Chemical and Pharmaceutical Bulletin
Online ISSN : 1347-5223
Print ISSN : 0009-2363
Studies on the Saponins of Ginseng. II. Structures of Ginsenoside-Re, -Rf and -Rg2
SYUICHI SANADANORIKO KONDOJUNZO SHOJIOSAMU TANAKASHOJI SHIBATA
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1974 Volume 22 Issue 10 Pages 2407-2412

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Abstract

Ginsenoside-Re, -Rf and -Rg2, the saponins of Ginseng root (root of Panax ginseng C. A. MEYER) were isolated. The structures of these saponins were established as being 20S-protopanaxatriol-6-[O-α-L-rhamnopyranosyl (1→2)-β-D-glucopyranoside]-20-O-β-D-glucopyranoside (II), 20S-protopanaxatriol-6-O-β-D-glucopyranosyl (1→2)-β-D-glucopyranoside (III) and 20S-protopanaxatriol-6-O-α-L-rhamnopyranosyl (1→2)-β-D-glucopyranoside-(IV), respectively.

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