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

doi:10.1016/j.phytol.2018.09.018

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

Pharmaceutical Health Care and Sciences

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

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 language	English
Pages (from-to)	174-178
Number of pages	5
Journal	Phytochemistry Letters
Volume	28
DOIs	https://doi.org/10.1016/j.phytol.2018.09.018
Publication status	Published - Dec 1 2018

All Science Journal Classification (ASJC) codes

Biotechnology
Biochemistry
Agronomy and Crop Science
Plant Science

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10.1016/j.phytol.2018.09.018

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title = "Triterpene saponins of the root bark of Olax obtusifolia De Wild",

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.",

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AU - Pertuit, David

AU - Mitaine-Offer, Anne Claire

AU - Miyamoto, Tomofumi

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AU - Delaude, Clément

AU - Lacaille-Dubois, Marie Aleth

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AB - 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.

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JO - Phytochemistry Letters

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ER -

Triterpene saponins of the root bark of Olax obtusifolia De Wild

Abstract

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