Preparation method and quality control method of sugar-free stranguria-treating and calculus-removing particles
A quality control method and sugar-free technology, which can be applied to medical preparations without active ingredients, medical preparations containing active ingredients, pharmaceutical formulas, etc., which can solve the uncertainty of drug safety and effectiveness, and it is difficult to ensure drug quality. , control of total flavonoid content of active ingredients, etc.
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Embodiment 1
[0026] (1) Extraction Take 1500g of Desmodium glabra, put it into a multi-functional tank after pre-treatment, and heat it to 95-100°C under normal pressure to extract twice, add 8 times the weight (w / w) of water for the first time, Add 6 times the weight (w / w) of water for the second time, extract for 1 hour each time, filter with a 200-mesh filter cloth, and combine the filtrates;
[0027] (2) Concentration Concentrate the filtrate from step (1) to a clear paste with a relative density of 1.20 (thermal measurement, 70-80°C), collect the concentrated solution, and filter it with a 200-mesh filter cloth;
[0028] (3) Alcohol precipitation Move the concentrated solution of step (2) to the ethanol precipitation tank, cool to room temperature, add 95% ethanol about 2.2 times the amount of clear paste to make the alcohol content reach about 65%, stir evenly, and let it stand 24 hours;
[0029] (4) Recover the ethanol and take the supernatant of step (3), filter it through a 200-m...
Embodiment 2
[0033] The relative density in step (5) is 1.24, 700 g of maltodextrin, 750 g of calcium hydrogen phosphate, 3 g of protein sugar, 7 g of xylitol, and 4 g of cyclamate in step (6), and the others are basically the same as in Example 1.
Embodiment 3
[0035] The relative density in step (5) is 1.26, maltodextrin 1430g, stevioside 10g in step (6), and others are basically the same as in Example 1.
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