Abstract
Five crystalline compounds were isolated from the whole plant of B. longicaule var. giraldii for the first time. Four of them were identified as rutin (I), narcissin (II, quercetin (II) and isorhamnetin (IV) respectively by means of chemical studies and spectrometric analysis.
MeSH terms
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Drugs, Chinese Herbal / chemistry*
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Flavonoids / isolation & purification*
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Flavonols*
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Quercetin / analogs & derivatives*
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Quercetin / isolation & purification*
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Rutin / isolation & purification*
Substances
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Drugs, Chinese Herbal
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Flavonoids
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Flavonols
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3-methylquercetin
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Rutin
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Quercetin
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narcissin flavonol