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purpureus</title> <meta name="description" content="Search results for: Monascus purpureus"> <meta name="keywords" content="Monascus purpureus"> <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 class="d-block d-lg-none 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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="Monascus purpureus"> <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> 10</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Monascus purpureus</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">10</span> Antioxidant and Anticancer Activities of Ethanolic Extract from Monascus purpureus</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Pourshirazi">M. Pourshirazi</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Esmaelifar"> M. Esmaelifar</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Aliahmadi"> A. Aliahmadi</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20Yazdian"> F. Yazdian</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20S.%20Hatamian%20Zarami"> A. S. Hatamian Zarami</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20J.%20Ashrafi"> S. J. Ashrafi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Medicinal fungi are the new potential source of drugs to improve the treatment of diseases with association to oxidative agents such as cancers. Monascus purpureus contains functional components potentially effective in improving human health. In the present work, ethanolic extract of Monascus purpureus (EEM) was evaluated for health improving potential mainly focusing on antioxidant and anticancer activities. Ferric ion reducing power (FRAP), scavenging of DPPH radicals and determining viability of breast carcinoma MCF-7 and cervical carcinoma HeLa cells with MTT assay were evaluated. Our data showed a significant antioxidant activity of EEM with 142.45 µg/ml inhibition concentration of 50% DPPH radicals and 2112.33 µg eq.Fe2+/mg extract of FRAP assay. These results might be caused by antioxidant components such as pigments and phenolic compounds. Further, the results demonstrated that EEM caused significant reduction in the viability of MCF-7 with IC50 of 7 µg/ml but not have good effect against viability of HeLa cells. Accordingly, Monascus purpureus is presented as a strong potential of breast cancer treatment. In further study, the mechanistic studies are needed to determine the mechanisms of anticancer activity of EEM. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Monascus%20purpureus" title="Monascus purpureus">Monascus purpureus</a>, <a href="https://publications.waset.org/abstracts/search?q=antioxidant" title=" antioxidant"> antioxidant</a>, <a href="https://publications.waset.org/abstracts/search?q=cancer" title=" cancer"> cancer</a>, <a href="https://publications.waset.org/abstracts/search?q=ethanolic%20extract" title=" ethanolic extract"> ethanolic extract</a> </p> <a href="https://publications.waset.org/abstracts/9514/antioxidant-and-anticancer-activities-of-ethanolic-extract-from-monascus-purpureus" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/9514.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">9</span> Comparison of Filamentous Fungus (Monascus purpureus)Growth in Submerged and Solid State Culture</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shafieeh%20Mansoori">Shafieeh Mansoori</a>, <a href="https://publications.waset.org/abstracts/search?q=Fatemeh%20Yazdian"> Fatemeh Yazdian</a>, <a href="https://publications.waset.org/abstracts/search?q=Ashrafsadat%20Hatamian"> Ashrafsadat Hatamian</a>, <a href="https://publications.waset.org/abstracts/search?q=Majid%20Azizi"> Majid Azizi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Monascus purpureus, which has a special metabolite with many therapeutic and medicinal properties including antioxidant, antibiotic, anti-hypercholesterolemia, and immunosuppressive properties, is a traditional Chinese fermentation fungus and is used as a natural dietary supplement. Production of desired metabolites actually determined by optimized growth which is supported by some factors such as substrates and Monascus strains type, moisture content of the fermentation mixture, aeration, and control of contamination issues. In this experiment, M. purpureus PTCC5305 was cultured in both the liquid and solid culture medium. The former medium contain YMP (yeast extract, maltose and peptone), PGC (peptone, glucose complex), and GYP (glucose, yeast extract and peptone) medium. After 8 days, the best medium for the cell production was PGC agar medium on solid culture with 0.28 g dry weight of cell mass whereas the best liquid culture was GYP medium with 3.5 g/l dry weight of cell mass. The lowest cell production was on YMP agar with 0.1 g dry weight of cell mass and then YMP medium with 2.5 g/l dry cell weight. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Monascus%20purpureus" title="Monascus purpureus">Monascus purpureus</a>, <a href="https://publications.waset.org/abstracts/search?q=solid%20state%20fermentation" title=" solid state fermentation"> solid state fermentation</a>, <a href="https://publications.waset.org/abstracts/search?q=submerged%20culture" title=" submerged culture"> submerged culture</a>, <a href="https://publications.waset.org/abstracts/search?q=Chinese%20fermentation%20fungus" title=" Chinese fermentation fungus"> Chinese fermentation fungus</a> </p> <a href="https://publications.waset.org/abstracts/2598/comparison-of-filamentous-fungus-monascus-purpureusgrowth-in-submerged-and-solid-state-culture" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/2598.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">407</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">8</span> Investigation of Growth Yield and Antioxidant Activity of Monascus purpureus Extract Isolated from Stirred Tank Bioreactor</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Pourshirazi">M. Pourshirazi</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Esmaelifar"> M. Esmaelifar</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Aliahmadi"> A. Aliahmadi</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20Yazdian"> F. Yazdian</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20S.%20Hatamian%20Zarami"> A. S. Hatamian Zarami</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20J.%20Ashrafi"> S. J. Ashrafi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Monascus purpureus is an antioxidant-producing fungus whose secondary metabolites can be used in drug industries. The growth yield and antioxidant activity of extract were investigated in 3-L liquid fermentation media in a 5-L stirred tank bioreactor (STD) at 30°C, pH 5.93 and darkness for 4 days with 150 rpm agitation and 40% dissolved oxygen. Results were compared to extract isolated from Erlenmeyer flask with the same condition. The growth yield was 0.21 and 0.17 in STD condition and Erlenmeyer flask, respectively. Furthermore, the IC50 of DPPH scavenging activity was 256.32 µg/ml and 150.43 µg/ml for STD extract and flask extract, respectively. Our data demonstrated that transferring the growth condition into the STD caused an increase in growth yield but not in antioxidant activity. Accordingly, there is no relationship between growth rate and secondary metabolites formation. More studies are needed to determine the mass transfer coefficient and also evaluating the hydrodynamic condition have to be done in the future studies. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Monascus%20purpureus" title="Monascus purpureus">Monascus purpureus</a>, <a href="https://publications.waset.org/abstracts/search?q=bioreactor" title=" bioreactor"> bioreactor</a>, <a href="https://publications.waset.org/abstracts/search?q=antioxidant" title=" antioxidant"> antioxidant</a>, <a href="https://publications.waset.org/abstracts/search?q=growth%20yield" title=" growth yield"> growth yield</a> </p> <a href="https://publications.waset.org/abstracts/9632/investigation-of-growth-yield-and-antioxidant-activity-of-monascus-purpureus-extract-isolated-from-stirred-tank-bioreactor" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/9632.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">404</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">7</span> Optimization of Monascus Orange Pigments Production Using pH-Controlled Fed-Batch Fermentation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Young%20Min%20Kim">Young Min Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Deokyeong%20Choe"> Deokyeong Choe</a>, <a href="https://publications.waset.org/abstracts/search?q=Chul%20Soo%20Shin"> Chul Soo Shin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Monascus pigments, commonly used as a natural colorant in Asia, have many biological activities, such as cholesterol level control, anti-obesity, anti-cancer, and anti-oxidant, that have recently been elucidated. Especially, amino acid derivatives of Monascus pigments are receiving much attention because they have higher biological activities than original Monascus pigments. Previously, there have been two ways to produce amino acid derivatives: one-step production and two-step production. However, the one-step production has low purity, and the two-step production—precursor(orange pigments) fermentation and derivatives synthesis—has low productivity and growth rate during its precursor fermentation step. In this study, it was verified that pH is a key factor that affects the stability of orange pigments and the growth rate of Monascus. With an optimal pH profile obtained by pH-stat fermentation, we designed a process of precursor(orange pigments) fermentation that is a pH-controlled fed-batch fermentation. The final concentration of orange pigments in this process increased to 5.5g/L which is about 30% higher than the concentration produced from the previously used precursor fermentation step. