期刊
JOURNAL OF GINSENG RESEARCH
卷 35, 期 3, 页码 301-307出版社
KOREAN SOC GINSENG
DOI: 10.5142/jgr.2011.35.3.301
关键词
Intestinal microflora; Metabolism; Ginsenoside Rb-1; Ginsenoside Rg(1); Pharmacological effect
资金
- Korean Food and Drug Administration [09172 KFDA996]
To evaluate the difference in expressing pharmacological effects of ginseng by intestinal microflora between Koreans, metabolic activities of ginseng, ginsenoside Rb-1 and Rg(1) by 100 fecal specimens were measured. The beta-glucosidase activity for beta-nitrophenyl-beta-D-glucopyranoside was 0 to 0.42 mu mol/min/mg and its average activity (mean+/-SD) was 0.10+/-0.07 pmol/min/mg. The metabolic activities of ginsenosides Rb-1 and Rg(1) were 0.01 to 0.42 and 0.01 to 0.38 pmol/min/mg, respectively. Their average activities were 0.25+/-0.08 and 0.15+/-0.09 pmol/min/mg, respectively. The compound K-forming activities from ginsenoside Rb-1 and ginseng extract were 0 to 0.11 and 0 to 0.02 pmol/min/mg, respectively. Their average compound K-forming activities were 0.24+/-0.09 pmol/min/mg and 2.14+/-3.66 fmol/min/mg, respectively. These activities all were not different between males and females, or between ages. Although compound K-forming activity from the aqueous extract of ginseng was low compared to that from ginenoside Rb-1, their profiles were similar to those of isolated compounds. Based on these findings, we believe that the intestinal bacterial metabolic activities of ginseng components are variable in individuals and may be used as selection markers for responders to ginseng.
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