水提醇沉法为制备中药注射剂常用除杂质方法。含醇量的高低直接影响中药注射剂的质量。含醇量过低,杂质除不尽;含醇量过高,沉淀过快,有效成分含量降低,影响疗效。每次计算含醇量,既麻烦又费时。我们根据十几年来的实践经验设计了一个检索表,使用方便、准确,可供参考。 The water extraction and alcohol precipitation method is commonly used in the preparation of traditional Chinese medicine injection impurities removal method. The level of alcohol content directly affects the quality of traditional Chinese medicine injections. Alcohol content is too low, in addition to impurities; alcohol content is too high, precipitation is too fast, the content of active ingredients is reduced, affecting efficacy. Calculating the amount of alcohol each time is troublesome and time consuming. Based on more than ten years of practical experience, we have designed a search table that is easy to use and accurate for reference.