abstracts/search?q=gas%20chromatography%20mass%20spectrometry" title=" gas chromatography mass spectrometry"> gas chromatography mass spectrometry</a> </p> <a href="https://publications.waset.org/abstracts/4219/composition-and-in-vitro-antimicrobial-activity-of-three-eryngium-l-species" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/4219.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">446</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">6880</span> Antimicrobial Activity of a Single Wap Domain (SWD)-Containing Protein from Litopenaeus vannamei against Vibrio parahaemolyticus Acute Hepatopancreatic Necrosis Disease (AHPND)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Suchao%20Donpudsa">Suchao Donpudsa</a>, <a href="https://publications.waset.org/abstracts/search?q=Suwattana%20Visetnan"> Suwattana Visetnan</a>, <a href="https://publications.waset.org/abstracts/search?q=Anchalee%20Tassanakajon"> Anchalee Tassanakajon</a>, <a href="https://publications.waset.org/abstracts/search?q=Vichien%20Rimphanitchayakit"> Vichien Rimphanitchayakit</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Single Wap Domain (SWD) is a type III crustin antimicrobial peptide whose function is to defense the host animal against the bacterial infection by means of antimicrobial and antiproteinase activities. A study of LvSWD from Litopenaeus vannamei is reported herein about its activities and function against bacteria, particularly the Vibrio parahaemolyticus AHPND (VPAHPND) that causes acute hepatopancreatic necrosis disease. The over-expressed mature recombinant (r)LvSWD exhibits antimicrobial activity against both Gram-positive and Gram-negative bacteria, especially VPAHPND. With four times the MIC of rLvSWD, the treated post larval shrimp infected by VPAHPND is able to survive longer with the 50% survival rate as long as 78 h as compared to 36 h of the infected shrimp without rLvSWD. To a certain extent, we have demonstrated that the rLvSWD can be applied to protect the post larval shrimp. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=crustin" title="crustin">crustin</a>, <a href="https://publications.waset.org/abstracts/search?q=Litopenaeus%20vannamei" title=" Litopenaeus vannamei"> Litopenaeus vannamei</a>, <a href="https://publications.waset.org/abstracts/search?q=Vibrio%20parahaemolyticus%20AHPND" title=" Vibrio parahaemolyticus AHPND"> Vibrio parahaemolyticus AHPND</a>, <a href="https://publications.waset.org/abstracts/search?q=antimicrobial%20activity" title=" antimicrobial activity"> antimicrobial activity</a> </p> <a href="https://publications.waset.org/abstracts/64929/antimicrobial-activity-of-a-single-wap-domain-swd-containing-protein-from-litopenaeus-vannamei-against-vibrio-parahaemolyticus-acute-hepatopancreatic-necrosis-disease-ahpnd" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/64929.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">216</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">6879</span> Discerning of Antimicrobial Potential of Phenylpropanoic Acid Derived Oxadiazoles</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Neeraj%20Kumar%20Fuloria">Neeraj Kumar Fuloria</a>, <a href="https://publications.waset.org/abstracts/search?q=Shivkanya%20Fuloria"> Shivkanya Fuloria</a>, <a href="https://publications.waset.org/abstracts/search?q=Amit%20%20Singh"> Amit Singh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> 2-Phenyl propionic acid and oxadiazoles possess antimicrobial potential. 2-Phenyl propane hydrazide (1), on cyclization with aromatic acids offered 2-aryl-5-(1-phenylethyl)-1,3,4-oxadiazole derivatives (1A-E). The PPA derived oxadiazoles were characterized by elemental analysis and spectral studies. The compounds were screened for antimicrobial potential. The compound 1D bearing strong electron withdrawing group showed maximum antimicrobial potential. Other compounds also displayed antimicrobial potential to a certain extent. The SAR of newer oxadiazoles indicated that substitution of strong electronegative group in the PPA derived oxadiazoles enhanced their antimicrobial potential. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antimicrobial" title="antimicrobial">antimicrobial</a>, <a href="https://publications.waset.org/abstracts/search?q=imines" title=" imines"> imines</a>, <a href="https://publications.waset.org/abstracts/search?q=oxadiazoles" title=" oxadiazoles"> oxadiazoles</a>, <a href="https://publications.waset.org/abstracts/search?q=PPA" title=" PPA"> PPA</a> </p> <a href="https://publications.waset.org/abstracts/67533/discerning-of-antimicrobial-potential-of-phenylpropanoic-acid-derived-oxadiazoles" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/67533.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">340</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">6878</span> Quinazolino-Thiazoles: Fused Pharmacophores as Antimicrobial Agents</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sanjay%20Bari">Sanjay Bari</a>, <a href="https://publications.waset.org/abstracts/search?q=Vinod%20Ugale"> Vinod Ugale</a>, <a href="https://publications.waset.org/abstracts/search?q=Kamalkishor%20Patil"> Kamalkishor Patil</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Over the past several years the emergence of micro-organisms resistant to nearly all the class of antimicrobial agents has become a serious public health concern. In the present research, we report the synthesis and in-vitro antimicrobial activity of a new series of novel quinazolino-thiadiazoles 3 (a-j). The synthesized compounds were confirmed by melting point, IR, 1H-NMR, 13C NMR and Mass spectroscopy. In general, the results of the in-vitro antibacterial activity are encouraging, as out of 10 compounds tested, Compound 3f and 3i with a 4-chloro phenyl and 4-nitro phenyl at C-2 of thiadiazolyl of quinazolino-thiadiazoles, displayed the excellent antibacterial and antifungal activities against all the tested microorganisms (Bacterial and Fungal strain) with MIC values of 62.5 μg/mL. It is worth to mention that the combination of two biologically active moieties quinazoline and thiadiazole profoundly influences the biological activity. While evaluating the antimicrobial activity, it was observed that compounds having electron withdrawing groups on thiazole has shown profound activity in comparison to compounds having electron releasing groups. As a result of this study, it can be concluded that halogen substituent on thiazole ring increases antimicrobial activity. Possible improvements in the antimicrobial activity can be further achieved by slight modifications in the substituent’s and/or additional structural activity investigations to have good antimicrobial activity. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antifungal" title="antifungal">antifungal</a>, <a href="https://publications.waset.org/abstracts/search?q=antimicrobial" title=" antimicrobial"> antimicrobial</a>, <a href="https://publications.waset.org/abstracts/search?q=quinazolino-thiazoles" title=" quinazolino-thiazoles"> quinazolino-thiazoles</a>, <a href="https://publications.waset.org/abstracts/search?q=synthesis" title=" synthesis "> synthesis </a> </p> <a href="https://publications.waset.org/abstracts/20080/quinazolino-thiazoles-fused-pharmacophores-as-antimicrobial-agents" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/20080.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">415</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">6877</span> Chemical Composition, Antioxidant and Antimicrobial Activities of the Essential Oils of Different Pinus Species from Kosovo</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fatbardh%C3%AB%20%20Kurti">Fatbardhë Kurti</a>, <a href="https://publications.waset.org/abstracts/search?q=Giangiacomo%20%20Beretta"> Giangiacomo Beretta</a>, <a href="https://publications.waset.org/abstracts/search?q=Behxhet%20%20Mustafa"> Behxhet Mustafa</a>, <a href="https://publications.waset.org/abstracts/search?q=Fabrizio%20Gelmini"> Fabrizio Gelmini</a>, <a href="https://publications.waset.org/abstracts/search?q=Avni%20Hajdari"> Avni Hajdari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Chemical profile, antioxidant and antimicrobial activity of total and fractionated essential oils (EOs) (F1 – hexane, F2 – hexane/diethyl ether, F3 – diethyl ether) derived from five Pinus species (Pinus heldreichii, P. peuce, P. mugo, Pinus nigra, P. sylvestris), were investigated. The hydrodistilled EOs and their chromatographic fractions (direct solid phase extraction, SPE) were analysed by GC-MS and 112 compounds separated and identified. The main constituents were α-pinene, β-pinene, D-limonene, β-caryophyllene, germacrene D, bornyl acetate and 3-carene. The antioxidant activities of total EOs were lower than those of the