[A new minor saponin from the leaves of Panax ginseng C. A. Meyer].
Two minor compounds isolated from the leaves of Panax ginseng C. A. Meyer were characterized as 20(R)-protopanaxadiol (I) and 3 beta, 6 alpha, 12 beta-trihydroxydammar-20 (22), 24-diene-6-O-alpha-L-rhamnosyl-(1----2)-beta-D-glucopyranoside (II) on the basis of spectral analysis and chemical evidences. I was isolated for the first time from the leaves; II was shown to be a new saponin and was named as ginsenoside-Rg4.
Zhang
S L
SL
Chen
Y J
YJ
Cui
C B
CB
He
G X
GX
Xu
S X
SX
Pei
Y P
YP
Yao
X S
XS
Zhu
T R
TR
D055598:Chemical Phenomena; D002621:Chemistry; D036145:Ginsenosides; D005894:Panax / Q000032:analysis*; D010946:Plants, Medicinal; D012502:Sapogenins; D012503:Saponins / Q000032:analysis / Q000302:isolation & purification*; D014315:Triterpenes / Q000302:isolation & purification*
D036145:Ginsenosides; D012502:Sapogenins; D012503:Saponins; D014315:Triterpenes; C062915:ginsenoside Rg4; C062916:protopanaxadiol