血水草化学成分及其抗炎活性

被引:3
作者
张郑洁
李漓
欧阳琳
赵碧清
周小江
机构
[1] 湖南中医药大学
基金
湖南省自然科学基金;
关键词
血水草; 化学成分; 结构鉴定; 抗炎活性; RAW264.7;
D O I
暂无
中图分类号
R284.1 [化学分析与鉴定];
学科分类号
100804 [中药化学];
摘要
目的 研究血水草Eomecon chionantha Hance化学成分及其抗炎活性。方法 血水草70%乙醇提取物采用硅胶、Sephadex LH-20、大孔树脂、MIC、制备TLC、半制备HPLC进行分离纯化,根据理化性质及波谱数据鉴定所得化合物的结构。采用RAW264.7细胞评价其体外抗炎活性。结果 从中分离得到15个化合物,分别鉴定为6-carboxymethyldihydrochelerythrine(1)、(R)-8-[(R)-1-hydroxyethyl] dihydrochelerythrine(2)、zanthoxyline dimethoxy derivative(3)、oxychelerythrine(4)、6-methyldihydrochelerythrine(5)、macleayin E(6)、8-hydroxydihydrochelerythrine(7)、1-(dihydrosanguinarine-6-yl) ethanol(8)、methyl 2′-(7,8-dihydrosanguinarine-8-yl)acetate(9)、(3β,18β,20β)-3-hydroxy-olean-12-en-29-oic acid(10)、3β,22β-dihydroxy-olean-12-en-29-oic acid(11)、齐墩果酸(12)、β-amyrin(13)、2,2′-oxybis (1,4-di-tert-butylbenzene)(14)、棕榈酸(15)。化合物1~3、10~13具有较好的抑制NO释放的活性,其IC50值分别为(7.77±0.18)、(24.40±0.23)、(5.03±0.15)、(7.17±0.02)、(3.16±0.10)、(7.34±0.03)、(29.73±0.02)μg/mL。结论 化合物1~2、4、6、8~12、14~15为首次从该植物中分离得到。化合物1~3、10~13有较好的抗炎活性。
引用
收藏
页码:2572 / 2578
页数:7
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