Microbial Conversion of Ginsenoside $Rb_1$ to Minor Ginsenoside $F_2$ and Gypenoside XVII by Intrasporangium sp. GS603 Isolated from Soil

A new strain, GS603, having ${\beta}$-glucosidase activity was isolated from soil of a ginseng field, and its ability to convert major ginsenoside $Rb_1$ to minor ginsenoside or gypenoside was studied. Strain GS603 was identified as an Intrasporangium species by phylogenetic analysis and showed high...

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Veröffentlicht in:Journal of microbiology and biotechnology 2007, Vol.17 (12), p.1937-1943
Hauptverfasser: Cheng, Le-Qin, Na, Ju-Ryun, Kim, Myung-Kyum, Bang, Myun-Ho, Yang, Deok-Chun
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Sprache:kor
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Zusammenfassung:A new strain, GS603, having ${\beta}$-glucosidase activity was isolated from soil of a ginseng field, and its ability to convert major ginsenoside $Rb_1$ to minor ginsenoside or gypenoside was studied. Strain GS603 was identified as an Intrasporangium species by phylogenetic analysis and showed high ginsenoside-converting activity in LB and TSA broth but not in nutrient broth. The culture broth of the strain GS603 could convert ginsenoside $Rb_1$i into two metabolites, which were analyzed by TLC and HPLC and shown to be the minor ginsenoside $F_2$ and gypenoside XVII by NMR.
ISSN:1017-7825
1738-8872