RP-HPLC法测定苏合香微丸中肉桂酸的含量

Chinese Journal of Pharmaceutical Analysis(2007)

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Abstract
目的:建立一种测定苏合香微丸主要成分肉桂酸含量的新方法,提出以酚酞为内标的新思路.方法:采用ZORBAX SB-C18柱(250 mm ×4.6 mm,5 μm),甲醇-水-冰醋酸(50∶50∶0.5)为流动相,检测波长242 nm,流速1.5 mL·min-1,柱温室温.结果:当肉桂酸的浓度在6.4~54.4 μg·mL-1范围时,其峰面积与浓度的线性关系良好(r=0.9999);高、中、低3种浓度的回收率分别为99.3%,99.2%,101.0%,RSD分别为1.5%,1.8%,0.9%.结论:方法准确,可靠,可作为含苏合香类药品制订质量标准时的参考.
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Key words
cinnamic acid,internal standard method,cardiovascular disease,phenolphthalein,RP-HPLC,styrax micropills
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