Abstract
Two new furostanol glycosides, named tribufurosides I (1) J (2), were isolated from the fruits of Tribulus terrestris L. by a combination of chemical and spectroscopic methods. Its structures were established as 26-O-beta-D-glucopyranosyl-(25S)-5alpha-furost-12-one-2alpha,3beta,22alpha,26-tetraol-3-O-beta-D-glucopyranosyl (1-->2)-beta-d-glucopyranosyl (1-->4)-beta-d-galactopyranoside (1) and 26-O-beta-D-glucopyranosyl-(25R)-5alpha-furost-20(22)-en-12-one-2alpha,3beta,26-triol-3-O-beta-D-glucopyranosyl (1-->4)-beta-D-galactopyranoside (2).
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Fruit
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Molecular Structure
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Plant Extracts / chemistry
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Plant Extracts / isolation & purification*
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Saponins / chemistry
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Saponins / isolation & purification*
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Sterols / chemistry
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Sterols / isolation & purification*
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Tribulus / chemistry*
Substances
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26-O-glucopyranosylfurost-12-one-2,3,22,26-tetraol-3-O-glucopyranosyl-1-2-glucopyranosyl-1-4-galactopyranoside
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26-O-glucopyranosylfurost-20(22)-en-12-one-2,3,26-triol-3-O-glucopyranosyl-1-4-galactopyranoside
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Plant Extracts
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Saponins
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Sterols