corresponding fractions, with F2 the strongest in all cases. EOs and fractions showed different degrees of antibacterial efficacy against different microbial pathogens (moderately strong antimicrobial activity against C. albicans and C. krusei ,while low or no activity against E. faecalis and E. coli strains). The detected inhibition zones and MICs for the EOs and fractions were in the range of 14 -35 mm and 0.125 - 1% (v/v), respectively. The components responsible for the antioxidant and antimicrobial activity were oxygenated monoterpenes and sesquiterpenes recovered in the polar EO fractions. These activities seem to be regulated by reciprocal interactions among the different subclasses of phytochemical species present in the EOs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antagonism" title="antagonism">antagonism</a>, <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=antibacterial%20activity" title=" antibacterial activity"> antibacterial activity</a>, <a href="https://publications.waset.org/abstracts/search?q=essential%20oil" title=" essential oil"> essential oil</a>, <a href="https://publications.waset.org/abstracts/search?q=fractions" title=" fractions"> fractions</a>, <a href="https://publications.waset.org/abstracts/search?q=GC-MS" title=" GC-MS"> GC-MS</a>, <a href="https://publications.waset.org/abstracts/search?q=pinus" title=" pinus"> pinus</a> </p> <a href="https://publications.waset.org/abstracts/79577/chemical-composition-antioxidant-and-antimicrobial-activities-of-the-essential-oils-of-different-pinus-species-from-kosovo" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/79577.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">232</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">6876</span> Chemical Compositon and Antimicrobial Activity of Daucus aristidis Coss. Essential Oil in Pre-Flowering Stage from Algeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Lamamra">M. Lamamra</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Laouer"> H. Laouer</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Adjaoud"> A. Adjaoud</a>, <a href="https://publications.waset.org/abstracts/search?q=Sahli%20Farida"> Sahli Farida</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Essential oils can have significant antimicrobial activities and can successfully replace antibiotics that show their ineffectiveness against resistant germs. The chemical composition of the essential oil obtained by hydrodistillation from the aerial part of Daucus aristidis (Apiaceae) at the pre-flowering stage was investigated for the first time, by GC and GC-MS and evaluated for in vitro antimicrobial activity by the disk diffusion method. The Main components of D. aristidis oil were α-pinene (20.13%), cedrol (20.11%), and E- asarone (18.53%). The oil exhibited an antibacterial activity against almost strains tested except for Klebsiella pneumoniae ATCC 700603 K6 and Enterococcus faecalis ATCC 49452, the oil of D. aristidis had no activity against all fungi tested. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=%CE%B1-pinene" title="α-pinene">α-pinene</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=Daucus%20aridtidis" title=" Daucus aridtidis"> Daucus aridtidis</a>, <a href="https://publications.waset.org/abstracts/search?q=essential%20oil" title=" essential oil "> essential oil </a> </p> <a href="https://publications.waset.org/abstracts/32988/chemical-compositon-and-antimicrobial-activity-of-daucus-aristidis-coss-essential-oil-in-pre-flowering-stage-from-algeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/32988.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">6875</span> Chemical Composition and Antimicrobial Activity of the Essential Oil of Thymus lanceolatus Desf. an Endemic Thyme from Algeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Nouasri">Ahmed Nouasri</a>, <a href="https://publications.waset.org/abstracts/search?q=Tahar%20Dob"> Tahar Dob</a>, <a href="https://publications.waset.org/abstracts/search?q=Toumi%20Mohamed"> Toumi Mohamed</a>, <a href="https://publications.waset.org/abstracts/search?q=Dahmane%20Dahmane"> Dahmane Dahmane</a>, <a href="https://publications.waset.org/abstracts/search?q=Soumioa%20Krimat"> Soumioa Krimat</a>, <a href="https://publications.waset.org/abstracts/search?q=Lynda%20Lamari"> Lynda Lamari</a>, <a href="https://publications.waset.org/abstracts/search?q=Chabane%20Chelghom"> Chabane Chelghom</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this study is to investigate the chemical composition for the first time, and antimicrobial activities of essential oil (EO) of Thymus lanceolatus Desf., an endemic thyme from Tiaret province of Algeria. The chemical composition of hydrodistilled essential oil from flowering aerial parts has been analyzed by GC and GC/MS techniques, the antimicrobial activity was realised by agar disc diffusion method and MIC was determined in solid medium by direct contact. Essential oil of T. lanceolataus has been yielded of 2.336 (w/w) based on dry weight, the analyses cited above, led to the identiﬁcation of 29 components, which accounted for 97.34% of the total oil. Oxygenated monoterpenes was the main fraction (88.31%) dominated by thymol (80.2%) as major component of this oil, followed by carvacrol (6.25%). The oil was found effective against all tested strains especially fungus, except Pseudomonas aeruginosa were low activity observed, in addition Gram (+) bacteria found to be more sensitive to the EO than Gram (-) bacteria. This activity was ranging from12±2.65mm to 60.00±0.00mm Ø, with the lowest MIC value of under 0.06mg/ml to 12.53mg/ml. This results provided the evidence that the studied plant might indeed be potential sources of natural antimicrobial agents <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Thymus%20lanceolatus%20Desf." title="Thymus lanceolatus Desf.">Thymus lanceolatus Desf.</a>, <a href="https://publications.waset.org/abstracts/search?q=essential%20oil" title=" essential oil"> essential oil</a>, <a href="https://publications.waset.org/abstracts/search?q=chemical%20composition" title=" chemical composition"> chemical composition</a>, <a href="https://publications.waset.org/abstracts/search?q=antimicrobial%20activities" title=" antimicrobial activities"> antimicrobial activities</a> </p> <a href="https://publications.waset.org/abstracts/18267/chemical-composition-and-antimicrobial-activity-of-the-essential-oil-of-thymus-lanceolatus-desf-an-endemic-thyme-from-algeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18267.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">476</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">6874</span> The Possible Antioxidant, Hypoglycemic Effect and Antimicrobial Potential of Mangifera Indicia Leaves Aqueous Extract in Albino Rats</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sahar%20B.%20Ahmed">Sahar B. Ahmed</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Mostafa%20Said"> M. Mostafa Said</a>, <a href="https://publications.waset.org/abstracts/search?q=Mona%20I.%20Mohamed"> Mona I. Mohamed</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Streptozotocin (STZ) caused a significant increase in blood glucose and malondialdehyde (MDA) levels in serum accompanied by a significant decrease in blood reduced glutathione (GSH) and superoxide dismutase (SOD) activities. Also, ALT, AST, albumin and urea were markedly affected by STZ injection. The oral administration of Mango leaves extract (MLE) one hour before STZ injection was significantly improved the blood glucose level, ALT, AST activities, albumin and urea that associated with the regulation of MDA, GSH and SOD levels. The antimicrobial activity of MLE showed a significant inhibitory activity against multidrug resistant gram positive and gram negative bacteria isolated from patients in Egyptian hospitals especially Salmonella typhi and typhimurium. In conclusion, results revealed the antioxidant, hypoglycemic effect and antimicrobial potentials of MLE under investigation. Further studies will be needed to investigate the prolonged period of MLE administration and its possible side effects. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aqueous%20extract%20of%20mango%20leaves" title="aqueous extract of mango leaves">aqueous extract of mango leaves</a>, <a href="https://publications.waset.org/abstracts/search?q=STZ" title=" STZ"> STZ</a>, <a href="https://publications.waset.org/abstracts/search?q=antioxidant" title=" antioxidant"> antioxidant</a>, <a href="https://publications.waset.org/abstracts/search?q=hypoglycemic%20effect" title=" hypoglycemic effect"> hypoglycemic effect</a>, <a href="https://publications.waset.org/abstracts/search?q=antimicrobial%20potentials." title=" antimicrobial potentials."> antimicrobial potentials.