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antimicrobial evaluation</title> <meta name="description" content="Search results for: antimicrobial evaluation"> <meta name="keywords" content="antimicrobial evaluation"> <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 evaluation"> <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> 7169</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: antimicrobial evaluation</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">7169</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">7168</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">7167</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">7166</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">7165</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">457</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">7164</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">7163</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">7162</span> The Antimicrobrial Effect of Alkaloids (Harmin, Harmalin) Extracted from Peganum harmala (L) Seeds in the South of Algeria (Bousaada)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nassima%20Behidj-Benyounes">Nassima Behidj-Benyounes</a>, <a href="https://publications.waset.org/abstracts/search?q=Thoraya%20Dahmene"> Thoraya Dahmene</a>, <a href="https://publications.waset.org/abstracts/search?q=Nadjiba%20Chebout"> Nadjiba Chebout </a> </p> <p class="card-text"><strong>Abstract:</strong></p> This work examines the study of the antimicrobrial effect of alkaloids extracted from the seeds of Peganum harmala L (Zygophyllaceae). This natural substance is extracted by using different solvents (aqueous, ethanolic, and hexane). The evaluation of the antimicrobial activity has only dealt with alkaloids. The antimicrobial effect of alkaloids is evaluated on several microorganisms. It has been tested on eight bacterial strains. The extract has been studied by using two yeasts. Finally, three molds have been studied. It should be noted that these agents are characterized by a high frequency of contamination and pathogenicity. Through this study, we note that Staphylococcus aureus, Saccharomyces cerievisae and E. coli are very sensitive in respect of the ethanol extract. Pseudomonas aerogenosa and Penicillium sp. are resistant to this extract. The other microorganisms are moderately sensitive. The study of the antimicrobial activity of different extracts of the Harmel has shown an optimal activity with the ethanol extract. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Peganum%20harmala%20L." title="Peganum harmala L.">Peganum harmala L.</a>, <a href="https://publications.waset.org/abstracts/search?q=seeds" title=" seeds"> seeds</a>, <a href="https://publications.waset.org/abstracts/search?q=alkaloids" title=" alkaloids"> alkaloids</a>, <a href="https://publications.waset.org/abstracts/search?q=bacteria" title=" bacteria"> bacteria</a>, <a href="https://publications.waset.org/abstracts/search?q=fungi" title=" fungi"> fungi</a>, <a href="https://publications.waset.org/abstracts/search?q=yeast" title=" yeast"> yeast</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/1737/the-antimicrobrial-effect-of-alkaloids-harmin-harmalin-extracted-from-peganum-harmala-l-seeds-in-the-south-of-algeria-bousaada" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/1737.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">400</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">7161</span> Potential Use of Thymus mastichina L. Extract as a Natural Agent against Cheese Spoilage Microorganisms</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Susana%20P.%20Dias">Susana P. Dias</a>, <a href="https://publications.waset.org/abstracts/search?q=Andrea%20Gomes"> Andrea Gomes</a>, <a href="https://publications.waset.org/abstracts/search?q=Fernanda%20M.%20Ferreira"> Fernanda M. Ferreira</a>, <a href="https://publications.waset.org/abstracts/search?q=Marta%20F.%20Henriques"> Marta F. Henriques</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Thymus mastichina L. is an endogenous medicinal and aromatic plant of the Mediterranean flora. It has been used empirically over the years as a natural preservative in food. Nowadays, the antimicrobial activity of its bioactive compounds, such as essential oils and extracts, has been well recognized. The main purpose of this study was to evaluate the antimicrobial effect of Thymus mastichina ethanolic and aqueous extracts on pathogens and spoilage microorganisms present in cheese during ripening. The effect that the extract type and its concentration has on the development of Staphylococcus aureus, Escherichia coli, and Yarrowia lipolytica populations during 24 hours, was studied 'in vitro' using appropriate culture media. The results achieved evidenced the antimicrobial activity of T. mastichina extracts against the studied strains, and the concentration of 2 mg/mL (w/v) was selected and used directly on the cheese surface during ripening. In addition to the microbiological evaluation in terms of total aerobic bacteria, Enterobacteriaceae, yeasts (particularly Y. lipolytica) and molds, the treated cheeses physicochemical evaluation (humidity, aw, pH, colour, and texture) was also performed. The results were compared with cheeses with natamicyn (positive control) and without any treatment (negative control). The physicochemical evaluation showed that the cheeses treated with ethanolic extract of Thymus mastichina, except the fact that they lead to a faster water loss during ripening, did not present considerable differences when compared to controls. The study revealed an evident antimicrobial power of the extracts, although less effective than the one shown by the use of natamycin. For this reason, the improvement of the extraction methods and the adjustment of the extract concentrations will contribute to the use of T. mastichina as a healthier and eco-friendly alternative to natamycin, that is also more attractive from an economic point of view. <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=cheese" title=" cheese"> cheese</a>, <a href="https://publications.waset.org/abstracts/search?q=ethanolic%20extract" title=" ethanolic extract"> ethanolic extract</a>, <a href="https://publications.waset.org/abstracts/search?q=Thymus%20mastichina" title=" Thymus mastichina"> Thymus mastichina</a> </p> <a href="https://publications.waset.org/abstracts/81054/potential-use-of-thymus-mastichina-l-extract-as-a-natural-agent-against-cheese-spoilage-microorganisms" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/81054.