Two new steroidal saponins from Tribulus terrestris L

Tao Liu; Xuan Lu; Biao Wu; Gang Chen; Hui-Ming Hua; Yue-Hu Pei

doi:10.1080/10286020903405449

Two new steroidal saponins from Tribulus terrestris L

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

Authors

Tao Liu¹, Xuan Lu, Biao Wu, Gang Chen, Hui-Ming Hua, Yue-Hu Pei

Affiliation

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

PMID: 20390740
DOI: 10.1080/10286020903405449

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).

MeSH terms

Drugs, Chinese Herbal / chemistry
Drugs, Chinese Herbal / isolation & purification*
Fruit / chemistry
Molecular Structure
Nuclear Magnetic Resonance, Biomolecular
Saponins / chemistry
Saponins / isolation & purification*
Spirostans / chemistry
Spirostans / isolation & purification*
Stereoisomerism
Tribulus / chemistry*

Substances

5alpha-spirostane-3beta,23,24-triol-3-O-(alpha-L-rhamnopyranosyl-(1 -2))-(beta-D-glucopyranosyl-(1-4)-beta-D-galactopyranoside)
Drugs, Chinese Herbal
Saponins
Spirostans