甜茶中黄酮甙元的分离提纯及其表征  

Separation,Purification and Determination of Flavone Aglycones from Rubus suavissimus

作　　者：陈全斌[1] 沈钟苏[2] 张巧云[2] 阮敏[1] 黄绍军[2] 

机构地区：[1]广西师范大学资源与环境学系,桂林541004 [2]广西师范大学化工系,桂林541004

出　　处：《林业科技》2005年第1期46-48,共3页Forestry Science & Technology

摘　　要：以甜茶叶为原料提取黄酮 ,黄酮经水解、溶剂萃取、柱层析等手段 ,得到高纯度甙元 ;经熔点、TLC、液相色谱、红外光谱、核磁共振法等分析手段进行结构表征 ,证实甜茶含有黄酮甙 ,其甙元为槲皮素和山奈酚。Flavone was extracted from Rubus suavissimus .Flavone aglycones was abtained from hydrolyzation and purifed by solvent extraction,column chromato-gramphy and identified by Molting-Point,TLC,HPLC,NMR.The results identified for the first time that the flavone aglycones are kaempferol and quercitin.

关 键 词：甜茶 黄酮甙 山奈酚 TLC 槲皮素 柱层析 液相色谱 高纯度 分离提纯 表征 

分 类 号：S571.1[农业科学—茶叶生产加工] R282.71[农业科学—作物学]