Method for controlling quality of Xingsu cough syrup
A quality control method and cough syrup technology, applied in measuring devices, instruments, scientific instruments, etc., can solve the problems of ineffective control of the quality of Xingsu cough syrup preparations, difficult product quality control, backward quality control methods of Xingsu cough syrup, etc. question
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[0087] Embodiment: the quality control method of Xingsu cough syrup comprises:
[0088] Identification: (1) Take 20 mL of Xingsu cough syrup, concentrate it in a water bath to extract, add a few drops of concentrated ammonia test solution, add 30 mL of chloroform, ultrasonicate for 1 h, filter, evaporate the filtrate to dryness, add Methanol 2 mL was shaken sufficiently, filtered, and the filtrate was used as the test solution. Take another ephedrine hydrochloride reference substance, add methanol to make a solution containing 1 mg per 1 mL, as the reference substance solution. Then measure the negative control medicinal material without ephedra according to the prescription, and make the negative control solution in the same way. According to the thin-layer chromatography test according to Appendix VIB of the Chinese Pharmacopoeia in 2005, draw 10 μL of the test solution and negative reference solution, and 2 μL of the reference solution, respectively, and place them on the ...
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