Citation: Xia Li, Jia Qing Cao, Lin Shi, Yu Qing Zhao. Two new dammarane-type sapogenins from Gynostemma pentaphyllum[J]. Chinese Chemical Letters, ;2011, 22(12): 1461-1464. doi: 10.1016/j.cclet.2011.09.003 shu

Two new dammarane-type sapogenins from Gynostemma pentaphyllum

Xia Li ^a, ,
Jia Qing Cao ^a ,
Lin Shi ^b ,
Yu Qing Zhao ^a

a School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China;
b College of Food Science, Shenyang Agriculture University, Shenyang 110866, China

Received Date: 19 April 2011

Fund Project: This work was financially supported by E&T Modern Center for Natural Products of Liaoning Province of China (No.2008402021).We are grateful to the Analytical Center of Shenyang Pharmaceutical University for the identification of the measurements of NMR, IR, HR-TOF-MS.

Two new sapogenins, named (20S, 24R)-3β, 20, 21β, 25-tetrahydroxy-21, 24-cyclodammarane (1) and 3β-hydroxyetio-17β-dammaranic acid (2), were isolated from the alkaline hydrolysate of Gynostemma pentaphyllum saponins. Their structures were elucidated by spectroscopic methods.
- Gynostemma pentaphyllum,
- Sapogenin,
- Alkaline hydrolysate
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