✦ LIBER ✦
Six New Triterpene Saponins with a 21,23-Lactone Skeleton from Gynostemma pentaphyllum
✍ Scribed by Feng Yin; Li-Hong Hu
- Publisher
- John Wiley and Sons
- Year
- 2005
- Tongue
- German
- Weight
- 196 KB
- Volume
- 88
- Category
- Article
- ISSN
- 0018-019X
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✦ Synopsis
Abstract
The six new triterpene saponins 1–6 with a 21,23‐lactone skeleton were isolated from the MeOH extract of the aerial parts of Gynostemma pentaphyllum. Their structures were elucidated by 1D‐ and 2D‐NMR‐spectra interpretation as well as by chemical degradation.