目的:测定复方银杏口服液中阿魏酸的含量,建立复方银杏口服液的含量测定方法。方法:样品脱脂后先后采用石油醚,醋酸乙酯萃取,再用醋酸乙酯溶解,点样,用TLC法测定阿魏酸的舍量。结果:测定了三批复方银杏口服液中阿魏酸的含量,建立了该制剂中阿魏酸的含量测定方法。结论:方法简便,准确,灵敏,重现性好,专属性强,可作为该制剂的质量控制标准。 Objective: To determine the content of ferulic acid in compound ginkgo oral solution and establish a method for the determination of compound ginkgo oral solution. Methods: The samples were degreased and then extracted with petroleum ether and ethyl acetate, then dissolved with ethyl acetate. The sample was spotted and ferulic acid was determined by TLC. Results: The contents of ferulic acid in three batches of compound ginkgo oral liquid were determined, and the determination method of ferulic acid in the preparation was established. Conclusion: The method is simple, accurate, sensitive, reproducible and specific. It can be used as a quality control standard for the preparation.