</a> </p> <a href="https://publications.waset.org/abstracts/8510/the-possible-antioxidant-hypoglycemic-effect-and-antimicrobial-potential-of-mangifera-indicia-leaves-aqueous-extract-in-albino-rats" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/8510.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">453</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">6873</span> In-silico Antimicrobial Activity of Bioactive Compounds of Ricinus communis against DNA Gyrase of Staphylococcus aureus as Molecular Target</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20Rajeswari">S. Rajeswari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Medicinal Plant extracts and their bioactive compounds have been used for antimicrobial activities and have significant remedial properties. In the recent years, a wide range of investigations have been carried out throughout the world to confirm antimicrobial properties of different medicinally important plants. A number of plants showed efficient antimicrobial activities, which were comparable to that of synthetic standard drugs or antimicrobial agents. The large family Euphorbiaceae contains nearly about 300 genera and 7,500 speciesand one among is Ricinus communis or castor plant which has high traditional and medicinal value for disease free healthy life. Traditionally the plant is used as laxative, purgative, fertilizer and fungicide etc. whereas the plant possess beneficial effects such as anti-oxidant, antihistamine, antinociceptive, antiasthmatic, antiulcer, immunomodulatory anti diabetic, hepatoprotective, anti inflammatory, antimicrobial, and many other medicinal properties. This activity of the plant possess due to the important phytochemical constituents like flavonoids, saponins, glycosides, alkaloids and steroids. The presents study includes the phytochemical properties of Ricinus communis and to prediction of the anti-microbial activity of Ricinus communis using DNA gyrase of Staphylococcus aureus as molecular target. Docking results of varies chemicals compounds of Ricinus communis against DNA gyrase of Staphylococcus aureus by maestro 9.8 of Schrodinger show that the phytochemicals are effective against the target protein DNA gyrase. our studies suggest that the phytochemical from Ricinus communis such has INDICAN (G.Score 4.98) and SUPLOPIN-2(G.Score 5.74) can be used as lead molecule against Staphylococcus infections. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=euphorbiaceae" title="euphorbiaceae">euphorbiaceae</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=Ricinus%20communis" title=" Ricinus communis"> Ricinus communis</a>, <a href="https://publications.waset.org/abstracts/search?q=Staphylococcus%20aureus" title=" Staphylococcus aureus"> Staphylococcus aureus</a> </p> <a href="https://publications.waset.org/abstracts/19996/in-silico-antimicrobial-activity-of-bioactive-compounds-of-ricinus-communis-against-dna-gyrase-of-staphylococcus-aureus-as-molecular-target" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/19996.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">479</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">6872</span> Harnessing the Power of Mixed Ligand Complexes: Enhancing Antimicrobial Activities with Thiosemicarbazones</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sakshi%20Gupta">Sakshi Gupta</a>, <a href="https://publications.waset.org/abstracts/search?q=Seema%20Joshi"> Seema Joshi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Thiosemicarbazones (TSCs) have garnered significant attention in coordination chemistry due to their versatile coordination modes and pharmacological properties. Mixed ligand complexes of TSCs represent a promising area of research, offering enhanced antimicrobial activities compared to their parent compounds. This review provides an overview of the synthesis, characterization, and antimicrobial properties of mixed ligand complexes incorporating thiosemicarbazones. The synthesis of mixed ligand complexes typically involves the reaction of a metal salt with TSC ligands and additional ligands, such as nitrogen- or oxygen-based ligands. Various transition metals, including copper, nickel, and cobalt, have been employed to form mixed ligand complexes with TSCs. Characterization techniques such as spectroscopy, X-ray crystallography, and elemental analysis are commonly utilized to confirm the structures of these complexes. One of the key advantages of mixed ligand complexes is their enhanced antimicrobial activity compared to pure TSC compounds. The synergistic effect between the TSC ligands and additional ligands contributes to increased efficacy, possibly through improved metal-ligand interactions or enhanced membrane permeability. Furthermore, mixed ligand complexes offer the potential for selective targeting of microbial species while minimizing toxicity to mammalian cells. This selectivity arises from the specific interactions between the metal center, TSC ligands, and biological targets within microbial cells. Such targeted antimicrobial activity is crucial for developing effective treatments with minimal side effects. Moreover, the versatility of mixed ligand complexes allows for the design of tailored antimicrobial agents with optimized properties. By varying the metal ion, TSC ligands, and additional ligands, researchers can fine-tune the physicochemical properties and biological activities of these complexes. This tunability opens avenues for the development of novel antimicrobial agents with improved efficacy and reduced resistance. In conclusion, mixed ligand complexes of thiosemicarbazones represent a promising class of compounds with potent antimicrobial activities. Further research in this field holds great potential for the development of novel therapeutic agents to combat microbial infections effectively. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=metal%20complex" title="metal complex">metal complex</a>, <a href="https://publications.waset.org/abstracts/search?q=thiosemicarbazones" title=" thiosemicarbazones"> thiosemicarbazones</a>, <a href="https://publications.waset.org/abstracts/search?q=mixed%20ligand" title=" mixed ligand"> mixed ligand</a>, <a href="https://publications.waset.org/abstracts/search?q=selective%20targeting" title=" selective targeting"> selective targeting</a>, <a href="https://publications.waset.org/abstracts/search?q=antimicrobial%20activity" title=" antimicrobial activity"> antimicrobial activity</a> </p> <a href="https://publications.waset.org/abstracts/182694/harnessing-the-power-of-mixed-ligand-complexes-enhancing-antimicrobial-activities-with-thiosemicarbazones" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/182694.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">60</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">6871</span> Phenolic Analysis, Antioxidant Capacity and Antimicrobial Activity of Origanum glandulosum Desf Extract from Algeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdelkader%20Basli">Abdelkader Basli</a>, <a href="https://publications.waset.org/abstracts/search?q=Jean-Claude%20Delaunay"> Jean-Claude Delaunay</a>, <a href="https://publications.waset.org/abstracts/search?q=Eric%20Pedrot"> Eric Pedrot</a>, <a href="https://publications.waset.org/abstracts/search?q=Jean-Michel%20M%C3%A9rillon"> Jean-Michel Mérillon</a>, <a href="https://publications.waset.org/abstracts/search?q=Jean-Pierre%20Monti"> Jean-Pierre Monti</a>, <a href="https://publications.waset.org/abstracts/search?q=Khodir%20Madani"> Khodir Madani</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Chibane"> Mohamed Chibane</a>, <a href="https://publications.waset.org/abstracts/search?q=Tristan%20Richard"> Tristan Richard</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The antioxidant and antimicrobial activities of Origanum glandulosum collected in Algeria have been studied. Extract was prepared from aerial part of endemic Algerian oregano. The produced extract has been characterized in terms of total phenols (using Folin method), total flavonoid, antioxidant activities (using the DPPH radical scavenging method and ORAC assay) and microbial activity against four bacteria: Streptococcus aureus, Bacillus subtilis, Escherichia coli, Klebsiella pneumoniae one yeast: Candida albicans and one fungi: Aspergillus niger. The results pointed the antioxidant activities of the extract of O. glandulosum and antimicrobial activities against all bacteria and C. Candida, but no effect on A. niger. High performance liquid chromatography combined with mass spectrometry (LC-MS) and nuclear magnetic resonance (LC-NMR) were used to separate and identify the major compounds present in the oregano extract. Rosmarinic acid, globoidnan A and B, lithospermic acid B and three flavonoids were identified. