Two new triterpene saponins from Eryngium campestre

Chem Pharm Bull (Tokyo). 2005 Oct;53(10):1318-20. doi: 10.1248/cpb.53.1318.

Abstract

Two new triterpene saponins, 3-O-beta-D-glucopyranosyl-(1-->2)-[alpha-L-rhamnopyranosyl-(1-->4)]-beta-D-glucuronopyranosyl-22-O-angeloyl-R1-barrigenol (1) and 3-O-beta-D-glucopyranosyl-(1-->2)-[alpha-L-rhamnopyranosyl-(1-->4)]-beta-D-glucuronopyranosyl-22-O-beta,beta-dimethylacryloyl-A1-barrigenol (2), were isolated from the roots of Eryngium campestre (Apiaceae). Their structures were established mainly by 2D NMR techniques and mass spectrometry.

MeSH terms

  • Apiaceae / chemistry*
  • Apiaceae / classification
  • Magnetic Resonance Spectroscopy / methods
  • Magnetic Resonance Spectroscopy / standards
  • Mass Spectrometry
  • Molecular Conformation
  • Plant Roots / chemistry
  • Reference Standards
  • Saponins / chemistry*
  • Saponins / isolation & purification
  • Triterpenes / chemistry*
  • Triterpenes / isolation & purification

Substances

  • 3-O-beta-D-glucopyranosyl-(1-2)-(alpha-L-rhamnopyranosyl-(1-4))-beta-D-glucuronopyranosyl-22-O-angeloyl-R1-barrigenol
  • 3-O-beta-D-glucopyranosyl-(1-2)-(alpha-L-rhamnopyranosyl-(1-4))-beta-D-glucuronopyranosyl-22-O-beta,beta-dimethylacryloyl-A1-barrigenol
  • Saponins
  • Triterpenes