식물유래 생리활성물질의 병원성 미생물 및 반추위 미생물 활성에 대한 영향
Effects of Plant-origin Biological Active Materials on the Activities of Pathogenic Microbes and Rumen Microbes
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식물유래 생리활성물질인 garlic, scallion, fla- vonoid, urushiol 및 anthocyanidin과 기존의 항균 제품인 Bio-MOS?瑛? 병원성 미생물과 반추위 미생물에 대한 효과를 조사하기 위하여 병원성 균인 Escherichia coli O157, Salmonella paratyphi, Listeria monocytogenes, Staphylococcus aureus에 항균활성과 in vitro 반추위 미생물 성장률, 가스 생성량, 암모니아 농도, CMCase 활성 및 미생물 수를 측정하였다. 생리활성물질 0.10% 첨가 후, 배양시험에서는 flavonoid, scallion 및 Bio-MOS?怜? 병원성 미생물의 성장을 억제하였으나, paper disc법에 의한 항균활성 시험에서는 flavonoid나 scallion을 5.00%이상 처리 시 clear zone이 뚜렷하였으며, scallion이 가장 강력한 항균활성을 가지고 있는 것으로 나타났다. 생리활성물질의 in vitro 반추위 미생물 발효에 대한 영향은 크지 않았는데, 병원균에 활성을 나타내었던 flavonoid는 1.00% 처리 시 CMCase의 활성이 완전히 없어져 반추위 미생물에 대한 억제효과가 있는 것으로 나타났다. 그러나 scallion은 병원균에는 강한 항균활성을 가지면서 반추위 미생물 발효에는 저해작용을 나타내지 않아 반추 가축의 대체 천연항균제로서 개발 가능성을 나타내었다.
Abstract
In order to know the effects of Garlic, Scallion, Flavonoid, Urushiol, Anthocyanidin and Bio-MOS?? on pathogenic microbes and rumen anaerobic microbes, the growth rate of pathogens (including Escherichia coli O157, Salmonella paratyphi, Listeria monocytogenes and Staphylococcus aureus) and in vitro rumen microbial growth, gas production, ammonia concentration, carboxymethylcellulase(CMCase) activity, and microbial populations were investigated.The growth of pathogens was inhibited by supplementation of 0.1% Flavonoid, Scallion or Bio-MOS?? as biological active materials. And Scallion and Flavonoid had powerful antimicrobial properties on the pathogens applied in paper disc method.Although few effects by biological active materials disappeared in rumen fermentation in vitro, CMCase activity removed with supplementation of 1% of Flavonoid which had antimicrobial property in paper disc method. Scallion, having powerful antimicrobial property on pathogens and no inhibiting on rumen fermentation, might be a source in development of natural antimicrobial agent for ruminants.
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