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=origanum%20glandulosum" title="origanum glandulosum">origanum glandulosum</a>, <a href="https://publications.waset.org/abstracts/search?q=antioxidant" title=" antioxidant"> antioxidant</a>, <a href="https://publications.waset.org/abstracts/search?q=microbial%20activity" title=" microbial activity"> microbial activity</a>, <a href="https://publications.waset.org/abstracts/search?q=polyphenol" title=" polyphenol"> polyphenol</a>, <a href="https://publications.waset.org/abstracts/search?q=LC-MS" title=" LC-MS"> LC-MS</a>, <a href="https://publications.waset.org/abstracts/search?q=LC-NMR" title=" LC-NMR"> LC-NMR</a> </p> <a href="https://publications.waset.org/abstracts/21987/phenolic-analysis-antioxidant-capacity-and-antimicrobial-activity-of-origanum-glandulosum-desf-extract-from-algeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/21987.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">645</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">6870</span> Synthesis and Antimicrobial Activity of Tolyloxy Derived Oxadiazoles</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shivkanya%20Fuloria">Shivkanya Fuloria</a>, <a href="https://publications.waset.org/abstracts/search?q=Neeraj%20Kumar%20Fuloria"> Neeraj Kumar Fuloria</a>, <a href="https://publications.waset.org/abstracts/search?q=Sokinder%20Kumar"> Sokinder Kumar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> m-Cresol and oxadiazoles are the potent antimicrobial moieties. 2-(m-Tolyloxy)acetohydrazide (1) on cyclization with aromatic acids yielded 2-(aryl)-5-(m-tolyloxymethyl)-1,3,4-oxadiazole (1A-E). The structures of newer oxadiazoles were confirmed by elemental and spectral analysis. The newer compounds were evaluated for their antimicrobial potential. The compound 1E containing strong electron withdrawing group showed maximum antimicrobial potential. Other compounds also displayed antimicrobial potential to certain extent. The SAR of newer oxadiazoles indicated that substitution of strong electronegative group in the tolyloxy derived oxadiazoles enhanced their antimicrobial potential. <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=cresol" title=" cresol"> cresol</a>, <a href="https://publications.waset.org/abstracts/search?q=hydrazide" title=" hydrazide"> hydrazide</a>, <a href="https://publications.waset.org/abstracts/search?q=oxadiazoles" title=" oxadiazoles"> oxadiazoles</a> </p> <a href="https://publications.waset.org/abstracts/67547/synthesis-and-antimicrobial-activity-of-tolyloxy-derived-oxadiazoles" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/67547.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">458</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">6869</span> Antimicrobial, Antioxidant Activities and Phytochemical Screening of Five Species from Acacia Used in Sudanese Ethnomedicine</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hajir%20Abdllha">Hajir Abdllha</a>, <a href="https://publications.waset.org/abstracts/search?q=Alaa%20Mohamed"> Alaa Mohamed</a>, <a href="https://publications.waset.org/abstracts/search?q=Khansa%20Almoniem"> Khansa Almoniem</a>, <a href="https://publications.waset.org/abstracts/search?q=Naga%20Adam"> Naga Adam</a>, <a href="https://publications.waset.org/abstracts/search?q=Wdeea%20Alhaadi"> Wdeea Alhaadi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Elshikh"> Ahmed Elshikh</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Ali"> Ahmed Ali</a>, <a href="https://publications.waset.org/abstracts/search?q=Ismail%20Makuar"> Ismail Makuar</a>, <a href="https://publications.waset.org/abstracts/search?q=Anas%20Elnazeer"> Anas Elnazeer</a>, <a href="https://publications.waset.org/abstracts/search?q=Nagat%20Elrofaei"> Nagat Elrofaei</a>, <a href="https://publications.waset.org/abstracts/search?q=Samir%20Abdoelftah"> Samir Abdoelftah</a>, <a href="https://publications.waset.org/abstracts/search?q=Monier%20Hemidan"> Monier Hemidan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present study was designed to investigate antimicrobial, and antioxidant activities of five species from Acacia (Acacia albidia, Acacia mellifera, Acacia nubica, Acacia seyal var. seyal and Acacia tortilis). Phytochemical study was piloted to detect the bioactive compounds, which have been responsible from the biological activities. The ethanol, chloroform and acetone plant extracts were seasoned against standard bacteria strains of gram +ve bacteria Staphylococcus aureus (ATCC 25923), Gram -ve bacteria Pseudomonas aeruginosa (ATCC 27853) and standard fungi Candida albicans (ATCC 90028), using cup-plate method. The antioxidant activities were conducted via DPPH radical scavenging and metal chelating assays. Prospective activity against the five species was observed in acetone extract. Ethanol extract showed highest activities against Staphylococcus aureus, and Candida albicans. Potential antioxidant activity was presented by ethanol. Cholorophorm and acetone extracts via DPPH, the radical scavenging activities were found to be 91±0.03, 88±0.01 and 85±0.04 respectively. The results of phytochemical screening showed that all extracts of studied plant contain flavonoids, saponins, terpenoids, steroids, alkaloids, phenols and tannins. This study gives rise to antioxidant, antimicrobial properties of studied plant, and showed interesting correlation with the phytochemical constituents and biological activities. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antimicrobial" title="antimicrobial">antimicrobial</a>, <a href="https://publications.waset.org/abstracts/search?q=antioxidant" title=" antioxidant"> antioxidant</a>, <a href="https://publications.waset.org/abstracts/search?q=Acacia%20albidia" title=" Acacia albidia"> Acacia albidia</a>, <a href="https://publications.waset.org/abstracts/search?q=Acacia%20mellifera" title=" Acacia mellifera"> Acacia mellifera</a>, <a href="https://publications.waset.org/abstracts/search?q=Acacia%20nubica" title=" Acacia nubica"> Acacia nubica</a>, <a href="https://publications.waset.org/abstracts/search?q=Acacia%20seyal%20var.%20seyal" title=" Acacia seyal var. seyal"> Acacia seyal var. seyal</a>, <a href="https://publications.waset.org/abstracts/search?q=Acacia%20tortilis" title=" Acacia tortilis"> Acacia tortilis</a> </p> <a href="https://publications.waset.org/abstracts/43629/antimicrobial-antioxidant-activities-and-phytochemical-screening-of-five-species-from-acacia-used-in-sudanese-ethnomedicine" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43629.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">390</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">6868</span> The Investigation of the Antimicrobial Activities of Piper betle L.</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Disaya%20Jaroensattayatham">Disaya Jaroensattayatham</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nowadays, infectious diseases are prevalent and severe health problems as they render the increment of casualty, illness, and global economic recession. Along with the emergence of antimicrobial resistance, the potency of typically used antibiotics can be affected to a considerable degree. As a result, unorthodox antibiotics have become an urgent issue in the pharmaceutical field. Piper betle L., known as betle leaf, has been used for many purposes, such as a traditional home remedy, and has shown its ability in inhibiting bacteria as well as fungus. Thus, in this study, the investigation of antimicrobial activities of the Piper betle L. extracts was carried out using the Agar disk-diffusion method and Broth microdilution, aiming to evaluate and determine its efficacy to inhibit bacterial and fungal growth of Staphylococcus aureus, Salmonella typhi, and Candida albicans. In the agar disk-diffusion test, the extracts of Piper betle L. gave the maximum zone of inhibition of 15.1 mm (S. aureus), 7.7 mm (S. typhi), and 11.7 mm (C. albicans), while its MIC values were 1000 µg/ml in S. aureus and greater than 2000 µg/ml in S. typhi and C. albicans. According to the results, the Piper betle L. obtains an antimicrobial activity and shows a higher effect towards gram-positive bacteria than gram-negative bacteria. To determine the mechanism behind its ability, more research is needed to be performed in the future. <p class="card-text"><strong>Keywords:</strong> <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=Candida%20albicans" title=" Candida albicans"> Candida albicans</a>, <a href="https://publications.waset.org/abstracts/search?q=Piper%20betle%20L." title=" Piper betle L."> Piper betle L.