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">175</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">7160</span> Evaluation of Antimicrobial Activity of Phenolic Compounds Extracted from Jordanian Juglans regia L.</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hamoud%20Alshammari">Hamoud Alshammari</a>, <a href="https://publications.waset.org/abstracts/search?q=Adnan%20Almezani"> Adnan Almezani</a>, <a href="https://publications.waset.org/abstracts/search?q=Hamdan%20Alshammari"> Hamdan Alshammari</a>, <a href="https://publications.waset.org/abstracts/search?q=Faris%20Alharbi"> Faris Alharbi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study we have examined of antimicrobial activity for unripe Juglan Regia phenolic extracts against a wide range of pathogenic microorganisms. Walnut (Juglans regia L.) is a member of Juglandaceae family used as a remedy in folk medicine. Leaves, barks, fruits and husk (peel) reported to harbor distinctive medical effect. In our study, we examined the anti-microbial effect against a set of gram positive and negative bacteria and even we have tested them against eukaryotic candida strains in a concentration gradual manner. Ethyl acetate extract of J. regia had the best antibacterial activity when compared with ciprofloxacin. The Minimum inhibition concentration for S. aureus, P. aerogenosa and S. epidermidis MIC was 0.85 mg/mL. <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=J.%20regia" title=" J. regia"> J. regia</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20aureus" title=" S. aureus"> S. aureus</a>, <a href="https://publications.waset.org/abstracts/search?q=phytochemistry" title=" phytochemistry"> phytochemistry</a> </p> <a href="https://publications.waset.org/abstracts/79572/evaluation-of-antimicrobial-activity-of-phenolic-compounds-extracted-from-jordanian-juglans-regia-l" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/79572.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">200</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">7159</span> Drug Use Knowledge and Antimicrobial Drug Use Behavior</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pimporn%20Thongmuang">Pimporn Thongmuang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The import value of antimicrobial drugs reached approximately fifteen million Baht in 2010, considered as the highest import value of all modern drugs, and this value is rising every year. Antimicrobials are considered the hazardous drugs by the Ministry of Public Health. This research was conducted in order to investigate the past knowledge of drug use and Antimicrobial drug use behavior. A total of 757 students were selected as the samples out of a population of 1,800 students. This selected students had the experience of Antimicrobial drugs use a year ago. A questionnaire was utilized in this research. The findings put on the view that knowledge gained by the students about proper use of antimicrobial drugs was not brought into practice. This suggests that the education procedure regarding drug use needs adjustment. And therefore the findings of this research are expected to be utilized as guidelines for educating people about the proper use of antimicrobial drugs. At a broader perspective, correct drug use behavior of the public may potentially reduce drug cost of the Ministry of Public Health of Thailand. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=drug%20use%20knowledge" title="drug use knowledge">drug use knowledge</a>, <a href="https://publications.waset.org/abstracts/search?q=antimicrobial%20drugs" title=" antimicrobial drugs"> antimicrobial drugs</a>, <a href="https://publications.waset.org/abstracts/search?q=drug%20use%20behavior" title=" drug use behavior"> drug use behavior</a>, <a href="https://publications.waset.org/abstracts/search?q=drug" title=" drug"> drug</a> </p> <a href="https://publications.waset.org/abstracts/3900/drug-use-knowledge-and-antimicrobial-drug-use-behavior" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/3900.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">280</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">7158</span> Phytochemical Screening, and Antimicrobial Evaluation of Bioactive Compounds from Red Millipede (Trigoniulus corallinus)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Y.%20B.%20Idris">Y. B. Idris</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Sirajo"> M. Sirajo</a>, <a href="https://publications.waset.org/abstracts/search?q=L.%20G.%20Hassan"> L. G. Hassan</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20Izuagie"> T. Izuagie</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20Muktar"> T. Muktar</a>, <a href="https://publications.waset.org/abstracts/search?q=I.%20Lawal"> I. Lawal</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20U.%20Abubakar"> A. U. Abubakar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study investigates the extraction, phytochemical composition, and antimicrobial activity of bioactive compounds from red millipedes using three different solvents: n-Hexane, Chloroform, and Methanol. The largest yield was obtained from the methanol extract, which had percentage yields of 0.8%, 2.2%, and 5.6%, respectively. Terpenoids and sterols were found in all extracts according to preliminary zoochemical screening, but only the methanol extract included saponins and phenols. With a maximum zone of inhibition of 9 mm at 1000 µg/ml, antimicrobial susceptibility tests revealed that the methanol extract had the strongest antibacterial activity, especially against Escherichia coli and Staphylococcus aureus. Significant activity was also shown by the n-hexane extract, although the chloroform extract had only mild antibacterial activity. Tests for minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) verified that the methanol extract was more effective than the other extracts, particularly against S. aureus and S. typhi. None of the extracts, nonetheless, showed any discernible antifungal action. The potential of red millipede extracts, especially those based on methanol, as a source of antimicrobial chemicals for use in the future is highlighted by this work. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=millipedes" title="millipedes">millipedes</a>, <a href="https://publications.waset.org/abstracts/search?q=defensive%20extraction" title=" defensive extraction"> defensive extraction</a>, <a href="https://publications.waset.org/abstracts/search?q=antibacterial" title=" antibacterial"> antibacterial</a>, <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=minimum%20inhibitory%20concentration%20%28MIC%29" title=" minimum inhibitory concentration (MIC)"> minimum inhibitory concentration (MIC)</a>, <a href="https://publications.waset.org/abstracts/search?q=minimum%20bacterial%20concentration%20%28MBC%29" title=" minimum bacterial concentration (MBC)"> minimum bacterial concentration (MBC)</a> </p> <a href="https://publications.waset.org/abstracts/192970/phytochemical-screening-and-antimicrobial-evaluation-of-bioactive-compounds-from-red-millipede-trigoniulus-corallinus" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/192970.