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目的建立HPLC法测定跳骨片中血竭素含量的方法。方法采用反相C18柱,乙腈-0.05mol/L磷酸二氢钠(35:45),用磷酸调PH值为3.14为流动相,检测波长:440nm,流速:1.0ml/min。结果血竭素进样量在0.13945~0.41835g范围内,呈良好的线性关系(r=0.9999),平均回收率为99.69%。结论采用HPLC法测定跳骨片中血竭素含量具有灵敏度好,而且准确,简便,合理可行。
OBJECTIVE To establish a HPLC method for the determination of dracorhodin in Jiao Gou tablets. Methods The reversed-phase C18 column was used with acetonitrile-0.05mol / L sodium phosphate monobasic (35:45). The pH was adjusted to 3.14 with phosphoric acid as the mobile phase. The detection wavelength was 440nm and the flow rate was 1.0ml / min. Results Doxorubicin injection volume ranged from 0.13945 to 0.41835g, showing a good linear relationship (r = 0.9999) with an average recovery of 99.69%. Conclusion The method of HPLC for determining the content of dracorhodin in jianggou tablets is sensitive, accurate, simple, and feasible.