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KMID : 0364820080440040358
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Korean Journal of Microbiology
2008 Volume.44 No. 4 p.358 ~ p.361
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Effect of Extract of Fermented Dropwort on Intestinal Bacteria and Enzymes In Vitro
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Lee Kyung-Ae
Cho Hong-Bum
Kim Moo-Sung
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Abstract
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Effect of extract of fermented dropwort (Oenanthe stolonifera) on growth of intestinal harmful/useful bacteria and enzyme activity were investigated in vitro. The extract showed strong inhibition on harmful microbes including Vibrio and Salmonella, but mild inhibition on Bifidobacterium longum in both agar plate and liquid cultivation. Minimum inhibitory concentration (MIC) value of B. longum was the highest among tested microbes. Inhibition effect of fermented extract on harmful microbes increased according to fermentation period. Extract of fermented dropwort showed inhibitory effects on activity of microbial β-glucuronidase and tryptophanase. The inhibitory effects were also proportional to fermentation period. As consequence, it is assumed that the uptake of fermented dropwort might be useful for human intestinal health.
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KEYWORD
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β-glucuronidase, fermentation, intestinal bacteria, Oenanthe stolonifera, tryptophanase
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