Quality control method of Yangrong Baicao Wan for treating irregular menses caused by hemophthisis
A technology for irregular menstruation and women's blood loss, which is applied in measuring devices, pharmaceutical formulations, unknown raw materials, etc., can solve the problems of different proportions, identification items, and imperfect identification methods and content determination methods, and achieve the effect of improving product quality.
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[0060] Preparation of reference substance solution Weigh an appropriate amount of paeoniflorin reference substance, weigh it accurately, put it in a 100mL measuring bottle, add 50% methanol to dilute to the mark, shake well, and you get it. (Each 1mL contains paeoniflorin 0.1mg)
[0061] Preparation of the test solution Weigh 1g of this product, weigh it accurately, put it in a 100mL conical flask with a stopper, add 50mL of 50% ethanol, weigh it, place it in the ultrasonic for 30 minutes, take it out and let it cool, weigh again and make up the ultrasonic solution. Reduce the amount lost, shake well, filter through a 0.45μm filter membrane, and take the subsequent filtrate to obtain the product.
[0062] Determination method Draw the above-mentioned two reference substance solutions and 5 μL of the test solution respectively, inject it into the liquid chromatograph, measure it, and obtain it. Each gram of this product contains Radix Paeoniae Alba and Paeoniflorin (C 23 h 2...
Embodiment 2
[0065] Example 2 Yangrong Baicao Pill Quality Standard Drafting Description: In order to achieve the purpose of the present invention in the research of qualitative identification of this product, the design carries out qualitative identification to tangerine peel and Cyperus cyperi in the prescription, using different sample processing methods and different polarities Separation was carried out with the expansion system, and after improvement in sample processing, spot plate identification was performed. As a result, the medicinal flavors of tangerine peel and Cyperus cyperi were separated well, with the same spots at the same position as the reference substance, and the negatives had no interference, and the reproducibility was good. Therefore, the TLC identification method of tangerine peel and Cyperus cyperi in the prescription was established. In the design of the quantitative analysis of this product, the composition analysis experiment was carried out with the prescripti...
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