HPLC法同时测定蒙药通拉嘎-5中胡椒碱和荜茇宁的含量
Journal of International Pharmaceutical Research(2013)
Abstract
目的 建立同时测定蒙药通拉嘎-5中胡椒碱和荜茇宁含量的HPLC方法.方法 采用C18 ODS Hypersil Thermo Dim(250mm×4.6 mm,5μm)色谱柱,以乙腈-水(50∶ 50)为流动相,流速为1 ml/min,进样量20μl,检测波长343 nm,在室温下测定.结果 胡椒碱和荜茇宁分别在4~ 80 μg/ml(r =0.9992)和0.25 ~ 12.50 μg/ml(r =0.999)浓度范围内具有良好的线性关系,其平均回收率分别为99.6%和98.5%(n=5).结论 该方法便捷、准确和重现性好,可用于通拉嘎-5的质量控制.
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Key words
piperlonguminine,HPLC,Mongolian medicine,Tonglaga-5,piperine
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