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一九九五年版《中国药典》一部中收载的感冒退热颗粒(冲剂)是临床上常用的中成药。其处方主要是大青叶、板蓝根。其质量的控制主要是用薄层色谱法对大青叶中的有效成份靛玉红进行测定。具体操作:取样品16克加水50毫升使溶解,滤过,取滤液用乙醚提取2次,合并乙醚液浓缩制成供试液,以薄层色谱法试验,但在实际操作中,因样品中含有糊精、蔗糖粉等辅料,使溶解的水
The cold-fever granules (granules) contained in the 1995 edition of the Chinese Pharmacopoeia are clinically commonly used proprietary Chinese medicines. The prescriptions are mainly Daqingye and Banlangen. Its quality control is mainly determined by thin layer chromatography on the effective component of indigo in the leaves. Specific operation: Take 16 g of sample and add 50 ml of water to dissolve, filter, and take the filtrate and extract it twice with ether. Combine the ether solution to concentrate and prepare the test solution. Test it with thin layer chromatography, but in actual operation, due to the sample Contains dextrin, sucrose powder and other accessories to dissolve water