A traditional Chinese medicine composition for treating chronic kidney disease and chronic renal failure and preparation method thereof
A technology for chronic kidney disease and chronic renal failure, applied in drug combinations, pharmaceutical formulas, medical preparations containing active ingredients, etc., can solve the undiscovered rhubarb and Danshen chronic kidney disease and chronic renal failure, inconvenient joint use ratio, Can not guarantee the combined effect and other problems, to achieve the effect of streamlining the prescription properly, improving the symptoms of blood stasis, and shortening the extraction time
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Embodiment 1
[0110]Take 1000g of rhubarb and 1000g of salvia miltiorrhiza, crush them into coarse particles, add 8 times the amount of water to soak for 20 minutes, heat and ultrasonically extract for 20 minutes for the first time, filter; Concentrate under pressure to a relative density of 1.21 at 60°C, add 5% gelatin solution to remove tannin, filter, add ethanol to make the alcohol content 75%, let stand, filter, take the filtrate and concentrate under reduced pressure to a relative density of 1.21 at 60°C , recover ethanol, continue to add ethanol to make the alcohol content 80%, let it stand, filter, recover ethanol, add water for injection to 2-3 times the amount of the liquid medicine, then add 0.3%-0.5% activated carbon, boil for 30min, filter , adjust the pH value to 7.4-7.7 to obtain rhubarb and Salvia miltiorrhiza extract, ultrafiltration, adjust the pH value to 7.4-7.7, the liquid medicine is filtered through a filter equipped with a microporous membrane, then filled and sealed,...
Embodiment 2
[0112] Take 1000g of rhubarb and 1000g of salvia miltiorrhiza, crush them into coarse particles, add 8 times the amount of water to decoct, combine the extracts, filter, collect the filtrate, concentrate, enter the macroporous resin column for adsorption and separation, and collect the first effluent; first elute with water, collect The eluate is then eluted with 50%-60% ethanol, the ethanol eluate is collected, the ethanol is recovered until there is no alcohol smell, the combined effluent is concentrated under reduced pressure to a relative density of 1.21 at 60°C, and 5% gelatin solution is added to remove Tannin, filter, add ethanol to make the alcohol content 75%, stand still, filter, take the filtrate and concentrate under reduced pressure to a relative density of 1.21 at 60°C, recover ethanol, continue to add ethanol to make the alcohol content 80%, let stand , filter, recover ethanol, add water for injection to 2-3 times the amount of the medicinal solution, then add 0....
Embodiment 3
[0114] Take 1000g of rhubarb and 1000g of salvia miltiorrhiza, crush them into fine particles and put them in the extraction kettle for CO 2 For supercritical extraction, the flow rate of the supercritical fluid entering the extraction kettle is 35L / h, the extraction pressure is 30MPa, the extraction temperature is 45°C, and the extraction time is 2.5h. The rhubarb and Danshen high-pressure fluids flowing out of the extraction kettle enter the separation kettle for Separation, separation pressure I is 8 Mpa, separation temperature I is 30°C; separation pressure II is 6 Mpa, separation temperature II is 25°C, collect the extracts of rhubarb and salvia miltiorrhiza, add water for injection to 2-3 times the amount of the liquid medicine , then add 0.3%-0.5% activated carbon, boil for 30min, filter, adjust the pH value to 7.4-7.7 to obtain the extract of rhubarb and salvia miltiorrhiza After being filtered by a filter, it is filled and sealed, and sterilized to make small-capacity...
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