Fitoterapia 2009-Dec
A new biflavonoid from Daphniphyllum angustifolium Hutch.
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Abstract
An investigation of the flavonoids in Daphniphyllum angustifolium Hutch. resulted in the identification of a new biflavonoid, 5,7,4'-trihydroxyflavan (2alpha-->O-->7, 4alpha-->8) kaempferol (1), together with five known flavonoids. Their structures were determined by spectroscopic method.