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Determination of oleanolic acid in Caulis clematidis armandii by HPLC
Author(s): QING Lin-sen, ZHANG Hao, L(U) Guang-hua, Kelvin Chan, Kelvin Sze-yin leung, Chen Chu
Pages: 273-
274
Year: 2006
Issue:
3
Journal: WEST CHINA JOURNAL OF PHARMACEUTICAL SCIENCES
Keyword: 川木通; 齐墩果酸; 高效液相色谱法;
Abstract: 目的建立测定水解后的川木通药材中齐墩果酸含量的方法.方法采用HPLC法.Alltima C18色谱柱(250 mm×4.6 mm,5 μm);流动相为甲醇-水-冰醋酸-三乙胺(89:11:0.04:0.02);检测波长207 nm;流速1.0ml·min-1;柱温45℃.结果齐墩果酸色谱峰分离度良好,线性范围为0.1003~8.024μg(r=0.9999,n=5),方法的检测限和定量限分别为0.3μg·ml-1和1.0μg·ml-1.平均回收率为96.1%,RSD=2.8%(n=5).结论所用结果准确,重复性好,专属性强,可为川木通药材质量控制提供科学的依据.
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