3 rezultate
A novel flavonoid diglycoside, 5,6,7,4'-tetrahydroxyflavonol 3-O-rutinoside (1), and a previously known compound, kaempferol 3-O-neohesperidoside (2), were isolated from an ethyl acetate extract of Daphniphyllum calycinum leaves that showed significant activity in a 1,1-diphenyl-2-picrylhydrazyl
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.
Feng-Liao-Chang-Wei-Kang (FLCWK), a traditional Chinese patent medicine, consists primarily of Polygonum hydropiper and Daphniphyllum calycinum roots. As a complex containing several kinds of flavonoids, FLCWK has the potential to impact the drug metabolism enzyme P450 3A4 (CYP3A4) and nuclear