Changes in Ginsenoside Composition of White Ginseng by Fermentation

  • Ko, Sung-Kwon (Department of Oriental Medical Food and Nutrition, Semyung University) ;
  • Cho, Ok-Sun (Department of Oriental Medical Food and Nutrition, Semyung University) ;
  • Bae, Hye-Min (Department of Oriental Medical Food and Nutrition, Semyung University) ;
  • Yang, Byung-Wook (Korea Ginseng & Woods Grown Ginseng Institute, Chung Ang University) ;
  • Im, Byung-Ok (Korea Ginseng & Woods Grown Ginseng Institute, Chung Ang University) ;
  • Hahm, Young-Tae (Korea Ginseng & Woods Grown Ginseng Institute, Chung Ang University) ;
  • Kim, Kyung-Nam (HVLS Co., Ltd., Central Research Institute) ;
  • Cho, Soon-Hyun (HVLS Co., Ltd., Central Research Institute) ;
  • Kim, Jae-Young (HVLS Co., Ltd., Central Research Institute) ;
  • Chung, Sung-Hyun (College of Pharmacy, Kyung Hee University) ;
  • Lee, Boo-Yong (Graduate School of Complementary & Alternative Medicine, Pochon CHA University)
  • Published : 2009.02.28

Abstract

The purpose of the study was to develop a new process to manufacture ginseng extract containing saponin aglycon of high concentration. The process to transform saponin glycosides to saponin aglycon was analyzed by high performance liquid chromatography (HPLC). GCK-1 (open cultured mixture for 1 day at $42^{\circ}C$) had the highest content of protopanaxadiol (0.662%). However, other mixtures (GCK-2, 3, 4, 5, and 6) had less than 0.152% in the content of protopanaxadiol. In case of fermentation by inoculation of Bacillus natto, BNG-5 (B. natto inoculated mixture for 5 days at $42^{\circ}C$) showed the highest content of protopanaxadiol (0.364%). Other mixtures (BNG-1, 2, 3, 4, and 6) also showed the high content of more than 0.2% in protopanaxadiol. B. natto inoculation or open culture fermentation with soybean transformed ginseng saponin glycosides into saponin aglycon.

Keywords

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