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">12</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">7157</span> Antimicrobial Activity of the Cyanobacteria spp. against Fish Pathogens in Aquaculture</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=I.%20Tulay%20Cagatay">I. Tulay Cagatay</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Blue-green microalgae cyanobacteria, which are important photosynthetic organisms of aquatic ecosystems, are the primary sources of many bioactive compounds such as proteins, carbohydrates, lipids, vitamins and enzymes that can be used as antimicrobial and antiviral agents. Some of these organisms are nowadays used directly in the food, cosmetic and pharmaceutical industry, or in aquaculture and biotechnological approaches like biofuel or drug therapy. Finding the effective, environmental friendly chemotropic and antimicrobial agents to control fish pathogens are crucial in a country like Turkey which has a production capacity of about 240 thousand tons of cultured fish and has 2377 production farms and which is the second biggest producer in Europe. In our study, we tested the antimicrobial activity of cyanobacterium spp. against some fish pathogens Aeromonas hydrophila and Yersinia ruckeri that are important pathogens for rainbow trout farms. Agar disk diffusion test method was used for studying antimicrobial activity on pathogens. Both tested microorganisms have shown antimicrobial activity positively as the inhibition zones were 0.45 mm and 0.40 mm respectively. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fish%20pathogen" title="fish pathogen">fish pathogen</a>, <a href="https://publications.waset.org/abstracts/search?q=cyanobacteria" title=" cyanobacteria"> cyanobacteria</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=trout" title=" trout"> trout</a> </p> <a href="https://publications.waset.org/abstracts/83606/antimicrobial-activity-of-the-cyanobacteria-spp-against-fish-pathogens-in-aquaculture" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/83606.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">165</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">7156</span> Phytochimical Screening and Antimicrobial Activity of Ethanolic Extract of Solenostemma Argel (Asclepiadaceae)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fatma%20Acheuk">Fatma Acheuk</a>, <a href="https://publications.waset.org/abstracts/search?q=Akila%20Hamichi"> Akila Hamichi</a>, <a href="https://publications.waset.org/abstracts/search?q=Siham%20Semmar"> Siham Semmar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The crude ethanolic extract from Solenostemma argel was obtained by maceration of leaves and stems of the plant. Phytochimical study revealed the richness of the species on flavonoids, alkaloids, tannins and glycosides. Antimicrobial activity of the growth of clinical isolates of Eschirichia coli, Pseudomonas aeriginosa, Staphylococus aureus and Bacillus Subtilis was carried out using agar disc diffusion. The results of the study revealed that the test compound has antimicrobial activity against gram-positive bacteria which are resistant to commonly antimicrobial agents used. However, no effect was observed on other species tested. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Solenostemma%20argel" title="Solenostemma argel">Solenostemma argel</a>, <a href="https://publications.waset.org/abstracts/search?q=crude%20extract" title=" crude extract"> crude extract</a>, <a href="https://publications.waset.org/abstracts/search?q=phytochemical%20screening" title=" phytochemical screening"> phytochemical screening</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/37158/phytochimical-screening-and-antimicrobial-activity-of-ethanolic-extract-of-solenostemma-argel-asclepiadaceae" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37158.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">381</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">7155</span> Polyphenol and Antimicrobial Activity in Olive Oil from Algeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kamel%20Zemour">Kamel Zemour</a>, <a href="https://publications.waset.org/abstracts/search?q=Kada%20Mohamed%20Amine%20Chouhim"> Kada Mohamed Amine Chouhim</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Mairif"> Mohamed Mairif</a>, <a href="https://publications.waset.org/abstracts/search?q=Tadj%20Eddine%20Adda%20Ardjan"> Tadj Eddine Adda Ardjan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Many recent studies show the positive effect of phenolic compounds in olive oil on health. They are known for their biological properties, where they have shown potential activity as an antioxidant, anti-inflammatory, and antimicrobial agents. However, this characteristic is rarely studied in olive oil from different regions of Algeria. Different samples collected from the western region of Algeria were evaluated for their polyphenol content, antioxidant activity, and antimicrobial effect. The obtained results demonstrated that this oil is rich in polyphenols and revealed high antimicrobial activity against Staphylococcus aureus and Escherichia coli. Finally, this study has highlighted the nutritional and pharmaceutical importance of olive oil grown in Algeria. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=olive%20oil" title="olive oil">olive oil</a>, <a href="https://publications.waset.org/abstracts/search?q=polyphenols" title=" polyphenols"> polyphenols</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/159649/polyphenol-and-antimicrobial-activity-in-olive-oil-from-algeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/159649.