Process for preparing Chinese medicine compound injection for treating chronic renal failure and use
A compound injection, renal function technology, applied in the directions of pharmaceutical formulations, medical preparations containing active ingredients, drug combinations, etc., can solve problems such as instability of injections, and achieve the effects of improving stability and solving instability.
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Embodiment 1
[0068] Take 4500g of Radix Astragali, crush it into coarse particles, add 6 times the amount of water to decoct and extract three times, each time for 1 hour, combine the extracts, filter, add 2% gelatin to the filtrate, stir, filter, and concentrate the filtrate to a relative density of 1.15-1.25 ( (measured at 60°C), add ethanol to make the alcohol content reach 80%, refrigerate for 8 hours, filter, and the filtrate passes through the polyamide resin, and the ethanol is recovered under reduced pressure until there is no alcohol smell, and an appropriate amount of water is added to make the volume of the liquid medicine equal to about 4g / ml, pass D 101 Macroporous resin, first elute with appropriate amount of water, discard the washing liquid, then elute with 30% ethanol until the eluate is nearly colorless, then elute with 50% ethanol, collect ethanol eluate, and recover ethanol under reduced pressure to No alcohol smell, add appropriate amount of water so that the volume of...
Embodiment 2
[0072] Formula composition: Astragalus 450g, rhubarb crude powder 4500g,
[0073] Preparation method: with embodiment 1
Embodiment 3
[0075] Formula composition: Astragalus 4500g, rhubarb crude powder 450g,
[0076] Preparation method: with embodiment 1
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