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KMID : 0545120060160101629
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Journal of Microbiology and Biotechnology
2006 Volume.16 No. 10 p.1629 ~ p.1633
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Differential Transformation of Ginsenosides from Panax ginseng by Lactic Acid Bacteria
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Chi Hyun
Lee Bo-Hyun
You Hyun-Ju
Park Myung-Soo
Ji Geun-Eog
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Abstract
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Ginsenosides have been regarded as the principal components responsible for the pharmacological and biological activities of ginseng. The transformation of ginsenosides with live lactic acid bacteria transformed ginsenosides Rb2 and Rc into Rd, but the reactions were slow. When the crude enzymes obtained from several lactic acid bacteria were used for transformation, those from Bifidobacterium sp. Int57 exhibited the most potent transforming activity of ginsenosides to compound K. In comparison, a relatively higher level of Rh2 was produced by the enzymes from Lactobacillus delbrueckii and Leuconostoc mesenteroides. These results suggest that it is feasible to develop a specific bioconversion process to obtain specific ginsenosides using the appropriate combination of ginsenoside substrates and specific microbial enzymes.
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KEYWORD
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lactic acid bacteria, Ginsenosides, transformation
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