Two new furostanol saponins from Tribulus terrestris

J Asian Nat Prod Res. 2010 May;12(5):349-54. doi: 10.1080/10286021003747458.

Abstract

Two new furostanol saponins were isolated from the fruits of Tribulus terrestris L. Their structures were established as 26-O-beta-D-glucopyranosyl-(25S)-5alpha-furost-20(22)-en-3beta,26-diol-3-O-alpha-L-rhamnopyranosyl-(1 --> 2)-[beta-D-glucopyranosyl-(1 --> 4)]-beta-D-galactopyranoside (1) and 26-O-beta-D-glucopyranosyl-(25S)-5alpha-furost-20(22)-en-12-one-3beta,26-diol-3-O-beta-D-galactopyranosyl-(1 --> 2)-beta-D-glucopyranosyl-(1 --> 4)-beta-D-galactopyranoside (2) on the basis of spectroscopic data as well as chemical evidence.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Drugs, Chinese Herbal / chemistry
  • Drugs, Chinese Herbal / isolation & purification*
  • Fruit / chemistry
  • Molecular Structure
  • Nuclear Magnetic Resonance, Biomolecular
  • Saponins / chemistry
  • Saponins / isolation & purification*
  • Stereoisomerism
  • Steroids / chemistry
  • Steroids / isolation & purification*
  • Tribulus / chemistry*

Substances

  • 26-O-beta-D-glucopyranosyl-(25S)-5-furost-20(22)-en-12-one-3beta,26-diol-3-O-beta-D-galactopyranosyl-(1-2)-beta-D-glucopyranosyl-(1-4)-beta-D-galactopyranoside
  • 26-O-beta-D-glucopyranosyl-(25S)-5-furost-20(22)-en-3beta,26-diol-3-O-L-rhamnopyranosyl-(1-2)-(beta-D-glucopyranosyl-(1-4))-beta-D-galactopyranoside
  • Drugs, Chinese Herbal
  • Saponins
  • Steroids