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目的:制定麻芩口服液的质量控制方法。方法:采用薄层色谱法对制剂中麻黄、甘草、黄芩进行定性鉴别,并用紫外分光光度法对制剂中的黄芩苷进行含量测定。结果:黄芩苷在4.0～12.0μg·ml-1浓度范围内与吸收度呈良好线性关系。其回归方程为:A=0.058C-0.028,r=0.9999,平均回收率为98.79%。结论:该含量测量方法准确可靠,重复性好,可用于制剂的质量控制。
Objective: To establish the quality control method of paralysis oral solution. Methods: The ephedra, licorice and radix astragali were identified by TLC, and the content of baicalin in the preparation was determined by UV spectrophotometry. Results: The baicalin has a good linear relationship with the absorbency in the range of 4.0-12.0 μg·ml-1. The regression equation is: A=0.058C-0.028, r=0.9999, and the average recovery rate is 98.79%. Conclusion: The content measurement method is accurate, reliable and reproducible, and can be used for the quality control of the preparation.