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J Asian Nat Prod Res. 2012;14(8):780-4. doi: 10.1080/10286020.2012.694871. Epub 2012 Jun 14.

New steroidal glycosides from Tribulus terrestris L.

Author information

1
School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China.

Abstract

Two new steroidal glycosides were isolated from Tribulus terrestris L. Their structures were elucidated as 26-O-β-D-glucopyranosyl-5α-furostan-12-one-20(22)-ene-3β,23,26-triol-3-O-β-D-xylopyranosyl-(1 → 2)-[β-D-xylopyranosyl-(1 → 3)]-β-D-glucopyranosyl-(1 → 4)-[α-L-rhamnopyranosyl-(1 → 2)]-β-D-galactopyranoside (1) and 26-O-β-D-glucopyranosyl-5α-furostan-20(22)-ene-3β,23,26-triol-3-O-β-D-xylopyranosyl-(1 → 2)-[β-D-xylopyranosyl-(1 → 3)]-β-D-glucopyranosyl-(1 → 4)-[α-L-rhamnopyranosyl-(1 → 2)]-β-D-galactopyranoside (2) by spectroscopic methods including 1D and 2D NMR experiments.

PMID:
22694659
DOI:
10.1080/10286020.2012.694871
[Indexed for MEDLINE]

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