Three new triterpene saponins from two species of Carpolobia

Anne Claire Mitaine-Offer, Tomofumi Miyamoto, Ikhlas A. Khan, Clément Delaude, Marie Aleth Lacaille-Dubois

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Three new acetylated triterpene saponins 1-3 were isolated from the roots of Carpolobia alba and C. lutea. Their structures were established mainly by 2D NMR techniques as 3-O-β-D-glucopyranosyl-presenegenin-28-O-β-D-galactopyranosyl- (1→4)-[β-D-xylopyranosyl-(1→3)]-β-D-xylopyranosyl- (1→4)-α-L-rhamnopyranosyl-(1→2)-(3,4-di-O-acetyl)-β -D-fucopyranosyl ester, 3-O-β-D-glucopyranosylpresenegenin-28-O-β-D-galactopyranosyl- (1→4)-[α-L-arabinopyranosyl-(1→3)]-β-D-xylopyranosyl- (1→4)-α-L-rhamnopyranosyl-(1→2)-(3,4-di-O-acetyl)-β -D-fucopyranosyl ester, and 3-O-β-D-glucopyranosylpresenegenin-28-O-β-D-xylopyranosyl- (1→4)-[β-D-apiofuranosyl-(1→3)]-α-L-rhamnopyranosyl- (1→2)-(3,4-di-O-acetyl)-β-D-fucopyranosyl ester, respectively.

Original languageEnglish
Pages (from-to)553-557
Number of pages5
JournalJournal of Natural Products
Issue number4
Publication statusPublished - May 11 2002

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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  • Cite this

    Mitaine-Offer, A. C., Miyamoto, T., Khan, I. A., Delaude, C., & Lacaille-Dubois, M. A. (2002). Three new triterpene saponins from two species of Carpolobia. Journal of Natural Products, 65(4), 553-557.