American cockroach medicinal composition for curing oral ulcers and preparation method thereof
A technology of Periplaneta americana and oral ulcers, which is applied in the field of medicine, can solve the problems of poor curative effect and no curative effect of oral ulcers, and achieve the effect of improving curative effect and simple preparation method
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[0028] The preparation method of the American cockroach pharmaceutical composition for the treatment of oral ulcer may further comprise the steps:
[0029] 1. Preparation of Periplaneta americana extract:
[0030] a, coarse crushing: the dried Periplaneta americana is pulverized, and the Periplaneta americana coarse powder is prepared for subsequent use;
[0031] b. Soaking: add 3 to 5 times the amount of water for every 100kg of coarse powder, and soak for 0.5 to 2 hours at a temperature of 70 to 78°C to prepare a coarse powder mixture for later use; among them, the preferred solution is: add water The amount is 4 times the amount, the soaking time is 1 hour, and the soaking temperature is 74°C;
[0032] c, three extractions: the coarse powder mixed solution is extracted three times by decocting, and when the coarse powder mixed solution is extracted for the first time, the extraction time is 7 to 9 hours; After adding 2 to 4 times the amount of water of the remaining liqui...
Embodiment 1
[0043] Carry out according to the above method, coarsely crush the dried Periplaneta americana, add 300Kg water for every 100Kg coarse powder, soak for 0.5 hours, the temperature is about 70°C, extract three times, the first time is 7 hours; add water 200Kg for the second time, extract 5 hours; add 200Kg of water for the third time, and extract for 3 hours; combine the three extracts, filter, and concentrate the filtrate to a relative density of 1.05-1.08 (70°C), add ethanol with a concentration of 93% w / w to make an alcohol-containing The volume is 40%, 70 ℃ heat preservation and stirring for 20 minutes, let stand for 10 hours, discard the upper layer of grease, filter the lower layer of liquid medicine, the filtrate recovers ethanol, concentrates under reduced pressure to a relative density of 1.15 ~ 1.18 (70 ℃), and concentrates at normal pressure to Moisture ≤ 25% ointment, promptly must contain Periplaneta americana extract, for subsequent use; Press Periplaneta americana ...
Embodiment 2
[0045] Carry out according to the above method, coarsely crush the dried Periplaneta americana, add 500Kg water for every 100Kg coarse powder, soak for 2 hours, the temperature is about 78°C, extract three times, the first time is 9 hours; add water 400Kg for the second time, extract 7 hours; add 400Kg of water for the third time, and extract for 5 hours; combine the three extracts, filter, and concentrate the filtrate to a relative density of 1.22 to 1.25 (90°C), add ethanol with a concentration of 97% w / w to make alcohol-containing The amount is 55%, 90 ℃ heat preservation and stirring for 40 minutes, stand still for 14 hours, discard the upper layer of grease, filter the lower layer of liquid medicine, the filtrate recovers ethanol, concentrates under reduced pressure to a relative density of 1.27 ~ 1.30 (90 ℃), and concentrates at normal pressure to Moisture ≤ 35% ointment, promptly must contain the Periplaneta americana extract, for subsequent use; Press Periplaneta americ...
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