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- W18048562 startingPage "491" @default.
- W18048562 abstract "본 실험에서는 lactobacilli와 bifidobacteria에 의한 E. coli와 S. typhimurium에 대한 생육 억제능을 조사 하였다. 생육억제활성은 well disc assay와 turbidimetry method로 측정하여 비교하였다. 시험균주 10종 중에서 두 가지 방법 모두 평균적으로 높은 항균 활성을 나타낸 균주는 L. acidophilus La-5, L. acidophilus NCFM와 L. casei Lc-01인 것으로 나타났다. 선택된 3가지 유산균과 대표적 enteropathogen인 E. coli와 S. typhimurium을 각각의 혼합 배양하여 생균수를 측정한 결과 병원성균 생육억제는 생균수가 급격히 감소하는 배양 9시간 이후부터 나타났으며 30시간 혼합배양 후에는 병원성균의 생균수는 거의 존재하지 않았다. 실험결과 유산균의 항균활성은 pH 저하 만에 의한 것이 아니었고 유산균의 종류에 따라 생육억제활성에 차이가 있었다. The inhibitory effect of lactobacilli and bifidobacteria on the growth of typical intestinal pathogens, Escherichia coli and Salmonella typhimurium was studied. The degree of inhibition was measured by well disc assay and turbidimetry method. The strains which showed the higher antimicrobial activity were L. acidophilus La-5, L. acidophilus NCFM, L. casei Lc-01 on the average by using two different methods. The associative cultures were performed with selected 3 lactobacilli and 2 enteropathogens E. coli and S. typhimurium, respectively. Inhibition of pathogen began at 9hr after culturing so that viable counts was decreased rapidly. After 30hr incubation, there were no viable pathogens from the mixed culture. Under this experimental condition, the antimicrobial activity of lactic acid bacteria was not due to pH alone and supposed to different to the strains." @default.
- W18048562 created "2016-06-24" @default.
- W18048562 date "2002-08-31" @default.
- W18048562 modified "2023-09-27" @default.
- W18048562 title "A Study on Growth Inhibition of Escherichia coli and Salmonella typhimurium by Lactic Acid Bacteria" @default.
- W18048562 cites W1980900837 @default.
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- W18048562 doi "https://doi.org/10.5187/jast.2002.44.4.491" @default.
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