刺五加及其注射液中槲皮素的含量测定

Determination of Quercetin in Acanthopanax and Acanthopanax Injection by High Performance Capillary Electrophoresis(HPCE)

目的 :建立高效毛细管电泳法测定刺五加和刺五加注射液中槲皮素的含量方法。方法 :运行缓冲液为50mmol/L硼酸 -50mmol/L十二烷基磺酸钠缓冲液 ,pH值为8 5 ,操作电压为20kV ,检测波长为260nm。结果 :测定槲皮素的线性范围为0 0125～1 0mg/ml ,r=0 9997 ;刺五加的加样回收率为 (98 99±0 63) % ,刺五加注射液的加样回收率为 (98 62±0 42) %。结论 :本分析方法简便、快速、准确 。

OBJECTIVE:A HPCE method for determination of Quercetin in acanthopanax and acanthopanax injection was developed.METHODS:Measurements were carried out in a buffer solution containing 50mmol/L boric acid solution and 50mmol/L SDS(pH 8.5),at 20kV running voltage applied to a 50cm×50μm capillary.The detection wavelength was 260nm.RESULTS:The linear range of quercetin was 0.0 125～1.0mg/ml.The recovery of acanthopanax was (98.99±0.63)%.The recovery of acanthopanax injection was (98.62±0.42)%.CONCLUSION:The method is simple,rapid,accurate and suitable for determination of quercetin in acanthopanax and acanthopanax injection.