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">152</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">7154</span> Preparation and Characterization of Cellulose Based Antimicrobial Food Packaging Materials</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Memet%20Vezir%20Kahraman">Memet Vezir Kahraman</a>, <a href="https://publications.waset.org/abstracts/search?q=Ferhat%20Sen"> Ferhat Sen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study aimed to develop polyelectrolyte structured antimicrobial food packaging materials that do not contain any antimicrobial agents. Cationic hydroxyethyl cellulose was synthesized and characterized by Fourier Transform Infrared, carbon and proton Nuclear Magnetic Resonance spectroscopy. Its nitrogen content was determined by the Kjeldahl method. Polyelectrolyte structured antimicrobial food packaging materials were prepared using hydroxyethyl cellulose, cationic hydroxyethyl cellulose, and sodium alginate. Antimicrobial activity of materials was defined by inhibition zone method (disc diffusion method). Thermal stability of samples was evaluated by thermal gravimetric analysis and differential scanning calorimetry. Surface morphology of samples was investigated by scanning electron microscope. The obtained results prove that produced food packaging materials have good thermal and antimicrobial properties, and they can be used as food packaging material in many industries. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antimicrobial%20food%20packaging" title="antimicrobial food packaging">antimicrobial food packaging</a>, <a href="https://publications.waset.org/abstracts/search?q=cationic%20hydroxyethyl%20cellulose" title=" cationic hydroxyethyl cellulose"> cationic hydroxyethyl cellulose</a>, <a href="https://publications.waset.org/abstracts/search?q=polyelectrolyte" title=" polyelectrolyte"> polyelectrolyte</a>, <a href="https://publications.waset.org/abstracts/search?q=sodium%20alginate" title=" sodium alginate"> sodium alginate</a> </p> <a href="https://publications.waset.org/abstracts/93166/preparation-and-characterization-of-cellulose-based-antimicrobial-food-packaging-materials" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/93166.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">160</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">7153</span> Financial Benefits after the Implementation of Antimicrobial Copper in Intensive Care Units (ICUs)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=P.%20Efstathiou">P. Efstathiou</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20Kouskouni"> E. Kouskouni</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Papanikolaou"> S. Papanikolaou</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20Karageorgou"> K. Karageorgou</a>, <a href="https://publications.waset.org/abstracts/search?q=Z.%20Manolidou"> Z. Manolidou</a>, <a href="https://publications.waset.org/abstracts/search?q=Tseroni%20Maria"> Tseroni Maria</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Efstathiou"> A. Efstathiou</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20Karyoti"> V. Karyoti</a>, <a href="https://publications.waset.org/abstracts/search?q=I.%20Agrafa"> I. Agrafa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Aim: Aim of this study was to evaluate the reduction on Intensive Care Unit (ICU) microbial flora after the antimicrobial copper alloy (Cu+) implementation as well as the effect on financial-epidemiological operation parameters. Methods: Medical, epidemiological and financial data in two time periods, before and after the implementation of copper (Cu 63% - Zn 37%, low lead) were recorded and analyzed in a general ICU. The evaluated parameters were: the importance of patients' admission (Acute Physiology and Chronic Health Evaluation - APACHE II and Simplified Acute Physiology Score - SAPS), microbial flora's record in the ICU before and after the implementation of Cu+ as well as the impact on epidemiological and ICU's operation financial parameters. Results: During December 2010 and March 2011 and respectively during December 2011 and March 2012 comparative results showed statistically significant reduction on the microbial flora (CFU/ml) by 95% and the use of antimicrobial medicine (per day per patient) by 30% (p = 0,014) as well as patients hospitalization time and cost. Conclusions: The innovative implementation of antimicrobial copper in ICUs contributed to their microbial flora significant reduction and antimicrobial drugs use reduction with the apparent positive effect (decrease) in both patient’s hospitalization time and cost. Under the present circumstances of economic crisis, survey results are of highest importance and value. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antimicrobial%20copper" title="antimicrobial copper">antimicrobial copper</a>, <a href="https://publications.waset.org/abstracts/search?q=financial%20benefits" title=" financial benefits"> financial benefits</a>, <a href="https://publications.waset.org/abstracts/search?q=ICU" title=" ICU"> ICU</a>, <a href="https://publications.waset.org/abstracts/search?q=cost%20reduction" title=" cost reduction"> cost reduction</a> </p> <a href="https://publications.waset.org/abstracts/14488/financial-benefits-after-the-implementation-of-antimicrobial-copper-in-intensive-care-units-icus" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14488.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">470</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">7152</span> Antimicrobial Agents Produced by Yeasts</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=T.%20B%C3%BCy%C3%BCks%C4%B1r%C4%B1t">T. Büyüksırıt</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Kulea%C5%9Fan"> H. Kuleaşan </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Natural antimicrobials are used to preserve foods that can be found in plants, animals, and microorganisms. Antimicrobial substances are natural or artificial agents that produced by microorganisms or obtained semi/total chemical synthesis are used at low concentrations to inhibit the growth of other microorganisms. Food borne pathogens and spoilage microorganisms are inactivated by the use of antagonistic microorganisms and their metabolites. Yeasts can produce toxic proteins or glycoproteins (toxins) that cause inhibition of sensitive bacteria and yeast species. Antimicrobial substance producing phenotypes belonging different yeast genus were isolated from different sources. Toxins secreted by many yeast strains inhibiting the growth of other yeast strains. These strains show antimicrobial activity, inhibiting the growth of mold and bacteria. The effect of antimicrobial agents produced by yeasts can be extremely fast, and therefore may be used in various treatment procedures. Rapid inhibition of microorganisms is possibly caused by microbial cell membrane lipopolysaccharide binding and in activation (neutralization) effect. Antimicrobial agents inhibit the target cells via different mechanisms of action. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antimicrobial%20agents" title="antimicrobial agents">antimicrobial agents</a>, <a href="https://publications.waset.org/abstracts/search?q=yeast" title=" yeast"> yeast</a>, <a href="https://publications.waset.org/abstracts/search?q=toxic%20protein" title=" toxic protein"> toxic protein</a>, <a href="https://publications.waset.org/abstracts/search?q=glycoprotein" title=" glycoprotein"> glycoprotein</a> </p> <a href="https://publications.waset.org/abstracts/9513/antimicrobial-agents-produced-by-yeasts" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/9513.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">362</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">7151</span> Sensory Evaluation and Microbiological Properties of Gouda Cheese Affected by Bunium persicum (Boiss.) Essential Oil</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=N.%20Noori">N. Noori</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Taherkhani"> P. Taherkhani</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Akhondzadeh%20Basti"> A. Akhondzadeh Basti</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Gandomi"> H. Gandomi</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Alimohammadi"> M. Alimohammadi </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Research on natural antimicrobial agents, especially of plant origin, highly noticed in recent years and evaluation of antimicrobial effects of native plants such as Bunium persicum Boiss. is especially important. In the present study, sensory characteristics and microbiological properties of Gouda cheese affected by different concentrations of Bunium persicum Boiss. essential oil were investigated. Extraction of the essential oil was performed by hydro distillation. The oil was analyzed by GC using flame ionization (FID) and GC/ MS for detection. The antimicrobial effects were determined against various microbial groups (aerobic mesophilic bacteria, enterococci, mesophilic lactobacilli, enterobacteriaceae, lactococcus and yeasts). Microbial groups were counted during ripening period using plate count on specific culture media. Organoleptic evaluation including teture, flavor, odor, color and total acceptability were determined at the end of aging. According to results, the essential oil yield was 4/1 % ( W/ W). Twenty- six compounds were identified in the oil that concluded 99.7 % of the total oil. The major components of Bunium persicum Boiss. essential oil were γ- terpinene- 7- al (26.9 %) and cuminaldehyde (23.3 %). Generally, the increase of Black Cumin essential oil concentration led to reduction in microbial counts in different groups. The maximum antimicrobial effect was seen in yeast that reduced by 2 log compared to the control group at EO concentration of 4µl/ ml at day 90.The minimum reduction was observed in enterobacteriaceae that showed only 0.75 log decreese compared to the control at the same concentration of EO. Addition of EO improved organoleptic properties of Gouda cheese especially in the case of flavor and odor characteristic. However, no significant differences were observed in texture and color between treatment and control groups. Bunium persicum Boiss. essential oil could be used as preservative material and flavoring agent in some kinds of food such as cheese and also could be provided consumers health. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bunium%20persicum%20Boiss.%20essential%20oil" title="Bunium persicum Boiss. essential oil">Bunium persicum Boiss. essential oil</a>, <a href="https://publications.waset.org/abstracts/search?q=Microbiological%20properties" title=" Microbiological properties"> Microbiological properties</a>, <a href="https://publications.waset.org/abstracts/search?q=sensory%20evaluation" title=" sensory evaluation"> sensory evaluation</a>, <a href="https://publications.waset.org/abstracts/search?q=gouda%20cheese" title=" gouda cheese"> gouda cheese</a> </p> <a href="https://publications.waset.org/abstracts/23069/sensory-evaluation-and-microbiological-properties-of-gouda-cheese-affected-by-bunium-persicum-boiss-essential-oil" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23069.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">325</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">7150</span> Prevalence and Antimicrobial Resistance of Salmonella spp. Isolated from Pigs at Slaughterhouses in Northeast of Thailand</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sunpetch%20Angkititrakul">Sunpetch Angkititrakul</a>, <a href="https://publications.waset.org/abstracts/search?q=Seree%20Klaengair"> Seree Klaengair</a>, <a href="https://publications.waset.org/abstracts/search?q=Dusadee%20Phongaran"> Dusadee Phongaran</a>, <a href="https://publications.waset.org/abstracts/search?q=Arunee%20Ritthipanun"> Arunee Ritthipanun</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The objective of this study is to determine the prevalence and antimicrobial resistance pattern of Salmonella spp. isolated from pigs at slaughterhouses in the northeast of Thailand. During 2015-2016, all samples were isolated and identified by ISO 6579:2002. A total of 699 samples of rectal swab were collected and isolated for the presence of Salmonella. Salmonella was detected in 275 of 699 (39.34%) samples. 24 serovars were identified in the 275 isolates. The most prevalent serovars were rissen (36.97%), S. enterica ser.4,5,12:i: (25.35%) and typhimurium (21.33%). In this study, 76.30% of the isolates were resistant to at least one antimicrobial drug and 38.39% were multidrug resistant. The highest resistances were found in ampicillin (69.20%), tetracycline (66.35%), sulfamethoxazole/trimethoprim (35.55%) and chloramphenicol (9.00%) The results showed high prevalence of Salmonella spp. in pigs and high antimicrobial resistance among the isolates, and indicated the need for monitoring program to control Salmonella contamination and reduce the dissemination of antimicrobial resistance in pig supply chain. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=prevalence" title="prevalence">prevalence</a>, <a href="https://publications.waset.org/abstracts/search?q=antimicrobial%20resistance" title=" antimicrobial resistance"> antimicrobial resistance</a>, <a href="https://publications.waset.org/abstracts/search?q=Salmonella%20spp." title=" Salmonella spp."> Salmonella spp.</a>, <a href="https://publications.waset.org/abstracts/search?q=pig" title=" pig"> pig</a> </p> <a href="https://publications.waset.org/abstracts/102507/prevalence-and-antimicrobial-resistance-of-salmonella-spp-isolated-from-pigs-at-slaughterhouses-in-northeast-of-thailand" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/102507.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">148</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">7149</span> A Review of Antimicrobial Strategy for Cotton Textile</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=C.