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KMID : 0380020100250030244
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Korean Journal of Biotechnology and Bioengineering
2010 Volume.25 No. 3 p.244 ~ p.250
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Characterization and Anti-Helicobactor pylori Activity of Xanthium strumarium L. extract Lactic acid Fermentation
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Kang Dong-Hee
Kim Hyun-Soo
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Abstract
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This study characterized the anti-Helicobactor pylori activity of Xanthium strumarium L. extract obtained by lactic acid fermentation. The growth of the Lactobacillus strains was typically robust upon lactic acid production in monocultures containing Xanthium strumarium L. extract. Lactic acid fermentation in mixed cultures of Lactobacillus brevis KCTC 3498 and Lactobacillus casei KCTC 3109 produced higher of anti- H. pylori activity than monocultures. Concerning antioxidant activity of fermented extracts, total polyphenol contents were the highest in co-cultures of Lactobacillus brevis KCTC 3498 and Lactobacillus helveticus KCTC 3545. Electron donating ability using diphenyl picryl hydrazyl (DPPH) showed 70% scavenging in Lactobacillus casei KCTC 3109.
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KEYWORD
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Helicobactor pylori, Xanthium strumarium L., Anti-Helicobactor pylori activity, Lactic acid fermentation, Antioxidant activity
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