</a>, <a href="https://publications.waset.org/abstracts/search?q=Salmonella%20typhi" title=" Salmonella typhi"> Salmonella typhi</a>, <a href="https://publications.waset.org/abstracts/search?q=Staphylococcus%20aureus" title=" Staphylococcus aureus"> Staphylococcus aureus</a> </p> <a href="https://publications.waset.org/abstracts/140896/the-investigation-of-the-antimicrobial-activities-of-piper-betle-l" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/140896.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">178</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">6867</span> Antimicrobial, Antioxidant Activities, and Phytochemical Screening of Five Species from Acacia Used in Sudanese Ethnomedicine</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hajir">Hajir</a>, <a href="https://publications.waset.org/abstracts/search?q=B.%20Abdllha"> B. Abdllha</a>, <a href="https://publications.waset.org/abstracts/search?q="> </a>, <a href="https://publications.waset.org/abstracts/search?q=Alaa"> Alaa</a>, <a href="https://publications.waset.org/abstracts/search?q=I.%20Mohamed"> I. Mohamed</a>, <a href="https://publications.waset.org/abstracts/search?q=Khansa"> Khansa</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Almoniem"> A. Almoniem</a>, <a href="https://publications.waset.org/abstracts/search?q=Naga"> Naga</a>, <a href="https://publications.waset.org/abstracts/search?q=I.%20Adam"> I. Adam</a>, <a href="https://publications.waset.org/abstracts/search?q=Wdeea"> Wdeea</a>, <a href="https://publications.waset.org/abstracts/search?q=Alhaadi"> Alhaadi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed"> Ahmed</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Elshikh"> A. Elshikh</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed"> Ahmed</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Ali"> J. Ali</a>, <a href="https://publications.waset.org/abstracts/search?q=Ismail"> Ismail</a>, <a href="https://publications.waset.org/abstracts/search?q=G.%20Makuar"> G. Makuar</a>, <a href="https://publications.waset.org/abstracts/search?q=Anas"> Anas</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Elnazeer"> M. Elnazeer</a>, <a href="https://publications.waset.org/abstracts/search?q=Nagat"> Nagat</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Elrofaei"> A. Elrofaei</a>, <a href="https://publications.waset.org/abstracts/search?q=Samir"> Samir</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20Abdoelftah"> F. Abdoelftah</a>, <a href="https://publications.waset.org/abstracts/search?q=Monier"> Monier</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Hemidan"> N. Hemidan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present study was designed to investigate antimicrobial, and antioxidant activities of five species from Acacia (Acacia albidia, Acacia mellifera, Acacia nubica, Acacia seyal var.seyal and Acacia tortilis). Phytochemical study was piloted to detect the bioactive compounds, which have been responsible from the biological activities. The ethanol, chloroform and acetone plant extracts were seasoned against standard bacteria strains of gram +ve bacteria Staphylococcus aureus (ATCC 25923) ,Gram -ve bacteria Pseudomonas aeruginosa (ATCC 27853) and standard fungi Candida albicans (ATCC 90028), using cup-plate method. The antioxidant activities were conducted via DPPH radical scavenging and metal chelating assays. Prospective activity against the five species was observed in acetone extract. Ethanol extract showed highest activities against Staphylococcus aureus, and Candida albicans. Potential antioxidant activity was presented by ethanol. Cholorophorm and acetone extracts via DPPH, the radical scavenging activities were found to be 91±0.03, 88±0.01 and 85±0.04 respectively. The results of phytochemical screening showed that all extracts of studied plant contain flavonoids, saponins, terpenoids, steroids, alkaloids, phenols and tannins. This study give rise to antioxidant, antimicrobial properties of studied plant, and showed interesting correlation with the phytochemical constituents and biological activities. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antimicrobial" title="antimicrobial">antimicrobial</a>, <a href="https://publications.waset.org/abstracts/search?q=Antioxidant" title=" Antioxidant"> Antioxidant</a>, <a href="https://publications.waset.org/abstracts/search?q=Acacia%20albidia" title=" Acacia albidia"> Acacia albidia</a>, <a href="https://publications.waset.org/abstracts/search?q=Acacia%20mellifera" title=" Acacia mellifera"> Acacia mellifera</a>, <a href="https://publications.waset.org/abstracts/search?q=acacia%20nubica" title=" acacia nubica"> acacia nubica</a>, <a href="https://publications.waset.org/abstracts/search?q=acacia%20seyal%20var.seyal" title=" acacia seyal var.seyal"> acacia seyal var.seyal</a>, <a href="https://publications.waset.org/abstracts/search?q=Acacia%20tortilis" title=" Acacia tortilis"> Acacia tortilis</a> </p> <a href="https://publications.waset.org/abstracts/33404/antimicrobial-antioxidant-activities-and-phytochemical-screening-of-five-species-from-acacia-used-in-sudanese-ethnomedicine" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/33404.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">553</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">6866</span> Investigations on the Cytotoxicity and Antimicrobial Activities of Terezine E and 14-Hydroxyterezine D</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mariam%20Mojally">Mariam Mojally</a>, <a href="https://publications.waset.org/abstracts/search?q=Randa%20Abdou"> Randa Abdou</a>, <a href="https://publications.waset.org/abstracts/search?q=Wisal%20Bokhari"> Wisal Bokhari</a>, <a href="https://publications.waset.org/abstracts/search?q=Sultan%20Sab"> Sultan Sab</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammed%20Dawoud"> Mohammed Dawoud</a>, <a href="https://publications.waset.org/abstracts/search?q=Amjad%20Albohy"> Amjad Albohy</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Secondary metabolites produced by endophytes are an excellent source of biologically active compounds. In our current study, we evaluated terezine E and 14-hydroxyterezine D for binding to the active site of histone deacetylase (PDB ID: 4CBT) and matrix metalloproteinase 9 (PDB ID: 4H3X) by molecular docking using AutoDock Vina software after having tested their cytotoxic activities on three cell lines (human ductal breast epithelial tumor cells (T47D)-HCC1937), human hepatocarcinoma cell line (HepG2)-HB8065), and human colorectal carcinoma cells (HCT-116)-TCP1006, purchased from ATCC, USA)). Additionally, their antimicrobial activities were investigated, and their minimum inhibitory concentration (MIC) values were determined against P. notatum and S. aureus by the broth microdilution method. Higher cytotoxicity was observed for terezine E against all tested cell lines compared to 14-hydroxyterezine D. Molecular docking results supported the high cytotoxicity of terezine E and showed higher binding affinity with 4CBT with an energy score of 9 kcal/mol. Terezine E showed higher antibacterial and antifungal activities than 14-hydroxyrerezine D: MIC values were 15.45 and 21.73 mg/mL against S. aureus and 8.61 and 11.54 mg/mL against P. notatum, respectively <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Terezine%20E" title="Terezine E">Terezine E</a>, <a href="https://publications.waset.org/abstracts/search?q=14-Hydroxyterezine%20D" title=" 14-Hydroxyterezine D"> 14-Hydroxyterezine D</a>, <a href="https://publications.waset.org/abstracts/search?q=cytotoxicity" title=" cytotoxicity"> cytotoxicity</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=molecular%20docking" title=" molecular docking"> molecular docking</a> </p> <a href="https://publications.waset.org/abstracts/179873/investigations-on-the-cytotoxicity-and-antimicrobial-activities-of-terezine-e-and-14-hydroxyterezine-d" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/179873.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">73</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">6865</span> Determination of Antimicrobial Effect and Essential Oil Composition Salvia verticillata L. Subsp. amasiaca</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tanju%20Teker">Tanju Teker</a>, <a href="https://publications.waset.org/abstracts/search?q=Yener%20Tekeli%CC%87"> Yener Tekeli̇</a>, <a href="https://publications.waset.org/abstracts/search?q=Esra%20Karpuz"> Esra Karpuz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Salvia species are known as medicinal plant and often used in public. The antimicrobial effects and essential oil composition of Salvia verticillata L. subsp. amasiaca were determined. The antimicrobial activity is determined by using disk diffusion method against two Gram-positive bacteria, two Gram-negative bacteria and one kind of yeast and essential oil composition was determined by GC - MS. As a result of antimicrobial analysis while sample has shown very strong antimicrobial activity against Staphylococcus aureus, moderately effective against Pseudomonas aeruginosa and low effective against Enterococcus faecalis, it has not shown antimicrobial activity against Escherichia coli and C. albicans. Trans-caryophyllene (% 35.07), germacrene-d (% 10.98) and caryopyllene oxide (% 5.81) are the main components of essential oil composition. