A new biflavonoid from Daphniphyllum angustifolium Hutch.
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.
Xu
Mingfeng
M
College of Food Science and Biotechnology Engineering, Zhejiang Gongshang University, Hangzhou, China. zjxmf@yahoo.cn
Shen
Lianqing
L
Wang
Kuiwu
K
D005419:Flavonoids / Q000737:chemistry / Q000302:isolation & purification*; D044949:Kaempferols / Q000737:chemistry / Q000302:isolation & purification*; D019684:Magnoliopsida / Q000737:chemistry*; D015394:Molecular Structure; D010936:Plant Extracts / Q000737:chemistry*; D018547:Plant Stems
C546731:5,7,4'-trihydroxyflavan (2alpha-O-7, 4alpha-8) kaempferol; D005419:Flavonoids; D044949:Kaempferols; D010936:Plant Extracts