%20W.%20Kan">C. W. Kan</a>, <a href="https://publications.waset.org/abstracts/search?q=Y.%20L.%20Lam"> Y. L. Lam</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cotton textile has large specific surfaces with good adhesion and water-storage properties which provide conditions for the growth and settlement of biological organisms. In addition, the soil, dust and solutes from sweat can also be the sources of nutrients for microorganisms [236]. Generally speaking, algae can grow on textiles under very moist conditions, providing nutrients for fungi and bacteria growth. Fungi cause multiple problems to textiles including discolouration, coloured stains and fibre damage. Bacteria can damage fibre and cause unpleasant odours with a slick and slimy feel. In addition, microbes can disrupt the manufacturing processes such as textile dyeing, printing and finishing operations through the reduction of viscosity, fermentation and mold formation. Therefore, a large demand exists for the anti-microbially finished textiles capable of avoiding or limiting microbial fibre degradation or bio fouling, bacterial incidence, odour generation and spreading or transfer of pathogens. In this review, the main strategy for cotton textile will be reviewed. In the beginning, the classification of bacteria and germs which are commonly found with cotton textiles will be introduced. The chemistry of antimicrobial finishing will be discussed. In addition, the types of antimicrobial treatment will be summarized. Finally, the application and evaluation of antimicrobial treatment on cotton textile will be discussed. <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=cotton" title=" cotton"> cotton</a>, <a href="https://publications.waset.org/abstracts/search?q=textile" title=" textile"> textile</a>, <a href="https://publications.waset.org/abstracts/search?q=review" title=" review"> review</a> </p> <a href="https://publications.waset.org/abstracts/28776/a-review-of-antimicrobial-strategy-for-cotton-textile" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/28776.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">365</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">7148</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">7147</span> Biological Activity of Essential Oils from Salvia nemorosa L.</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdol-Hassan%20Doulah">Abdol-Hassan Doulah </a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, antimicrobial activity of essential oil and ethyl acetate and ether extracts of S. nemorosa were examined against some species of bacteria and fungi. The essential oil of the aerial part of S. nemorosa was examined by GC and GC-MS. In the essential oil of S. nemorosa 26 Compounds have been identified. 2-Nonanone (44.09 %), 2-Undecanone (33.79 %), E-Caryophyllene (3.74 %) and 2-Decanone (2.89 %) were the main components of the essential oil. The essential oil analysis showed greatest antimicrobial activity against Staphylococcus epidermidis (5.3 μg/ml) and S. cerevisiae (9.3 μg/ml). The ethyl acetate showed greatest antimicrobial activity against Bacillus subtilis (106.7 μg/ml), Candida albicans (5.3 μg/ml) and ether extract showed greatest antimicrobial activity against Klebseilla pneumoniae (10.7 μg/ml) and Saccharomyces cerevisiae (10.7 μg/ml). In conclusion, we suggest that the antimicrobial activity of S. nemorosa may be due to its content of germacrene and linalool. <p class="card-text"><strong>Keywords:</strong> <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=antifungal%20activity" title=" antifungal activity"> antifungal activity</a>, <a href="https://publications.waset.org/abstracts/search?q=Salvia%20nemorosa%20L." title=" Salvia nemorosa L."> Salvia nemorosa L.</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=biological%20activity" title=" biological activity"> biological activity</a> </p> <a href="https://publications.waset.org/abstracts/31804/biological-activity-of-essential-oils-from-salvia-nemorosa-l" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/31804.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">493</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">7146</span> Nanocomposite Metal Material: Study of Antimicrobial and Catalytic Properties</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Roman%20J.%20Jedrzejczyk">Roman J. Jedrzejczyk</a>, <a href="https://publications.waset.org/abstracts/search?q=Damian%20K.%20Chlebda"> Damian K. Chlebda</a>, <a href="https://publications.waset.org/abstracts/search?q=Anna%20Dziedzicka"> Anna Dziedzicka</a>, <a href="https://publications.waset.org/abstracts/search?q=Rafal%20Wazny"> Rafal Wazny</a>, <a href="https://publications.waset.org/abstracts/search?q=Agnieszka%20Domka"> Agnieszka Domka</a>, <a href="https://publications.waset.org/abstracts/search?q=Maciej%20Sitarz"> Maciej Sitarz</a>, <a href="https://publications.waset.org/abstracts/search?q=Przemyslaw%20J.%20Jodlowski"> Przemyslaw J. Jodlowski</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this study was to obtain antimicrobial material based on thin zirconium dioxide coatings on structured reactors doped with metal nanoparticles using the sonochemical sol-gel method. As a result, dense, uniform zirconium dioxide films were obtained on the kanthal sheets which can be used as support materials in antimicrobial converters with sophisticated shapes. The material was characterised by physicochemical methods, such as AFM, SEM, EDX, XRF, XRD, XPS and in situ Raman and DRIFT spectroscopy. In terms of antimicrobial activity, the material was tested by ATP/AMP method using model microbes isolated from the real systems. The results show that the material can be potentially used in the market as a good candidate for active package and as active bulkheads of climatic systems. The mechanical tests showed that the developed method is an efficient way to obtain durable converters with high antimicrobial activity against fungi and bacteria. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antimicrobial%20properties" title="antimicrobial properties">antimicrobial properties</a>, <a href="https://publications.waset.org/abstracts/search?q=kanthal%20steel" title=" kanthal steel"> kanthal steel</a>, <a href="https://publications.waset.org/abstracts/search?q=nanocomposite" title=" nanocomposite"> nanocomposite</a>, <a href="https://publications.waset.org/abstracts/search?q=zirconium%20oxide" title=" zirconium oxide"> zirconium oxide</a> </p> <a href="https://publications.waset.org/abstracts/83482/nanocomposite-metal-material-study-of-antimicrobial-and-catalytic-properties" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/83482.