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KMID : 0352720100340030168
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Journal of Ginseng Research
2010 Volume.34 No. 3 p.168 ~ p.174
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Antioxidant Activity and Ginsenoside Pattern of Fermented White Ginseng
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Lim Seong-Il
Cho Chang-Won
Choi Ung-Kyu
Kim Young-Chan
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Abstract
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Ethanol and water extracts of white and fermented ginseng were prepared and their ginsenoside composition and antioxidant effects were assessed. The main ginsenosides in white ginseng were Rb₁ ＞ Re ＞ Rg₁, and those in fermented ginseng were Rb₂ + Rb₃ ＞ Rd ＞ Rg₁. Ginsenosides Rd and Rg3 in fermented ginseng were enriched 11 and 58 times, respectively, over that in white ginseng through fermentation with five Bacillus spp. The greatest levels of 2-deoxyribose and superoxide anion dismutase-like activities were found in 50% ethanol extracts of fermented ginseng. Thus, these data suggest that white ginseng has the greatest free radical scavenging activity and that fermented ginseng has the highest antioxidant activity.
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KEYWORD
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White ginseng, Fermented ginseng, Antioxidant, Ginsenosides
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