Citation: Lin Shi, Jia Qing Cao, Wei Li, Hong Zhao, Yu Qing Zhao. A new dammarane-type triterpene saponin from Gynostemma pentaphyllum[J]. Chinese Chemical Letters, ;2010, 21(6): 699-701. doi: 10.1016/j.cclet.2010.01.006 shu

A new dammarane-type triterpene saponin from Gynostemma pentaphyllum

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

a School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China;
b Dalian University, Dalian 116622, China

Received Date: 15 October 2009

Fund Project: This work was financially supported by E&T modern center for Natural products of Liaoning Province of China (No. 2006-19-10). We are grateful to the Analytical Center of Shenyang Pharmaceutical University for identification of the measurements of NMR, IR, HR-TOF-MS.

One new dammarane-type triterpene saponin, named (20S)-3β,20,21-trihydroxydammar-24-ene 3-O-[α-L-rhamnopyranosyl-(1→2)] [β-D-xylopyranosyl (l→3)]-β-D-glucopyranoside (1), was isolated from the aerial parts of Gynostemma pentaphyllum (Thunb.) Makino. Its structural elucidation was accomplished mainly on the basis of the interrelation of spectroscopic methods, such as IR, HR-TOF-MS, NMR.
- Gynostemma pentaphyllum (Thunb.) Makino,
- Dammarane-type,
- Triterpene saponin
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