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">200</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">7145</span> Antimicrobial Resistance Patterns of Salmonella spp. Isolate from Chickens at Slaughterhouses in Northeast of Thailand</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Seree%20Klaengair">Seree Klaengair</a>, <a href="https://publications.waset.org/abstracts/search?q=Sunpetch%20Angkititrakul"> Sunpetch Angkititrakul</a>, <a href="https://publications.waset.org/abstracts/search?q=Dusadee%20Phongaran"> Dusadee Phongaran</a>, <a href="https://publications.waset.org/abstracts/search?q=Chaiyaporn%20Soikum"> Chaiyaporn Soikum</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The objectives of this study is to determine the prevalence and antimicrobial resistance pattern of Salmonella spp. isolated from chickens at slaughterhouses in northeast of Thailand. During 2015-2016, all samples were isolated and identified by ISO 6579:2002. A total of 604 samples of rectal swab were collected and isolated for the presence of Salmonella. Salmonella was detected in 109 of 604 (18.05%) samples. The most prevalent serovars were Salmonella Kentucky (22.94%), Give (20.18%) and Typhimurium (7.34%). In this study, 66.97% of the isolates were resistant to at least one antimicrobial drug and 38.39% were multidrug resistant. The highest resistances were found in nalidixic acid (49.54%), ampicillin (30.28%), tetracycline (27.52%), amoxicillin (26.61%), ciprofloxacin (23.85) and norfloxacin (19.27%). The results showed high prevalence of Salmonella spp. in chickens and antimicrobial resistance patterns. Prevention and control of Salmonella contamination in chickens should be consumer healthy. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antimicrobial%20resistance" title="antimicrobial resistance">antimicrobial resistance</a>, <a href="https://publications.waset.org/abstracts/search?q=Salmonella%20spp." title=" Salmonella spp."> Salmonella spp.</a>, <a href="https://publications.waset.org/abstracts/search?q=chicken" title=" chicken"> chicken</a>, <a href="https://publications.waset.org/abstracts/search?q=slaughterhouse" title=" slaughterhouse"> slaughterhouse</a> </p> <a href="https://publications.waset.org/abstracts/102508/antimicrobial-resistance-patterns-of-salmonella-spp-isolate-from-chickens-at-slaughterhouses-in-northeast-of-thailand" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/102508.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">169</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">7144</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">203</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">7143</span> Recent Advancements and Future Trends in the Development of Antimicrobial Edible Films for Food Preservation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Raana%20Babadi%20Fathipour">Raana Babadi Fathipour</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Food packaging plays a crucial role in protecting food from unwanted external factors. Antibacterial edible films are a promising option for food packaging due to their biodegradability, environmental friendliness, and safety. This paper reviews recent research progress on antimicrobial edible films, focusing on those made from polysaccharides, proteins, and lipids. Polysaccharides and proteins are the primary components of antimicrobial edible films, while lipids primarily serve as plasticizers and carriers for active substances in composite films. For instance, second-generation liposomes have shown great potential as carriers for antimicrobial substances and other bioactive compounds due to their exceptional stability. Furthermore, this paper analyzes recent advancements and future trends in antimicrobial edible films. One promising direction is the integration of antimicrobial edible film materials with delivery systems, such as nanoemulsion and microencapsulation technologies, to ensure stable loading of bioactive substances. Another emerging area of interest is the development of smart and active packaging that allows consumers to assess the freshness of food products without opening the package. pH-sensitive films and smart fluorescent "on-off" sensors for humidity are currently being explored as materials for smart and active packaging to monitor food product freshness, with further exploration anticipated in the future. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antimicrobial%20edible%20film" title="antimicrobial edible film">antimicrobial edible film</a>, <a href="https://publications.waset.org/abstracts/search?q=biopolymer" title=" biopolymer"> biopolymer</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=encapsulation" title=" encapsulation"> encapsulation</a>, <a href="https://publications.waset.org/abstracts/search?q=antimicrobial%20assay" title=" antimicrobial assay"> antimicrobial assay</a> </p> <a href="https://publications.waset.org/abstracts/176779/recent-advancements-and-future-trends-in-the-development-of-antimicrobial-edible-films-for-food-preservation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/176779.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">58</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">7142</span> Development of Antimicrobial Properties Nutraceuticals: Gummy Candies with Addition of Bovine Colostrum, Essential Oils and Probiotics </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=E.%20Bartkiene">E. Bartkiene</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Ruzauskas"> M. Ruzauskas</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20Lele"> V. Lele</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Zavistanaviciute"> P. Zavistanaviciute</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Bernatoniene"> J. Bernatoniene</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20Jakstas"> V. Jakstas</a>, <a href="https://publications.waset.org/abstracts/search?q=L.%20Ivanauskas"> L. Ivanauskas</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20Zadeike"> D. Zadeike</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20Klupsaite"> D. Klupsaite</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Viskelis"> P. Viskelis</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Bendoraitiene"> J. Bendoraitiene</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20Navikaite-Snipaitiene"> V. Navikaite-Snipaitiene</a>, <a href="https://publications.waset.org/abstracts/search?q=G.