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cultivation%20process" title="cultivation process">cultivation process</a>, <a href="https://publications.waset.org/abstracts/search?q=fed-batch%20fermentation" title=" fed-batch fermentation"> fed-batch fermentation</a>, <a href="https://publications.waset.org/abstracts/search?q=monascus%20pigments" title=" monascus pigments"> monascus pigments</a>, <a href="https://publications.waset.org/abstracts/search?q=pH%20stability" title=" pH stability"> pH stability</a> </p> <a href="https://publications.waset.org/abstracts/55435/optimization-of-monascus-orange-pigments-production-using-ph-controlled-fed-batch-fermentation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/55435.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">298</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">6</span> Effect of Rice Vinegar Containing Monascus-Fermented Soybean on Cosmeceutical Functionality</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kyung-Soon%20Choi">Kyung-Soon Choi</a>, <a href="https://publications.waset.org/abstracts/search?q=Young-Hee%20Pyo"> Young-Hee Pyo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A cosmeceutical is a cosmetic product the active ingredient of which is meant to have a beneficial physiological effect resulting from an enhanced pharmacological action when compared to an inert cosmetic. Cosmeceutical potentials of unpolished rice vinegars containing different amount of Monascus-fermented soybean powder (soy-koji) were investigated. Four different vinegar types were prepared using 0, 10, 30, and 50% soy-koji addition. Soy-koji vinegar showed stronger cosmeceutical properties, in terms of tyrosinase and elastase inhibitory activities as well as antioxidant capacities than unpolished rice vinegars (P<0.05). The bioactive effects of soy koji vinegar increased with the increased concentrations of total phenolics and isoflavone aglycones(P<0.05). Results indicate that unpolished rice vinegar supplemented with soy-koji can be an efficient strategy to improve bioactivities in vinegar with associated enhancement of cosmeceutical functionality. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cosmeceutical%20potentials" title="cosmeceutical potentials">cosmeceutical potentials</a>, <a href="https://publications.waset.org/abstracts/search?q=isoflavone%20aglycone" title=" isoflavone aglycone"> isoflavone aglycone</a>, <a href="https://publications.waset.org/abstracts/search?q=soy-koji%20vinegar" title=" soy-koji vinegar"> soy-koji vinegar</a>, <a href="https://publications.waset.org/abstracts/search?q=Monascus%20sp." title=" Monascus sp."> Monascus sp.</a> </p> <a href="https://publications.waset.org/abstracts/43222/effect-of-rice-vinegar-containing-monascus-fermented-soybean-on-cosmeceutical-functionality" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43222.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">536</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">5</span> Improvement of Monacolin K. and Decreasing of Citrinin Content in Korkor 6 (RD 6) Red Yeast Rice </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Emon%20Chairote">Emon Chairote</a>, <a href="https://publications.waset.org/abstracts/search?q=Panatda%20Jannoey"> Panatda Jannoey</a>, <a href="https://publications.waset.org/abstracts/search?q=Griangsak%20Chairote"> Griangsak Chairote</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A strain of Monascus purpureus CMU001 was used to prepared red yeast rice from Thai glutinous rice Korkor 6 (RD 6). Adding of different amounts of histidine (156, 312, 625, and 1250 mg in 100 g of rice grains)) under aerobic and air limitation (air-lock) condition were used in solid fermentation. Determination of the yield as well as monacolin K content was done. Citrinin content was also determined in order to confirm the safety use of prepared red yeast rice. It was found that under air-lock condition with 1250 mg of histidine addition gave the highest yield of 37.40 g of dried red yeast rice prepared from 100 g of rice. Highest 5.72 mg content of monacolin K was obtained under air-lock condition with 312 mg histidine addition. In the other hand, citrinin content was found to be less than 24462 ng/g of all dried red yeast rice samples under the experimental methods used in this work. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=red%20yeast%20rice" title="red yeast rice">red yeast rice</a>, <a href="https://publications.waset.org/abstracts/search?q=Thai%20glutinous%20rice" title=" Thai glutinous rice"> Thai glutinous rice</a>, <a href="https://publications.waset.org/abstracts/search?q=monacolin%20K." title=" monacolin K."> monacolin K.</a>, <a href="https://publications.waset.org/abstracts/search?q=citrinin" title=" citrinin"> citrinin</a> </p> <a href="https://publications.waset.org/abstracts/14323/improvement-of-monacolin-k-and-decreasing-of-citrinin-content-in-korkor-6-rd-6-red-yeast-rice" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14323.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">247</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">4</span> Effects of Microbial Biofertilization on Nodulation, Nitrogen Fixation, and Yield of Lablab purpureus</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Benselama%20Amel">Benselama Amel</a>, <a href="https://publications.waset.org/abstracts/search?q=Ounane%20S.%20Mohamed"> Ounane S. Mohamed</a>, <a href="https://publications.waset.org/abstracts/search?q=Bekki%20Abdelkader"> Bekki Abdelkader</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A collection of 20 isolates from fresh Nodules of the legume plant Lablab purpureus was isolated. These isolates have been authenticated by seedling inoculation grown in jars containing sand. The results obtained after two months of culture have revealed that the 20 isolates (100% of the isolates) are able to nodulate their host plants. The results obtained were analyzed statistically by ANOVA using the software statistica and had shown that the effect of the inoculation has significantly improved all the growth parameters (the height of the plant and the dry weight of the aerial parts and roots, and the number of nodules). We have evaluated the tolerance of all strains of the collection to the major stress factors as the salinity, pH and extreme temperature. The osmotolerance reached a concentration up to 1710mm of NaCl. The strains were also able to grow on a wide range of pH, ranging from 4.5 to 9.5, and temperature, between 4°C and 40°C. Also, we tested the effect of the acidity, aluminum and ferric deficit on the Lablab-rhizobia symbiosis. Lablab purpureus has not been affected by the presence of high concentrations of aluminum. On the other hand, iron deficiency has caused a net decrease in the dry biomass of the aerial part. The results of all the phenotypic characters have been treated by the statistical Minitab software, the numerical analysis had shown that these bacterial strains are divided into two distinct groups at a level of similarity of 86 %. The SDS-PAGE was carried out to determine the profile of the total protein of the strains. The coefficients of similarity of polypeptide bands between the isolates and strains reference (Bradyrhizobium, Mesorizobium sp.) confirm that our strain belongs to the groups of rhizobia. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=SDS-PAGE" title="SDS-PAGE">SDS-PAGE</a>, <a href="https://publications.waset.org/abstracts/search?q=rhizobia" title=" rhizobia"> rhizobia</a>, <a href="https://publications.waset.org/abstracts/search?q=symbiosis" title=" symbiosis"> symbiosis</a>, <a href="https://publications.waset.org/abstracts/search?q=phenotypic%20characterization" title=" phenotypic characterization"> phenotypic characterization</a>, <a href="https://publications.waset.org/abstracts/search?q=Lablab%20purpureus" title=" Lablab purpureus"> Lablab purpureus</a> </p> <a href="https://publications.waset.org/abstracts/17118/effects-of-microbial-biofertilization-on-nodulation-nitrogen-fixation-and-yield-of-lablab-purpureus" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/17118.