细梗胡枝子化学成分的研究Ⅲ  

Chemical Constituents of Lespedeza virgate

作　　者：夏新中[1] 李万江 

机构地区：[1]长江大学医学院,湖北荆州434023 [2]荆州市食品药品监督检验所,湖北荆州434000

出　　处：《中国实验方剂学杂志》2012年第18期127-129,共3页Chinese Journal of Experimental Traditional Medical Formulae

基　　金：湖北省自然科学基金项目(2007ABA234)

摘　　要：目的:研究细梗胡枝子Lespedeza virgate全草的化学成分。方法:采用多种色谱技术对其乙酸乙酯部分和正丁醇部分进行分离和纯化,根据光谱数据和理化性质鉴定化合物结构。结果:分离鉴定了7个化合物,分别为大黄素甲醚(1)、大黄酚(2)、山柰酚-3,7-二-O-β-D-吡喃葡萄糖苷(3)、山奈酚-3-O-芸香糖苷(4)、山柰酚-7-O-α-L-吡喃鼠李糖苷(5)、正二十六酸(6)、正二十八烷醇(7)。结论:化合物1,2,3,4,6为首次从胡枝子属植物中分离得到,7为首次从该种植物中分离得到。Objective：To investigate the chemical constituents of the whole grass of Lespedeza virgat.Method：Various chromatographic techniques were used to separate and purify the chemical constituents from ethyl acetate part and n-butyl alcohol part extract of Lespedeza virgate,and the isolated compounds were identified according to their physicochemical and spectroscopic data.Result：Seven compounds were isolated and identified as physcion（1）,chrysophanol（2）,kaempferol-3,7-di-O-β-D-glucopy-ranoside（3）,kaempferol-3-O-β-D-rutinoside（4）,kaempferol-7-O-α-L-rhamnopyranoside（5）,n-hexacosanoic acid（6）,n-octacosanol（7）.Conclusion：The compounds 1,2,3,4,6 were isolated for the first time from this genus,and the compound 7 was isolated from the plant for the first time.

关 键 词：胡枝子属 细梗胡枝子 化学成分 

分 类 号：R284.1[医药卫生—中药学]