Triterpene saponins of the root bark of Olax obtusifolia De Wild

David Pertuit, Anne Claire Mitaine-Offer, Tomofumi Miyamoto, Chiaki Tanaka, Clément Delaude, Marie Aleth Lacaille-Dubois

Research output: Contribution to journalArticle

Abstract

Four undescribed triterpenoid saponins together with five known and oleanolic acid were isolated from root bark of Olax obtusifolia De Wild. Their structures were elucidated by spectroscopic methods including 1D and 2D NMR experiments, in combination with mass spectrometry as 3-O-α-L-rhamnopyranosyl-(1→4)-α-L-rhamnopyranosyl-(1→3)-β-D-glucuronopyranosyloleanolic acid, 3-O-α-L-rhamnopyranosyl-(1→4)-α-L-rhamnopyranosyl-(1→3)-β-D-glucuronopyranosyloleanolic acid 28-O-β-D-glucopyranosyl ester, 3-O-α-L-rhamnopyranosyl-(1→3)-β-D-glucopyranosyl-(1→2)-[β-D-glucopyranosyl-(1→3)]-β-D-glucuronopyranosyloleanolic acid and 3-O-α-L-rhamnopyranosyl-(1→3)-β-D-glucopyranosyl-(1→2)-[β-D-glucopyranosyl-(1→3)]-β-D-glucuronopyranosyloleanolic acid 28-O-β-D-glucopyranosyl ester.

Original languageEnglish
Pages (from-to)174-178
Number of pages5
JournalPhytochemistry Letters
Volume28
DOIs
Publication statusPublished - Dec 1 2018

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Triterpenes
triterpenoid saponins
Saponins
bark
Acids
acids
Esters
esters
Oleanolic Acid
oleanolic acid
Mass spectrometry
Mass Spectrometry
Nuclear magnetic resonance
mass spectrometry
Experiments
methodology

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Biochemistry
  • Agronomy and Crop Science
  • Plant Science

Cite this

Triterpene saponins of the root bark of Olax obtusifolia De Wild. / Pertuit, David; Mitaine-Offer, Anne Claire; Miyamoto, Tomofumi; Tanaka, Chiaki; Delaude, Clément; Lacaille-Dubois, Marie Aleth.

In: Phytochemistry Letters, Vol. 28, 01.12.2018, p. 174-178.

Research output: Contribution to journalArticle

Pertuit, David ; Mitaine-Offer, Anne Claire ; Miyamoto, Tomofumi ; Tanaka, Chiaki ; Delaude, Clément ; Lacaille-Dubois, Marie Aleth. / Triterpene saponins of the root bark of Olax obtusifolia De Wild. In: Phytochemistry Letters. 2018 ; Vol. 28. pp. 174-178.
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