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">306</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">3</span> Effect of Acetic Acid Fermentation on Bioactive Components and Anti-Xanthine Oxidase Activities in Vinegar Brewed from Monascus-Fermented Soybeans</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kyung-Soon%20Choi">Kyung-Soon Choi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ji-Young%20Hwang"> Ji-Young Hwang</a>, <a href="https://publications.waset.org/abstracts/search?q=Young-Hee%20Pyo"> Young-Hee Pyo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Vinegars have been used as an alternative remedy for treating gout, but the scientific basis remains to be elucidated. In this study, acetic acid fermentation was applied for the first time to Monascus-fermented soybeans to examine its effect on the bioactive components together with the xanthine oxidase inhibitory (XOI) activity of the soy vinegar. The content of total phenols (0.47~0.97 mg gallic acid equivalents/mL) and flavonoids (0.18~0.39 mg quercetin equivallents/mL) were spectrophotometrically determined, and the content of organic acid (10.22~59.76 mg/mL) and isoflavones (6.79~7.46 mg/mL) were determined using HPLC-UV. The analytical method for ubiquinones (0.079~0.276 μg/mL) employed saponification before solvent extraction and quantification using LC-MS. Soy vinegar also showed significant XOI (95.3%) after 20 days of acetic acid fermentation at 30 °C. The results suggest that soy vinegar has potential as a novel medicinal food. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=acetic%20acid%20fermentation" title="acetic acid fermentation">acetic acid fermentation</a>, <a href="https://publications.waset.org/abstracts/search?q=bioactive%20component" title=" bioactive component"> bioactive component</a>, <a href="https://publications.waset.org/abstracts/search?q=soy%20vinegar" title=" soy vinegar"> soy vinegar</a>, <a href="https://publications.waset.org/abstracts/search?q=xanthine%20oxidase%20inhibitory%20activity" title=" xanthine oxidase inhibitory activity"> xanthine oxidase inhibitory activity</a> </p> <a href="https://publications.waset.org/abstracts/66060/effect-of-acetic-acid-fermentation-on-bioactive-components-and-anti-xanthine-oxidase-activities-in-vinegar-brewed-from-monascus-fermented-soybeans" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/66060.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">383</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">2</span> Study of Microbial Diversity Associated with Tarballs and Their Exploitation in Crude Oil Degradation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Varsha%20Shinde">Varsha Shinde</a>, <a href="https://publications.waset.org/abstracts/search?q=Belle%20Damodara%20Shenoy"> Belle Damodara Shenoy</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Tarballs are crude oil remnants found in oceans after long term weathering process and are a global concern since several decades as potential marine pollutant. Being complicated in structure microbial remediation of tarballs in natural environment is a slow process. They are rich in high molecular weight alkanes and poly aromatic hydrocarbons which are resistant to microbial attack and other environmental factors, therefore remain in environment for long time. However, it has been found that many bacteria and fungi inhabit on tarballs for nutrients and shelter. Many of them are supposed to be oil degraders, while others are supposed to be getting benefited by byproducts formed during hydrocarbon metabolism. Thus tarballs are forming special interesting ecological niche of microbes. This work aimed to study diversity of bacteria and fungi from tarballs and to see their potential application in crude oil degradation. The samples of tarballs were collected from Betul beach of south Goa (India). Different methods were used to isolate culturable fraction of bacteria and fungi from it. Those were sequenced for 16S rRNA gene and ITS for molecular level identification. The 16S rRNA gene sequence analysis revealed the presence of 13 bacterial genera/clades (Alcanivorax, Brevibacterium, Bacillus, Cellulomonas, Enterobacter, Klebsiella, Marinobacter, Nitratireductor, Pantoea, Pseudomonas, Pseudoxanthomonas, Tistrella and Vibrio), while the ITS sequence analysis placed the fungi in 8 diverse genera/ clades (Aspergillus, Byssochlamys, Monascus, Paecilomyces, Penicillium, Scytalidium/ Xylogone, Talaromyces and Trichoderma). All bacterial isolates were screened for oil degradation capacity. Potential strains were subjected to crude oil degradation experiment for quantification. Results were analyzed by GC-MS-MS. