云南栘(Docynia delavayi(Franch.)Schneid.)黄酮成分研究

FLOAVONES FROM THE BARK OF DOCYNIA DELAVAYI(FRANCH.)SCHNEID.

本文首次对采自云南西双版纳的树皮的主要成分进行了研究 ,从其乙醚提取物中分离出四种黄酮类化合物 ,通过 NMR、MS和 IR等波谱手段 ,鉴定出它们分别为 :白杨素 ( Chrysin, ) ,柚皮素 ( Naringenin, ) ,槲皮素 ( Quercetin, )和广寄生甙( Avicularin, )

Four flavone compounds were isolated from the bark of Docynia delavayi (Franch.)Schneid..They are Chrysin(Ⅰ),Naringenin(Ⅱ),Quercetin(Ⅲ),Avicularin(Ⅳ).Their structures were elucidated by IR,MS and NMR by copmarison with the known compounds.