Abstract: From the aerial parts of Saxifraga melanocentra, ten compounds were isolated and identified with spectral analysis and compared with authentic samples as kaermpferol ( 1 ) , quercetin ( 2 ) , kaempferol-3- O-β-D-glucoside ( 3 ) , quercetin-3- O-β-D-glucoside ( 4 ) , kaempferol-3-rutinoside ( 5 ) ,
rutin (6) , 2″- O-galloylrutin (7 ) , bergenin ( 8 ) , gallic acid ( 9) and methyl gallate ( 10) . Six compounds were found from the plant for the first time with the exception of 2 , 6 , 8 and 10 . These results provided new chemical evidences for the bioactive investigation of this plant .

Key words: Saxifraga melanocentra

摘要： 从黑蕊虎耳草(Saxifraga melanocentra) 地上部分的乙醇提取物中分离得到10 个化合物, 通过波谱分析并与有关对照品比较, 将其结构鉴定为山奈酚( 1) , 槲皮素(2 ) , 山奈酚-3-O-β-D-葡萄糖苷(黄芪苷) ( 3) , 槲皮素-3- O-β-D-葡萄糖苷(4 ) , 山奈酚-3- O-芦丁糖苷(5) , 芦丁(6 ) , 2″- O-没食子酰芦丁(7 ) , 岩白菜素( 8 ) , 没食子酸( 9) 和没食子酸甲酯(10) , 除化合物2、6、8 和10 外, 其余6 个化合物均为首次从虎耳草属植物中得到。这些成分的鉴定为该植物的药效学研究提供了新的化学依据。

关键词: 黑蕊虎耳草, 黄酮, 岩白菜素FONT