Determination of tetrahydropalmatine in Lianlian capsule by HPLC
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摘要: 目的 建立HPLC法测定莲连胶囊中延胡索乙素含量的方法。 方法 采用高效液相色谱法,以该胶囊中的延胡索乙素为定量指标,测定延胡索的含量。 结果 延胡索乙素在7.908~158.06 μg/ml范围内峰面积具有良好的线性关系,平均回收率为 96.18%,RSD为 1.2%。 结论 建立的定量方法具有专属性好,准确、灵敏和可靠的特点,可用于莲连胶囊中延胡索乙素的含量测定及质量控制。Abstract: Objective To establish a HPLC method for tetrahydropalmatine in Lianlian capsule. Method The determination method of Lianlian capsule was carried out by HPLC, which quantitative index was represented with tetrahydropalmatine. Result The calibration curves was linear in the rage of 7.908~158.06 μg/ml for tetrahydropalmatine. The average recovery was 96.18 %(RSD 1.2%). Conclusion The method was exclusive, accurate and reliable, which could be used for improvement of quality control in Lianlian capsule.
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Key words:
- Lianlian capsule /
- tetrahydropalmatine /
- HPLC /
- assay
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[1] 中国药典2010版.一部[S].2010:130. [2] 吴坚.高效液相法测定安胃片中延胡索乙素的含量[J].江西医药,2011,46(7):659. [3] 蓝明雄.醋制延胡索颗粒质量标准的研究[J].中国中医咨询,2011,3(20):66. [4] 王慧,费杨,黄玉凤,等.反相高效液相法测定乌金胶囊中的延胡索乙素[J].第二军医大学学报,2011,32(9):1040
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