Quality control method of fructus xanthil dripping pills for treating rhinitis
A quality control method and technology of cocklebur, which can be applied to medical preparations containing active ingredients, measuring devices, pharmaceutical formulas, etc., and can solve the problems of inaccurate and reliable quality control of cocklebur rhinitis dripping pills, non-compliance, etc.
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Embodiment 1
[0109] The present embodiment is: using the method of the present invention to treat 10 batches of cocklebur rhinitis dripping pills (batch numbers: 041201, 041202, 041203, 041204, 041205, 041206, 041207, 041208, 041209, 041210, all produced by Sichuan Hebang Sunshine Pharmaceutical Co., Ltd. Provided by the company) to measure the content of baicalin, the specific method is as follows:
[0110] Chromatographic conditions and system suitability test: octadecylsilane bonded silica gel is used as filler; methanol-water-phosphoric acid (47:53:0.2, volume ratio) solution is used as mobile phase, flow rate is 1ml / min; detection wavelength is 280nm ; Column temperature: 40°C. The number of theoretical plates calculated based on the baicalin peak is not less than 2500.
[0111] Preparation of reference substance solution: Accurately weigh an appropriate amount of baicalin reference substance, add 50% methanol to make a solution containing about 45 μg of baicalin per 1 ml, and obtain...
Embodiment 2
[0117] The present embodiment is: using the method of the present invention to treat 10 batches of cocklebur rhinitis dripping pills (batch numbers: 041201, 041202, 041203, 041204, 041205, 041206, 041207, 041208, 041209, 041210, all produced by Sichuan Hebang Sunshine Pharmaceutical Co., Ltd. Provided by the company) for TLC identification, the specific method is as follows:
[0118] (1), Scutellaria baicalensis and Angelica dahurica TLC identification:
[0119] A, preparation of test solution:
[0120] Take 5g of Xanthium rhinitis dropping pills, add 20ml of dilute hydrochloric acid with a concentration of 10% by mass, heat and reflux for extraction for 1 hour, let cool, filter, and shake the filtrate with diethyl ether to extract twice, 20ml each time, the aqueous solution is used for later use, and combined Diethyl ether extract, washed with water to neutral, evaporated to dryness, the residue was dissolved in 1ml of ethanol, as need testing solution I;
[0121] Get the n...
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