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目的 :建立痛消胶囊中延胡索乙素的质量控制方法。方法 :采用TLCS法测定痛消胶囊中延胡索乙素的含量。展开剂为正己烷 醋酸乙酯 二乙胺 (9∶1∶1) ,双波长反射锯齿扫描 ,测定波长λS=35 0nm ,参比波长λR=310nm。结果 :延胡索乙素的线性范围为 0 .5～ 3.5 μg(r =0 .9974) ,加样回收率为 95 .4% ,RSD =2 .3% (n =6 )。 结论 :该方法可用于该制剂的质量控制
Objective: To establish the quality control method of tetrahydropalmatine in Tongxiao Capsule. Methods: The content of tetrahydropalmatine in Tongxiao Capsule was determined by TLCS. The developing agent was n-hexane ethyl acetate diethylamine (9:1:1), dual-wavelength reflection sawtooth scanning, measurement wavelength λS=35 nm, and reference wavelength λR=310 nm. Results : The linear range of tetrahydropalmatine was 0.5 to 3.5 μg (r=0.9974). The average recovery was 95.4% with RSD =2.3% (n =6). Conclusion : This method can be used for quality control of the preparation