Intravenous administration preparation extracted from marsdenia tenacissima stem
A technology of intravenous administration and customs clearance, which can be applied in medical preparations containing active ingredients, drug delivery, and drug combinations, etc., and can solve the problems of complex extraction process, cumbersome actual operation, and improvement of extraction process.
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Embodiment 1
[0026] Embodiment 1: Preparation of Xiaoaiping injection preparation
[0027] Taking the preparation of 50 Xiaoaiping injections as an example, the specification of the preparation is 20ml / bottle. Add water to 1000g of Tengguan vine and decoct 3 times, the amount of water added is 10 times, 8 times, and 6 times the weight of Tengguan vine in turn, and the decocting time is 1.5 hours, 1 hour, and 0.8 hours in turn. Combine the decoctions, filter, and concentrate the filtrate to The density is 1.02 (about 400ml), let it cool, add 8 times the amount of 85% ethanol (volume ratio to the concentrated solution), stir well, place at 4°C for 24 hours, filter, and concentrate the filtrate to a density of 1.03 (about 300ml), Filter, add 8 times the amount of ethanol (volume ratio to the concentrated solution), stir well, place at -15°C for 48 hours, filter, concentrate the filtrate until there is no alcohol smell, place at 4°C for 48 hours, filter, concentrate the filtrate to density 1....
Embodiment 2
[0028] Embodiment 2: the preparation of Xiaoaiping injection preparation
[0029] Taking the preparation of 50 Xiaoaiping injections as an example, the specification of the preparation is 20ml / bottle. Add water to 1000g of Tengguan vine and decoct 3 times, the amount of water added is 10 times, 8 times, and 6 times the weight of Tengguan vine in turn, and the decocting time is 1.5 hours, 1 hour, and 0.8 hours in turn. Combine the decoctions, filter, and concentrate the filtrate to The density is 1.03 (about 400ml), let it cool, add 8 times the amount of 85% ethanol (volume ratio to the concentrated solution), stir well, place at 4°C for 24 hours, filter, and concentrate the filtrate to a density of 1.04 (about 300ml), Filter, add 8 times the amount of ethanol (volume ratio to the concentrated solution), stir well, place at 4°C for 48 hours, filter, recover the ethanol from the filtrate until it has no alcohol smell, place at 4°C for 48 hours, filter, concentrate the filtrate t...
Embodiment 3
[0030] Embodiment 3: the preparation of Xiaoaiping injection preparation
[0031]Taking the preparation of 50 Xiaoaiping injections as an example, the specification of the preparation is 20ml / bottle. Add water to 1000g of Tengguan vine and decoct 3 times. The amount of water added is 10 times, 8 times, and 8 times the weight of Tengguan vine. The decocting time is 1.5 hours, 1 hour, and 1 hour. The density is 1.02 (about 400ml), let it cool, add 10 times the amount of 85% ethanol (volume ratio to the concentrated solution), stir well, place at 4°C for 26 hours, filter, and concentrate the filtrate to a density of 1.02 (about 300ml), Filter, add 10 times the amount of ethanol (volume ratio to the concentrated solution), stir well, place at -5°C for 50 hours, filter, recover the ethanol from the filtrate until it has no alcohol smell, place at 4°C for 50 hours, filter, and concentrate the filtrate to The density is 1.03 (about 200ml), and the extract is obtained. The extract i...
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