Triterpene glycosides from the roots of Astragalus flavescens

Sibel Avunduk, Anne Claire Mitaine-Offer, Özgen Alankuş-Çalişkan, Tomofumi Miyamoto, Serdar Gökhan Şenol, Marie Aleth Lacaille-Dubois

Research output: Contribution to journalArticlepeer-review

36 Citations (Scopus)


Six new triterpene saponins, 3-O-α-L-rhamnopyranosyl-(1→2)- β-D-xylopyranosyl-(1→2)-β-D-glucuronopyranosyl-21-epi- kudzusapogenol A (1), 3-O-α-L-rhamnopyranosyl-(1→2)-β-D- glucopyranosyl-(1→2)-β-D-glucuronopyranosyl-21-epi-kudzusapogenol A (2), 3-O-α-L-rhamnopyranosyl-(1→2)-β-D-xylopyranosyl-(1→2)- β-D-glucuronopyranosyl-22-O-β-D-glucopyranosyl-21-epi-kudzusapogenol A (3), 3-O-α-L-rhamnopyranosyl-(1→2)-β-D-glucopyranosyl- (1→2)-β-D-glucuronopyranosyl-22-O-β-D-glucopyranosyl-21-epi- kudzusapogenol A (4), 3-O-α-L-rhamnopyranosyl-(1→2)-β-D- xylopyranosyl-(1→2)-β-D-glucuronopyranosyl-22-O-α-L- arabinopyranosyl-21-epi-kudzusapogenol A (5), and 3-O-α-L-rhamnopyranosyl- (1→2)-β-D-glucopyranosyl-(1→2)-β-D-glucuronopyranosyl-22-O- α-L-arabinopyranosyl-21-epi-kudzusapogenol A (6), were isolated from the roots of Astragalus flavescens, together with the known trajanoside B, azukisaponin V, and astragalosides IV, VII, and VIII. Their structures were established mainly by 2D NMR techniques and mass spectrometry.

Original languageEnglish
Pages (from-to)141-145
Number of pages5
JournalJournal of Natural Products
Issue number1
Publication statusPublished - Jan 2008

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Molecular Medicine
  • Pharmacology
  • Pharmaceutical Science
  • Drug Discovery
  • Complementary and alternative medicine
  • Organic Chemistry


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