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=salvia" title="salvia">salvia</a>, <a href="https://publications.waset.org/abstracts/search?q=medicinal%20plant" title=" medicinal plant"> medicinal plant</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=essential%20oil" title=" essential oil"> essential oil</a> </p> <a href="https://publications.waset.org/abstracts/35132/determination-of-antimicrobial-effect-and-essential-oil-composition-salvia-verticillata-l-subsp-amasiaca" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/35132.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">458</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">6864</span> Comparison of Phenolic and Urushiol Contents of Different Parts of Rhus verniciflua and Their Antimicrobial Activity</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jae%20Young%20Jang">Jae Young Jang</a>, <a href="https://publications.waset.org/abstracts/search?q=Jong%20Hoon%20Ahn"> Jong Hoon Ahn</a>, <a href="https://publications.waset.org/abstracts/search?q=Jae-Woong%20Lim"> Jae-Woong Lim</a>, <a href="https://publications.waset.org/abstracts/search?q=So%20Young%20Kang"> So Young Kang</a>, <a href="https://publications.waset.org/abstracts/search?q=Mi%20Kyeong%20Lee"> Mi Kyeong Lee </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Rhus verniciflua is commonly known as a lacquer tree in Korea. Stem barks of R. verniciflua have been used as an immunostimulator in traditional medicine. It contains phenolic compounds and is known for diverse biological activities such as antioxidant and antimicrobial activity. However, it also causes allergic dermatitis due to urushiols derivatives. For the development of active natural resources with less toxicity, the content of phenolic compounds and urushiols of different parts of R. verniciflua such as stem barks, lignum and leaves were quantitated by colorimetric assay and HPLC analysis. The urushiols content were the highest in stem barks, and followed by leaves. The lignum contained trace amount of urushiols. The phenolic contents, however, were the most abundant in lignum, and followed by leaves and stem barks. These results clear showed that the content of urushiols and phenolic differs depending on the parts of R. verniciflua. Antimicrobial activity of different parts of R. verniciflua against fish pathogenic bacteria was also investigated using Edwardsiella tarda. Lignum of R. verniciflua was the most effective in antimicrobial activity against E. tarda and phenolic constituents are suggested to be active constituents for activity. Taken together, phenolic compounds are responsible for antimicrobial activity of R. verniciflua. The lignum of R. verniciflua contains high content of phenolic compounds with less urushiols, which suggests efficient antimicrobial activity with less toxicity. Therefore, lignum of R. verniciflua are suggested as good sources for antimicrobial activity against fish bacterial diseases. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=different%20parts" title="different parts">different parts</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=Rhus%20verniciflua" title=" Rhus verniciflua"> Rhus verniciflua</a>, <a href="https://publications.waset.org/abstracts/search?q=urushiols" title=" urushiols "> urushiols </a> </p> <a href="https://publications.waset.org/abstracts/56183/comparison-of-phenolic-and-urushiol-contents-of-different-parts-of-rhus-verniciflua-and-their-antimicrobial-activity" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/56183.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">6863</span> Synergistic Interactions between Secondary Metabolites in Rosmarinus officinalis L.</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ruta%20Mickiene">Ruta Mickiene</a>, <a href="https://publications.waset.org/abstracts/search?q=Audrius%20Maruska"> Audrius Maruska</a>, <a href="https://publications.waset.org/abstracts/search?q=Ona%20Ragazinskiene"> Ona Ragazinskiene</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This research focuses on phytochemistry and antimicrobial activities of compounds isolated and identified from species Rosmarinus officinalis L. This is a study of synergistic effects between phenolic fraction and essential oils. The antimicrobial activity of extracts from Rosmarinus officinalis L. originated from the sector of medicinal plants, Kaunas botanical garden of Vytautas Magnus University Lithuania, were tested by the method of series dilutions, against different bacteria species. Investigated microorganisms were Escherichia coli, Proteus vulgaris and Staphylococcus aureus with and without antibiotic resistances originating from livestock. The antimicrobial activities of extracts were described by determination of the Minimal Inhibitory Concentration (MIC). Preliminary results show that the MIC range between 9.0 % and 12.0 % for the different Rosmarinus officinalis L. extracts and bacterial species. The total amounts of phenolic compounds and total amounts of flavonoids were tested in the methanolic extracts of the plants. The chemical composition for essential oils analysed by GC/MS. Predominant components were alpha pinene (20%), camphor (10%), 1.8‐cineole (5%), phellandrene (6%), camphene (5%), beta pinene (4%), bornylacetate (4%), limonene (2%), borneol (3%), alpha terpineol (3%), cymene (2%), caryophyllene (15%), verbenone (7%), alpha terpinene (3%), eucalyptol (11%). <p class="card-text"><strong>Keywords:</strong> <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=essential%20oil" title=" essential oil"> essential oil</a>, <a href="https://publications.waset.org/abstracts/search?q=Rosmarinus%20officinalis%20L." title=" Rosmarinus officinalis L."> Rosmarinus officinalis L.</a>, <a href="https://publications.waset.org/abstracts/search?q=escherichia%20coli" title=" escherichia coli"> escherichia coli</a> </p> <a href="https://publications.waset.org/abstracts/51339/synergistic-interactions-between-secondary-metabolites-in-rosmarinus-officinalis-l" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/51339.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">384</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">6862</span> Evaluation of the Biological Activities of Chrysin as an Important Perspective in the Treatment of Infectious and Cancer Diseases</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sajjad%20Jafari">Sajjad Jafari</a>, <a href="https://publications.waset.org/abstracts/search?q=Reza%20Akbari"> Reza Akbari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background and Aim: Chrysin, a flavonoid compound found in medicinal plants, honey, and propolis, has potential biological activities that make it an important perspective in the treatment of infectious and cancer diseases. The aim of this review study is to evaluate the biological activities of chrysin in the treatment of infectious and cancer diseases. Material and Methods: The present study is a review study that searched reputable scientific databases such as PubMed, Google Scholar, Scopus, and Web of Science from 2000 to 2023 using keywords such as antimicrobial, antifungal, chrysin, anticancer, antioxidants, and infectious diseases. The researchers examined 25 articles to determine the biological activities of chrysin. Results: Chrysin has high inhibitory or lethal activities on gram-positive and gram-negative bacteria, including Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, Bacillus subtilis, and Enterococcus faeces. It also has anti-biofilm effects and antifungal effects on strains such as Aspergillus niger and Candida albicans. Chrysin also has anticancer effects on various cancers, including colorectal cancer, pancreatic cancer, breast cancer, and MCF-7 cancer, which have been confirmed in vitro and in vivo. Conclusion: Chrysin has the potential as an important therapeutic option in the treatment of infectious and cancer diseases. Its high antimicrobial and anticancer activities, combined with its low toxicity in nanoparticle form, make it a promising candidate for further clinical trials. The production of anti-microbial and anti-cancer drugs from natural substances, such as chrysin, is a valuable contribution to the field of medicine. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chrysin" title="chrysin">chrysin</a>, <a href="https://publications.waset.org/abstracts/search?q=antimicrobial" title=" antimicrobial"> antimicrobial</a>, <a href="https://publications.waset.org/abstracts/search?q=anticancer" title=" anticancer"> anticancer</a>, <a href="https://publications.waset.org/abstracts/search?q=infectious%20diseases" title=" infectious diseases"> infectious diseases</a> </p> <a href="https://publications.waset.org/abstracts/167935/evaluation-of-the-biological-activities-of-chrysin-as-an-important-perspective-in-the-treatment-of-infectious-and-cancer-diseases" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/167935.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">6861</span> Cotton Treated with Spent Coffee Extract for Realizing Functional Textiles</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kyung%20Hwa%20Hong">Kyung Hwa Hong</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The objective of this study was to evaluate the ability of spent coffee extract to enhance the antioxidant and antimicrobial properties of cotton fabrics. The emergence and spread of infectious diseases has raised a global interest in the antimicrobial substances. The safety of chemical agents, such as antimicrobials and dyes, which may irritate the skin, cause cellular and organ damage, and have adverse environmental impacts during their manufacturing, in relation to the human body has not been established. Nevertheless, there is a growing interest in natural antimicrobials that kill microorganisms or stop their growth without dangerous effects on human health. Spent coffee is the by-product of coffee brewing and amounted to 96,000 tons worldwide in 2015. Coffee components such as caffeine, melanoidins, and chlorogenic acid have been reported to possess multifunctional properties, including antimicrobial, antioxidant, and anti-inflammatory activities. Therefore, the current study examined the possibility of applying spent coffee in functional textile finishing. Spent coffee was extracted with 60% methanol solution, and the major components of the extract were quantified. In addition, cotton fabrics treated with spent coffee extract through a pad-dry-cure process were investigated for antioxidant and antimicrobial activities. The cotton fabrics finished with the spent coffee extract showed an increase in yellowness, which is an unfavorable outcome from the fabric finishing process. However, the cotton fabrics finished with the spent coffee extract exhibited considerable antioxidant activity. In particular, the antioxidant ability significantly increased with increasing concentrations of the spent coffee extract. The finished cotton fabrics showed antimicrobial ability against S. aureus but relatively low antimicrobial ability against K. pneumoniae. Therefore, further investigations are needed to determine the appropriate concentration of spent coffee extract to inhibit the growth of various pathogenic bacteria. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=spent%20coffee%20grounds" title="spent coffee grounds">spent coffee grounds</a>, <a href="https://publications.waset.org/abstracts/search?q=cotton" title=" cotton"> cotton</a>, <a href="https://publications.waset.org/abstracts/search?q=natural%20finishing%20agent" title=" natural finishing agent"> natural finishing agent</a>, <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=antimicrobial%20activity" title=" antimicrobial activity"> antimicrobial activity</a> </p> <a href="https://publications.waset.org/abstracts/82466/cotton-treated-with-spent-coffee-extract-for-realizing-functional-textiles" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/82466.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">166</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">6860</span> Antimicrobial Activity of Olive Mill Wastewater Fractions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Chahinez%20Ait%20Si%20Said">Chahinez Ait Si Said</a>, <a href="https://publications.waset.org/abstracts/search?q=Ouassila%20Touafek"> Ouassila Touafek</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Reda%20Zahi"> Mohamed Reda Zahi</a>, <a href="https://publications.waset.org/abstracts/search?q=Smain%20Sabour"> Smain Sabour</a>, <a href="https://publications.waset.org/abstracts/search?q=%E2%80%8EMohamed%20El%20Hattab%20%E2%80%8E"> ‎Mohamed El Hattab ‎</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Oil mill wastewater (OMW) is a major effluent of the olive industry resulting from olive ‎oil extraction which is a great source for the development of new drugs. The present ‎study aimed to evaluate the antimicrobial activity of seven different fractions separated ‎from OMW extract. The sample was recovered from an oil mill in the Blida region ‎‎(Algeria). A crude ethyl acetate extract was prepared from OMW according to a well-‎established protocol; the yield of the extract obtained was 4%. From the extract, ‎different fractions were prepared by fractionating the total extract with an open column ‎chromatography. The obtained fractions were submitted to antimicrobial activity ‎screening in a comparative purpose. All the fractions obtained show great antimicrobial ‎potential. ‎Phytochemical study of the different fractions was assessed by evaluating the total ‎phenolic compounds for all fractions studied as the main compounds found in OMW ‎were phenols like hydroxytyrosol, tyrosol, phenolic acids like caffeic, quinic and ferulic ‎acids which show great therapeutic activities. ‎ <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=olive%20mill%20wastewater" title="olive mill wastewater">olive mill wastewater</a>, <a href="https://publications.waset.org/abstracts/search?q=fractionation" title=" fractionation"> fractionation</a>, <a href="https://publications.waset.org/abstracts/search?q=total%20phenolic%20compound" title=" total phenolic compound"> total phenolic compound</a>, <a href="https://publications.waset.org/abstracts/search?q=antimicrobial%20activity" title=" antimicrobial activity"> antimicrobial activity</a> </p> <a href="https://publications.waset.org/abstracts/167613/antimicrobial-activity-of-olive-mill-wastewater-fractions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/167613.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">104</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">6859</span> Chemical Characterization of Octopus Vulgaris Ink and Evaluation of its in-vitro Antioxidant, Antimicrobial, and Anti-Schistosomicidal Activities</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Salwa%20A.%20H.%20Hamdi">Salwa A. H. Hamdi</a>, <a href="https://publications.waset.org/abstracts/search?q=Maha%20A.%20M.%20El-Shazly"> Maha A. M. El-Shazly</a>, <a href="https://publications.waset.org/abstracts/search?q=Mona%20Fathi%20Fol"> Mona Fathi Fol</a>, <a href="https://publications.waset.org/abstracts/search?q=Hanan%20S.%20Mossalem"> Hanan S. Mossalem</a>, <a href="https://publications.waset.org/abstracts/search?q=Mosad%20A.%20Ghareeb"> Mosad A. Ghareeb</a>, <a href="https://publications.waset.org/abstracts/search?q=Amina%20M.%20Ibrahim"> Amina M. Ibrahim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> One of the most distinctive and defining features of cephalopods squid, cuttlefish, and Octopus is their inking behavior. Their ink, which is blackened by melanin but also contains other constituents, has been used by humans in various ways for millennia. The present study aims to investigate the chemical profiling of the Octopus vulgaris ink extract and to evaluate its antioxidant, antimicrobial, and anti-schistosomal activities. The present results showed that GC-MS examination of Octopus vulgaris ink comprises 21 compounds. The main detected compounds are (E)-1, 2, 3, 4-Tetra (4-phenylphenyl)-2-butene-1,4-dione, Lipo-3-episapelin A, and 5,10-Dihexyltetrabenzoporphyrin. Results showed that the octopus ink had antioxidant capacity and the capability to mask DPPH free radicals in comparison with ascorbic acid. Octopus Vulgaris ink extract had inhibitory action against three gram-positive bacteria, Streptococcus faecalis, Staphylococcus aureus, and Bacillus subtilis, and three gram-negative bacteria, Neisseria gonorrhoeae, Escherichia coli, and Pseudomonas aeuroginosa. Additionally, the extracted ink revealed antifungal activity against Aspergillus flavus and yeast as Candida albicans. The obtained data indicated the effectiveness of ink extract in pharmaceutical industries as an antioxidant, antimicrobial and antischistosomicidal <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antimicrobial" title="antimicrobial">antimicrobial</a>, <a href="https://publications.waset.org/abstracts/search?q=antioxidant" title=" antioxidant"> antioxidant</a>, <a href="https://publications.waset.org/abstracts/search?q=ink" title=" ink"> ink</a>, <a href="https://publications.waset.org/abstracts/search?q=octopus%20vulgaris" title=" octopus vulgaris"> octopus vulgaris</a> </p> <a href="https://publications.waset.org/abstracts/160772/chemical-characterization-of-octopus-vulgaris-ink-and-evaluation-of-its-in-vitro-antioxidant-antimicrobial-and-anti-schistosomicidal-activities" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/160772.