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目的探讨连花清瘟胶囊对照品溶液的保存条件和有效期,规范中药检验对照品的管理。方法按照《中国药典》(一部)中药的薄层色谱法对照品溶液进行薄层成像实验,比较不同时间、不同保存条件下不同质量浓度对照品溶液的成像效果。结果确定了薄荷脑标准液、大黄酸标准液、甘草标准液、金银花标准液、绿原酸标准液和麻黄碱标准液的最佳保存条件和期限。结论本研究为中药对照品保存期限设定和标准化管理提供了一定依据,有利于减少对照品的损耗、节约药品检验成本。
Objective To investigate the preservation conditions and expiration date of the reference substance solution of Lianhua Qingwen Capsule and standardize the management of the reference substance of traditional Chinese medicine test. Methods According to the Chinese Pharmacopoeia (a) of the TLC of reference substance solution of thin layer imaging experiments to compare different time, different preservation conditions of different mass concentration of reference solution solution imaging results. Results The optimal conditions and duration of menthol standard solution, rhein standard solution, licorice standard solution, honeysuckle standard solution, chlorogenic acid standard solution and ephedrine standard solution were determined. Conclusion This study provided some evidences for setting the shelf life and standardization of Chinese reference substance, which will help reduce the loss of reference substance and save the cost of drug testing.