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目的建立伤科乳膏中大黄素的含量测定方法。方法采用薄层扫描法对伤科乳膏中的大黄素进行含量测定。结果大黄素在0.392～1.96μg范围内线性关系良好,r=0.99998,平均回收率为97.28%,RSD=1.08%。空白无干扰。结论方法简便、重现性好,可作为该制剂中大黄素的含量测定方法。
Objective To establish a method for the determination of emodin in traumatological creams. Methods The content of emodin in traumatic cream was determined by TLC scanning. Results The emodin ranged from 0.392 to 1.96 μg with good linearity, r=0.99998. The average recovery was 97.28%, and the RSD was 1.08%. Blank without interference. Conclusion The method is simple, reproducible and can be used as a method for the determination of emodin in this preparation.