金花茶花化学成分的研究

Chemical constituents from the flowers of Camellia chrysantha

关键词:  金花茶  化学成分  结构鉴定

Key words:  Camellia chrysantha  Chemical Constituents  structure identification

摘要:

采用反复硅胶柱色谱法、Sephadex LH 20柱色谱法、ODS柱色谱法、反复重结晶等方法对金花茶花的化学成分进行分离纯化，并通过理化常数测定和波谱分析等方法进行结构鉴定。从金花茶花的乙醇提取物中分离得到13个化合物，分别鉴定为：槲皮素(1)、槲皮素 7 O β D 葡萄糖苷(2)、槲皮素 3 O β D 葡萄糖苷(3)、芦丁(4)、牡荆素(5)、山奈酚、山奈酚 3 O β D 葡萄糖苷、羽扇豆醇(8)、齐墩果酸(9)、胡萝卜苷(10)、β 谷甾醇(11)、原儿茶酸(12)、香草醛(13)。除（1）、（6）、（9）外，其余化合物均首次从该植物中分离得到。

Abstract:

The compounds were isolated from the flowers of Camellia chrysantha by chromatography on silica gel column，Sephadex LH 20 column，ODS column and recrystallization，the structures were determined on the basis of physicochemical evidence and ectroscopic analysis. Thirteen compounds were obtained and identified as quercetin，quercetin 7 O β D glucopyranoside(2)，quercetin 3 O β D glucopyranoside(3)，rutin(4)，vitexin(5)，kaempferol(6)，kaempferol 3 O β D glucopyranoside(7)，lupeol(8)，oleanolic acid〖STHZ〗(9)〖STBZ〗，daucosterol〖STHZ〗(10)〖STBZ〗，β sitosterol〖STHZ〗(11)〖STBZ〗，protocatechuicacid〖STHZ〗(12)〖STBZ〗and vanillin〖STHZ〗(13)〖STBZ〗. Thirteen compounds，except〖STHZ〗(1),(6)and(9)〖STBZ〗were obtained from the title plant for the first time.