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目的:对冬凌草萜含片中的冬凌草甲素进行含量测定。方法:采用HPLC 法,以C18ODS 为色谱柱,甲醇水(55∶45) 为流动相,检测波长为242nm 。结果:回收率为98 .23 % ,RSD 为2 .12 % 。结论:该方法简便、可靠,适合冬凌草及其制剂的质量控制
Objective: To determine the content of oridonin in Donglingcao lozenges. Methods: HPLC method was used with C18ODS as the column, methanolwater (55∶45) as the mobile phase, and the detection wavelength was 242 nm. Result: The recovery rate was 98. 23%, RSD is 2. 12%. Conclusion: This method is simple, reliable and suitable for quality control of Oridonin and its preparations.