Medicine for treating common cold and preparation method
A technology for medicine and cold, applied in the field of preparation of the medicine, can solve the problems of inaccurate curative effect and slow onset of Chinese patent medicine, and achieve the effects of prolonging the incubation period of cough, prolonging the incubation period and reducing the number of coughs
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Embodiment 1
[0021] Take 380g of bitter almonds, steam for 20 minutes with steam, crush them into coarse particles, heat and reflux extract with 380g of platycodon grandiflorum with 8 times the amount of 65% ethanol for 3 times, each time for 1 hour, combine the extracts, recover the ethanol under reduced pressure, and concentrate the liquid to Clear ointment with a relative density of 1.28 (60°C), set aside; take another 610g of forsythia, 450g of honeysuckle, 450g of Artemisia annua, and 380g of Bupleurum, soak in water for 1 hour, decoct 3 times, add 10 times of water each time, and decoct for 1.5 hours At the same time, collect the volatile oil, add 1ml of absolute ethanol to dissolve each 1ml of volatile oil, slowly add 6 times the amount into the saturated aqueous solution of β-cyclodextrin, stir at 40°C for 2 hours, refrigerate overnight, filter with suction, dry at 40°C, and sieve. Standby; filter the decoction, then filter the filtrate with a hollow fiber ultrafilter with a molecul...
Embodiment 2
[0023] Take 350g of bitter almonds, steam for 25 minutes, crush them into coarse particles, heat and reflux with 350g of platycodon grandiflorum with 6 times the amount of 75% ethanol to extract twice, each time for 2 hours, combine the extracts, recover the ethanol under reduced pressure, and concentrate the liquid to Clear ointment with a relative density of 1.32 (60°C), set aside; take another 650g of forsythia, 430g of honeysuckle, 430g of Artemisia annua, and 350g of Bupleurum, soak in water for 2 hours, decoct 3 times, add 13 times of water each time, and decoct for 1 hour , and collect the volatile oil at the same time, add 1ml of absolute ethanol to dissolve every 1ml of volatile oil, slowly add 6 times the amount of β-cyclodextrin saturated aqueous solution, stir at 40°C for 2 hours, refrigerate overnight, suction filter, dry at 40°C, and sieve, Standby; filter the decoction, then filter the filtrate with a hollow fiber ultrafilter with a molecular weight cut-off of 30...
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