Three new dammarane-type triterpene saponins from the leaves of Panax ginseng C.A. Meyer.

Abstract:

:Three new dammarane-type triterpene ginsenosides, together with six known ginsenosides, were isolated from the leaves of Panax ginseng C.A. Meyer. The new saponins were named as ginsenoside Rh₁₁, ginsenoside Rh₁₂, and ginsenoside Rh₁₃. Their structures were elucidated as (20S)-3β,6α,12β,20-tetrahydroxydammara-25-ene-24-one 20-O-β-d-glucopyranoside (1), (20S)-3β,12β,20,24,25-pentahydroxydammarane 20-O-β-d-glucopyranoside (2), and (20S,23E)-3β,12β,20,25-tetrahydroxydammara-23-ene 20-O-β-d-glucopyranoside (3) on the basis of 1D and 2D NMR experiments and mass spectra. The known ginsenosides were identified as ginsenoside M(₇cd), ginsenoside Rg₆, ginsenoside Rb₃, gypenoside XVII, gypenoside IX, and 20-(E)-ginsenoside F₄.

journal_name

J Asian Nat Prod Res

authors

Liu GY,Li XW,Wang NB,Zhou HY,Wei W,Gui MY,Yang B,Jin YR

doi

10.1080/10286020.2010.508035

subject

Has Abstract

pub_date

2010-10-01 00:00:00

pages

865-73

issue

10

eissn

1028-6020

issn

1477-2213

pii

927347948

journal_volume

12

pub_type

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