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J Asian Nat Prod Res. 2010 Jan;12(1):30-5. doi: 10.1080/10286020903405449.

Two new steroidal saponins from Tribulus terrestris L.

Author information

1
School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China.

Abstract

Two new steroidal saponins were isolated from the fruits of Tribulus terrestris L. Their structures were elucidated by spectroscopic and chemical analysis as (23S,24R,25R)-5alpha-spirostane-3beta,23,24-triol-3-O-{alpha-L-rhamnopyranosyl-(1 --> 2)-[beta-D-glucopyranosyl-(1 --> 4)]-beta-D-galactopyranoside} (1) and (23S,24R,25S)-5alpha-spirostane-3beta,23,24-triol-3-O-{alpha-L-rhamnopyranosyl-(1 --> 2)-[beta-D-glucopyranosyl-(1 --> 4)]-beta-D-galactopyranoside} (2).

PMID:
20390740
DOI:
10.1080/10286020903405449
[Indexed for MEDLINE]

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