AIM: To establish a method for the determination of ephedrine hydrochloride in Juyuanzhike Tablets (Radix Platycodonis,Radix Polygalae,ephedrinelydrochloride,etc.). METHODS :Ephedrine hydrochloride in Juyuanzhike Tablets were determined by HPLC. RESULTS : The linear range was 0.2～1.6 ?g,r =0.9999.The average recovery was 97.7% and RSD was 0.58%,respectively. CONCLUSION : The method is simple,feasible and reproducible. It can be used for the quality control of Juyuanzhike Tablets.
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