【摘要】 目的研究南岭栲Castanopsis fordii Hance叶的黄酮类成分。方法南岭栲叶80%乙醇提取物采用Sephadex LH-20、MCI、硅胶、半制备柱进行分离纯化,根据波谱数据鉴定所得化合物的结构。结果从中分离得到9个化合物,分别鉴定为槲皮素(1)、槲皮素-3-O-α-L-鼠李糖苷(2)、杨梅苷(3)、myricetin-3-O-(2″-O-galloyl)-α-rhamnopyranoside(4)、quercetin 3-O-(2″-O-galloyl)-α-rhamnopyranoside(5)、阿福豆苷(6)、3,5,7,3’,5’-五羟基-(2R,3R)-二氢黄酮3-O-α-L-鼠李糖苷(7)、落新妇苷(8)、异落新妇苷(9)。结论化合物2、3为首次从该植物中分离得到,化合物1、4~9为首次从锥属植物中分离得到。更多还原

【Abstract】 AIM To study the chemical constituents from the leaves of Castanopsis fordii Hance.METHODS The 80% ethanol extract from C.fordii leaves was isolated and purified by Sephadex LH-20,MCI,silica and semi-preparative column,then the structures of obtained compounds were identified by spectral data.RESULTS Nine compounds were isolated and identified as quercetin (1),quercetin 3-O-α-L-rhamnopyranoside (2),myricetin 3-rhamnoside (3),myricetin-3-O- (2″-O-galloyl)-α-rhamnopyranoside (4),quercetin 3-O- (2″-O-galloyl)-α-rhamnopyranoside (5),kaempferol-3-O-glucorhamnoside (6),3,5,7,3’,5’-pentahydroxy-(2R,3R)-flavanonol 3-O-α-L-rhamnopyranoside (7),astilbin (8),isastilbin (9).CONCLUSION Compounds 2,3 are isolated from this plant for the first time,compounds 1,4-9 are first obatined from genus Castanopsis.更多还原