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bacteria" title="bacteria">bacteria</a>, <a href="https://publications.waset.org/abstracts/search?q=biodegradation" title=" biodegradation"> biodegradation</a>, <a href="https://publications.waset.org/abstracts/search?q=crude%20oil" title=" crude oil"> crude oil</a>, <a href="https://publications.waset.org/abstracts/search?q=diversity" title=" diversity"> diversity</a>, <a href="https://publications.waset.org/abstracts/search?q=fungi" title=" fungi"> fungi</a>, <a href="https://publications.waset.org/abstracts/search?q=tarballs" title=" tarballs"> tarballs</a> </p> <a href="https://publications.waset.org/abstracts/78614/study-of-microbial-diversity-associated-with-tarballs-and-their-exploitation-in-crude-oil-degradation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/78614.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">221</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">1</span> Quantifying Rumen Enteric Methane Production in Extensive Production Systems</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Washaya%20Soul">Washaya Soul</a>, <a href="https://publications.waset.org/abstracts/search?q=Mupangwa%20John"> Mupangwa John</a>, <a href="https://publications.waset.org/abstracts/search?q=Mapfumo%20Lizwell"> Mapfumo Lizwell</a>, <a href="https://publications.waset.org/abstracts/search?q=Muchenje%20Voster"> Muchenje Voster</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Ruminant animals contribute a considerable amount of methane to the atmosphere, which is a cause of concern for global warming. Two studies were conducted in beef and goats where the studies aimed to determine the enteric CH₄ levels from a herd of beef cows raised on semi-arid rangelands and to evaluate the effect of supplementing goats with forage legumes: Vigna unguiculata and Lablab purpureus on enteric methane production. A total of 24 cows were selected from Boran and Nguni cows (n = 12 per breed) from two different farms; parity (P1 – P4) and season (dry vs. wet) were considered predictor variables in the first experiment. Eighteen goats (weaners, 9 males, 9 females) were used, in which sex and forage species were predictor variables in the second experiment. Three treatment diets were used in goats. Methane was measured using a Laser methane detector [LMD] for six consecutive days and repeated once after every three months in beef cows and once every week for 6 weeks in goats during the post-adaptation period. Parity and breed had no effects on CH₄ production in beef cows; however, season significantly influenced CH₄ outputs. Methane production was higher (P<0.05) in the dry compared to the wet season, 31.1CH₄/DMI(g/kg) and 28.8 CH₄/DMI(g/kg) for the dry and wet seasons, respectively. In goats, forage species and sex of the animal affected enteric methane production (P<0.05). Animals produce more gas when ruminating than feeding or just standing for all treatments. The control treatment exhibited higher (P<0.05) methane emissions per kg of DMI. Male goats produced more methane compared to females (17.40L/day; 12.46 g/kg DMI and 0.126g/day) versus (15.47L/day, 12.28 g/kg DMI, 0.0109g/day) respectively. It was concluded that cows produce more CH₄/DMI during the dry season, while forage legumes reduce enteric methane production in goats, and male goats produce more gas compared to females. It is recommended to introduce forage legumes, particularly during the dry season, to reduce the amount of gas produced. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=beef%20cows" title="beef cows">beef cows</a>, <a href="https://publications.waset.org/abstracts/search?q=extensive%20grazing%20system" title=" extensive grazing system"> extensive grazing system</a>, <a href="https://publications.waset.org/abstracts/search?q=forage%20legumes" title=" forage legumes"> forage legumes</a>, <a href="https://publications.waset.org/abstracts/search?q=greenhouse%20gases" title=" greenhouse gases"> greenhouse gases</a>, <a href="https://publications.waset.org/abstracts/search?q=goats%20Laser%20methane%20detector." title=" goats Laser methane detector."> goats Laser methane detector.</a> </p> <a href="https://publications.waset.org/abstracts/163252/quantifying-rumen-enteric-methane-production-in-extensive-production-systems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/163252.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">66</span> </span> </div> </div> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About <li><a href="https://waset.org/page/support">About Us</a></li> <li><a href="https://waset.org/page/support#legal-information">Legal</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/WASET-16th-foundational-anniversary.pdf">WASET celebrates its 16th foundational anniversary</a></li> </ul> </div> <div class="col-md-2"> <ul class="list-unstyled"> Account <li><a href="https://waset.org/profile">My Account</a></li> </ul> </div> <div class="col-md-2"> 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