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">95</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">6858</span> Natural Preservatives: An Alternative for Chemical Preservative Used in Foods</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zerrin%20Erginkaya">Zerrin Erginkaya</a>, <a href="https://publications.waset.org/abstracts/search?q=G%C3%B6zde%20Konuray"> Gözde Konuray</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Microbial degradation of foods is defined as a decrease of food safety due to microorganism activity. Organic acids, sulfur dioxide, sulfide, nitrate, nitrite, dimethyl dicarbonate and several preservative gases have been used as chemical preservatives in foods as well as natural preservatives which are indigenous in foods. It is determined that usage of herbal preservatives such as blueberry, dried grape, prune, garlic, mustard, spices inhibited several microorganisms. Moreover, it is determined that animal origin preservatives such as whey, honey, lysosomes of duck egg and chicken egg, chitosan have antimicrobial effect. Other than indigenous antimicrobials in foods, antimicrobial agents produced by microorganisms could be used as natural preservatives. The antimicrobial feature of preservatives depends on the antimicrobial spectrum, chemical and physical features of material, concentration, mode of action, components of food, process conditions, and pH and storage temperature. In this review, studies about antimicrobial components which are indigenous in food (such as herbal and animal origin antimicrobial agents), antimicrobial materials synthesized by microorganisms, and their usage as an antimicrobial agent to preserve foods are discussed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=animal%20origin%20preservatives" title="animal origin preservatives">animal origin preservatives</a>, <a href="https://publications.waset.org/abstracts/search?q=antimicrobial" title=" antimicrobial"> antimicrobial</a>, <a href="https://publications.waset.org/abstracts/search?q=chemical%20preservatives" title=" chemical preservatives"> chemical preservatives</a>, <a href="https://publications.waset.org/abstracts/search?q=herbal%20preservatives" title=" herbal preservatives"> herbal preservatives</a> </p> <a href="https://publications.waset.org/abstracts/61833/natural-preservatives-an-alternative-for-chemical-preservative-used-in-foods" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/61833.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">377</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">6857</span> Characterization and Optimization of Antimicrobial Compound/S Produced by Asperigillus Fumigatus Isolated from Monuments</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20A.%20M.%20Kewisha">Mohammad A. M. Kewisha</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Xerophilic fungi , which are responsible for many cases of biodeterioration monuments, have been known as an interesting source of antimicrobial compounds. Sixty nine fungal strains, isolated from different localities and species inside Egyptian museums, were screened for antimicrobial activity against some bacterial species and unicellular fungi. The most potent antimicrobial activity was obtained by Asperigillus fumigatus which was identified by ITS4 ……. and showed activity against Staphylococcus aureus with 20 mm and C. albicans with18 mm of inhibition zone. Different parameters were optimized to enhance this activity. The culture grown under stationary conditions for 8 days at 30°C and pH 8 gave the best antimicrobial activity. Moreover, both starch and yeast extract showed the most suitable carbon and nitrogen sources, respectively. The antimicrobial compound was purified and subjected to spectroscopic characterization, which revealed that the antimicrobial compound might be 5,7 ethoxy, 4\,5\ methoxy isorhamnetin -3- O- galactoside. This study suggests that Aspergillus fumagates as a potential candidate offering a better scope for the production, purification and isolation of broad-spectrum antimicrobial compounds. These findings will facilitate the scale-up and further purification to ascertain the compounds responsible for antimicrobial activity, which can be exploited for the treatment of biodeterioration monuments and pharmaceutical applications. <p class="card-text"><strong>Keywords:</strong> <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=asperigillus%20fumigatus" title=" asperigillus fumigatus"> asperigillus fumigatus</a>, <a href="https://publications.waset.org/abstracts/search?q=Identification%20by%20ITS4" title=" Identification by ITS4"> Identification by ITS4</a>, <a href="https://publications.waset.org/abstracts/search?q=Staphylococcus%20aureus" title=" Staphylococcus aureus"> Staphylococcus aureus</a>, <a href="https://publications.waset.org/abstracts/search?q=C.albicans" title=" C.albicans"> C.albicans</a> </p> <a href="https://publications.waset.org/abstracts/171668/characterization-and-optimization-of-antimicrobial-compounds-produced-by-asperigillus-fumigatus-isolated-from-monuments" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/171668.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">54</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">6856</span> Antimicrobial, Antioxidant and Cytotoxicity Properties of Some Selected Wild Edible Fruits Used Traditionally as a Source of Food</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Thilivhali%20Emmanuel%20Tshikalange">Thilivhali Emmanuel Tshikalange</a>, <a href="https://publications.waset.org/abstracts/search?q=Darky%20Cheron%20Modishane"> Darky Cheron Modishane</a>, <a href="https://publications.waset.org/abstracts/search?q=Frederick%20Tawi%20Tabit"> Frederick Tawi Tabit</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The fruit pulp extracts of twelve selected ethnobotanical wild edible fruits from Mutale local municipality in Venda (Limpopo Province, South Africa) were investigated for their antimicrobial, antioxidant and cytotoxicity activities. Methanol extracts were prepared and tested against six micro-organisms (Salmonella typhi, Streptococcus pyogenes, Bacillus cereus, Klebsiella pneumoniae, Prevotella intermedia and Candida albicans). The minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) were determined using the micro-dilution method, while for antioxidant activity the 2,2-diphenyl-1-picrylhydrazyl method was used. Of the 12 extracts tested, Adonsonia digitata, Berchemia discolor, Manilkara mochisia, Xanthocercis zambesiaca, Landolphia kirkii and Garcinia livingstonei showed antimicrobial activity, with MIC values ranging from 12.5 to 0.4 mg/ml. Gram negative bacteria were more resistant to the extracts in comparison to Gram positive bacteria. Antioxidant activity was only detected in Adonsonia digitata extract and the IC50 (substrate concentration to produce 50% reduction) was found to be 16.18µg/ml. The cytotoxicity of the extracts that showed antimicrobial and antioxidant activities was also determined. All plant extracts tested were non-toxic against human kidney cells (HEK293), with IC50 values of >400 µg/ml. The results presented in this study provide support to some traditional uses of wild edible fruits. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antimicrobial" title="antimicrobial">antimicrobial</a>, <a href="https://publications.waset.org/abstracts/search?q=antioxidant" title=" antioxidant"> antioxidant</a>, <a href="https://publications.waset.org/abstracts/search?q=cytotoxicity" title=" cytotoxicity"> cytotoxicity</a>, <a href="https://publications.waset.org/abstracts/search?q=ethnobotanical" title=" ethnobotanical"> ethnobotanical</a>, <a href="https://publications.waset.org/abstracts/search?q=fruits" title=" fruits"> fruits</a> </p> <a href="https://publications.waset.org/abstracts/46586/antimicrobial-antioxidant-and-cytotoxicity-properties-of-some-selected-wild-edible-fruits-used-traditionally-as-a-source-of-food" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/46586.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">392</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">6855</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> <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=antimicrobial%20activities&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=antimicrobial%20activities&page=3">3</a></li> <li class="page-item"><a class="page-link" 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