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目的:建立干酪素法测定榆黄喷雾剂中鞣质含量的方法。方法:参照《中国药典》中干酪素法测定鞣质含量。结果:干酪素法线性关系良好,鞣质平均回收率为99.1%,RSD=2.91%(n=3)。结论:该法简单、灵敏,可作为测定榆黄喷雾剂中鞣质含量的方法。
Objective: To establish a method for the determination of tannin content in elm spray by casein method. Methods: According to “Chinese Pharmacopoeia” casein method for the determination of tannin content. Results: Casein had a good linear relationship with an average tannin recovery of 99.1% and RSD = 2.91% (n = 3). Conclusion: The method is simple and sensitive and can be used as a method to determine the content of tannin in elm spray.