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目的:建立温肺止咳软胶囊中甘草酸、6-姜酚、和厚朴酚、厚朴酚的含量测定方法。方法:采用高效液相色谱法,用C18色谱柱(4.6mm×200mm,5μm);甲醇-0.05mol·L-1乙酸铵-冰乙酸(65∶35∶0.5)为流动相;流速1.000mL·min-1,检测波长250nm,柱温30℃。结果:该法回收率甘草酸为98.17%,6-姜酚为99.14%,和厚朴酚为98.31%,厚朴酚为99.49%。结论:本方法可作为控制温肺止咳软胶囊质量的方法。
Objective: To establish a method for the determination of glycyrrhizin, 6-gingerol, honokiol and magnolol in Wenfeizhike soft capsules. Methods: The mobile phase consisted of C18 column (4.6mm × 200mm, 5μm), methanol-0.05mol·L-1 ammonium acetate-glacial acetic acid (65:35:0.5), flow rate of 1.000mL · min-1, detection wavelength 250nm, column temperature 30 ℃. Results: The recovery rate of glycyrrhizic acid was 98.17%, 6-gingerol was 99.14%, honokiol was 98.31%, honokiol was 99.49%. Conclusion: This method can be used as a method to control the quality of Wenfei Cough Capsule.