A kind of mixture for preventing and treating porcine contagious pleuropneumonia and preparation method thereof
A pleuropneumonia and infectious technology is applied in the field of Wuhuanghu mixture and its preparation, which can solve the problems of high treatment cost, inconvenient medication, unreliable curative effect and the like, and achieve the effects of simple preparation process, convenient administration and reliable effect.
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[0023] (1) Preparation of Coptis chinensis extract: take Coptis chinensis and crush it through a 20-mesh sieve to obtain coarse powder, heat and reflux the coarse powder with 5-10 times the amount of 60-70% ethanol at 90 °C for 1-3 times, each time 1 After ~2h, the filtrates were combined and concentrated to obtain Coptis Rhizoma extract with a crude drug concentration of 1 g / ml.
[0024] (2) Preparation of ebony extract: Take ebony and crush it through a 20-mesh sieve to get coarse powder, heat and reflux the coarse powder with 6-10 times the amount of 60-95% ethanol at 90°C for 1-3 times, 4-8 times each time. h, the filtrates were combined and concentrated to obtain an ebony extract with a crude drug concentration of 1 g / ml.
[0025] (3) Preparation of Polygonum cuspidatum extract: take Polygonum cuspidatum and crush it through a 20-mesh sieve to obtain coarse powder, heat and reflux the coarse powder with 5-8 times the amount of 60-80% ethanol at 90 °C for 1-3 times, 1-2 ti...
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