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J Asian Nat Prod Res. 2010 Mar;12(3):209-14. doi: 10.1080/10286020903535419.

New pregnane and steroidal glycosides from Tribulus terrestris L.

Author information

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

Abstract

Three new steroidal saponins were isolated from the fruits of Tribulus terrestris L. Their structures were elucidated by spectroscopic and chemical analysis as 16beta-(4'-methyl-5'-O-beta-D-glucopyranosyl-pentanoxy)-5alpha-pregn-3beta-ol-12,20-dione-3-O-beta-D-glucopyranosyl-(1 --> 2)-beta-D-glucopyranosyl-(1 --> 4)-beta-D-galactopyranoside (1), 2alpha,3beta-dihydroxy-5alpha-pregn-16-en-20-one 3-O-beta-D-glucopyranosyl-(1 --> 4)-beta-D-galactopyranoside (2) and 26-O-beta-D-glucopyranosyl-(25R)-5alpha-furostan-20(22)-en-2alpha,3beta,26-triol-3-O-beta-D-glucopyranosyl-(1 --> 4)-beta-D-galactopyranoside (3).

PMID:
20390767
DOI:
10.1080/10286020903535419
[Indexed for MEDLINE]

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