Detection method of yupingfeng oral liquid
A technology of Yupingfeng oral liquid and a detection method, which is applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems of inability to quickly and easily control the quality of preparations, high requirements for instruments and equipment, high costs of consumables and reagents, and achieve shortened identification. Time, strong specificity, and easy-to-judgment effects
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[0014] Below in conjunction with the examples, the present invention is further described, the following examples are illustrative, not limiting, and the protection scope of the present invention cannot be limited by the following examples.
[0015] A kind of quality control method of Yupingfeng oral liquid, the steps of its method are:
[0016] Identification of Radix Astragali and Fangfeng by Thin Layer Chromatography
[0017] ①Preparation of the test solution: Take 10 ml of Yupingfeng oral liquid sample, extract by shaking with water-saturated n-butanol 3 times, 20 ml each time, combine n-butanol solution, wash 3 times with ammonia test solution, each time 20 ml, evaporate the n-butanol solution to dryness, add 1 ml of methanol to the residue to dissolve, and use it as the test solution;
[0018] ② Preparation of reference substance solution: take astragaloside IV reference substance and 5- 0 - Take an appropriate amount of methyl visamidol glycoside reference substance, ...
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