一测多评法同时测定嘎日迪-5丸中4种化学成分
Simultaneous determination of 4 chemical constituents in garidi-5 pill by QAMS method
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摘要: 用HPLC法,以木香烃内酯为内参物,建立该成分与没食子酸、鞣花酸和去氢木香内酯的相对校正因子(fs/i),采用fs/i计算各成分的质量分数.同时以外标法(ESM)测定上述4种化学成分的质量分数,比较两种方法所测含量的差异.结果表明,各相对校正因子重复性良好,RSD值均小于3.0%,嘎日迪-5丸中4种成分采用一测多评法测定结果与外标法测定结果无显著性差异.Abstract: With costunolide as the internal reference, the relative correction factors (fs/i) of gallic acid, ellagic acid and dehydrocostus lactone were established by HPLC method, which were used to calculate the content of each component. Meanwhile, the content of 4 chemical constituents were measured by external standard method (ESM). By comparing the content results of the ESM with QAMS, the accuracy and scientificity of QAMS method for quality control of garidi-5 pill were evaluated. The repeatability of fs/i was good,There was no significant difference between the results of QAMS and ESM. the RSD values of the fs/i were less than 3.0%.
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