Abstract
Six compounds were isolated from Begonia evansiana. By means of TLC, mp, 1H and 13CNMR, they were idenified as beta-sitosterol, beta-amyrin, daucosterol, stigmasterol, stigmasterol-3-O-beta-D-glucopyranoside and 4', 5', 7-trihydroxy-flavone-6-O-beta-D-glucopyranoside. All the compounds were isolated from this plant for the first time.
MeSH terms
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Drugs, Chinese Herbal / chemistry*
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Flavonoids / chemistry
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Flavonoids / isolation & purification*
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Glucosides / chemistry
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Glucosides / isolation & purification*
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Magnoliopsida / chemistry
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Molecular Structure
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Oleanolic Acid / analogs & derivatives
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Plants, Medicinal / chemistry*
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Sitosterols / chemistry
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Sitosterols / isolation & purification
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Stigmasterol / chemistry
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Stigmasterol / isolation & purification
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Triterpenes / chemistry
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Triterpenes / isolation & purification
Substances
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4',5',7'-trihydroxyflavone-6-O-glucopyranoside
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Drugs, Chinese Herbal
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Flavonoids
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Glucosides
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Sitosterols
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Triterpenes
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gamma-sitosterol
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Oleanolic Acid
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Stigmasterol
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beta-amyrin