%20Juodeikiene"> G. Juodeikiene </a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, antimicrobial nutraceuticals; gummy candies (GC) from bovine colostrum (BC), essential oils (EOs), probiotic lactic acid bacteria (PLAB), and their combinations, were developed. For antimicrobial GC preparation, heteropolysaccharide (agar) was used. The antimicrobial properties of EOs (Eugenia caryophyllata, Thymus vulgaris, Citrus reticulata L., Citrus paradisi L.), BC, L. paracasei LUHS244, L. plantarum LUHS135, and their combinations against pathogenic bacteria strains (Streptococcus mutans, Enterococcus faecalis, Staphylococcus aureus, Salmonella enterica, Escherichia coli, Proteus mirabilis, and Pseudomonas aeruginosa) were evaluated. The highest antimicrobial properties by EO’s (Eugenia caryophyllata and Thymus vulgaris) were established. The optimal ingredients composition for antimicrobial GC preparation was established, which incorporate the BC fermented with L. paracasei LUHS244 in combination with Thymus vulgaris or Eugenia caryophyllata. These ingredients showed high inhibition properties of all tested pathogenic strains (except Pseudomonas aeruginosa). Antimicrobial GC formula consisting of thyme EO (up to 0.2%) and fermented BC (up to 3%), and for taste masking, mandarin or grapefruit EOs (up to 0.2%) was used. Developed GC high overall acceptability and antimicrobial properties, thus, antimicrobial GC could be a preferred form of nutraceuticals. This study was fulfilled with the support of the LSMU-KTU joint project. <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=bovine%20colostrum" title=" bovine colostrum"> bovine colostrum</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=gummy%20candy" title=" gummy candy"> gummy candy</a>, <a href="https://publications.waset.org/abstracts/search?q=probiotic" title=" probiotic"> probiotic</a> </p> <a href="https://publications.waset.org/abstracts/80287/development-of-antimicrobial-properties-nutraceuticals-gummy-candies-with-addition-of-bovine-colostrum-essential-oils-and-probiotics" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/80287.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">172</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">7141</span> Chemical Composition and Antimicrobial Activity of the Essential Oil of Mentha piperita Endemic in Khorasan-Iran</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=V.%20Hakimzadeh">V. Hakimzadeh</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Noori"> M. Noori</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20maleki"> M. maleki</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this study was to determine the composition and antimicrobial effect of Mentha piperita essential oil in "in-vitro" condition. The chemical composition of the essential oil obtained by hydro-distillation was examined by GC/MS and the antimicrobial effect was studied on the growth of seven microbial species including Bacillus cereus, Pseudomonas aeruginosa and Proteus vulgaris using micro-dilution method. The minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) were determined. Chemical composition analysis identified a total of 28 compounds in which the main components were menthol (32%), mentone (13.4), menthyl acetate (12%), 1,8-cineole (8.2%) and neomenthol (4%) representing 69.6 % of the total oil. Other separated components accounted for less than 30.4% of the oil. Results of antimicrobial analysis showed that the MIC values for Bacillus cereus, Pseudomonas aeruginosa and Proteus vulgaris was respectively 50, 200 and 100 µg/ml and the MBC was determined at 200, 400 and 200 µg/ml respectively. The results of the present study indicated that Mentha piperita essential oil had significant antimicrobial activity. <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%20composition" title=" essential oil composition"> essential oil composition</a>, <a href="https://publications.waset.org/abstracts/search?q=Mentha%20piperita" title=" Mentha piperita"> Mentha piperita</a> </p> <a href="https://publications.waset.org/abstracts/11605/chemical-composition-and-antimicrobial-activity-of-the-essential-oil-of-mentha-piperita-endemic-in-khorasan-iran" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11605.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">528</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">7140</span> Antioxidant and Antimicrobial Properties of Twenty Medicinal Plants</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20Krimat">S. Krimat</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20Dob"> T. Dob</a>, <a href="https://publications.waset.org/abstracts/search?q=L.%20Lamari"> L. Lamari</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Metidji"> H. Metidji</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this study is to evaluate the antioxidant and antimicrobial activity of hydromethanolic extract of selected Algerian medicinal flora. The antioxidant activity of extract was evaluated in terms of radical scavenging potential (DPPH) and β-carotene bleaching assay. Total phenolic contents and flavonoid contents were also measured. Antimicrobial activity of these plants was tested against five microorganisms Pseu-domonas aeruginosa Bacillus subtilis, Escherichia coli, Staphylococcus aureus, and Candida albicans. The results showed that Pistacia lentiscus showed the highest antioxidant capacities using DPPH assay (IC50 = 4.60 μg/ml), while Populus trimula had the highest antioxidant activity in β-carotene/linolaic acid assay. The most interesting antimicrobial activity was obtained from Sysimbrium officinalis, Rhamnus alaternus, Origanum glandulosum, Cupressus sempervirens, Pinus halipensis and Centaurea calcitrapa. The results indicate that the plants tested may be potential sources for isolation of natural antioxidant and antimicrobial compounds. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Algerian%20medicinal%20plants" title="Algerian medicinal plants">Algerian medicinal plants</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=antioxidant%20activity" title=" antioxidant activity"> antioxidant activity</a>, <a href="https://publications.waset.org/abstracts/search?q=disc%20diffusion%20method" title=" disc diffusion method"> disc diffusion method</a> </p> <a href="https://publications.waset.org/abstracts/53185/antioxidant-and-antimicrobial-properties-of-twenty-medicinal-plants" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/53185.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">348</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%20evaluation&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=antimicrobial%20evaluation&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=antimicrobial%20evaluation&page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=antimicrobial%20evaluation&page=5">5</a></li> 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