Shuangjinlian pharmaceutical composition (prepared from flos lonicerae, trollius chinensis and forsythia) and Shuangjinlian atomization inhalation solution as well as preparation methods and application of Shuangjinlian pharmaceutical composition and Shuangjinlian atomization inhalation solution
A technology of atomization inhalation and composition, applied in the field of medicine, can solve the problems of large dosage and low inhibition rate of viral pneumonia, and achieve the effects of reducing dosage of medicine, improving patient compliance, and avoiding first-pass effect.
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Embodiment 1
[0048] The preparation methods of the pharmaceutical composition of Shuangjinlian and the solution for inhalation of Shuangjinlian are as follows:
[0049] a. The four herbs of Lonicera japonica 42%, Nasturtium 8%, Forsythia 14%, Bupleurum 10% are ultra-finely crushed by weight, sieved through a fine sieve of >300 mesh, and put into water at 60℃ After immersing for 2 hours, the medicinal solution is dynamically extracted by pump circulation, and the extracted medicinal solution is dynamically soaked in water at 60℃ for 1.5 hours, then combined with decoction and filtration. When cooled to 60℃, it is concentrated to relative density under vacuum conditions. After it is 1.20 (measured at 80°C), slowly add ethanol when the liquid is cooled to 40°C, and stir fully when the alcohol content reaches 70%. After standing for 12 hours, take the supernatant and reduce Press to recover the ethanol until there is no alcohol taste to obtain an alcohol paste (relative density 1.10, accounting f...
Embodiment 2
[0062] The preparation methods of the pharmaceutical composition of Shuangjinlian and the solution for inhalation of Shuangjinlian are as follows:
[0063] a. According to the weight ratio, 45% of Lonicera japonica, Trollius 5%, Scutellaria baicalensis 30%, Forsythia 10% four herbs are decocted twice in water for 60 minutes each time, filtered, and then combined the filtrate and let stand for 12 hours; Take the supernatant of the filtrate and absorb it on a pre-treated colorless and clear macroporous resin column (flow rate 5ml / min), discard the cleaning solution, and then elute with 85% ethanol. When the yellow ethanol solution flows out, start collecting The eluent does not contain baicalin; then the ethanol is recovered and concentrated to a liquid extract (relative density 1.10, accounting for 8% of the total volume of the atomized inhalation solution to be prepared, (v / v)) for use;
[0064] b. Extract the volatile oil of Bupleurum: Put 10% (by weight) dry powder of Bupleurum i...
Embodiment 3
[0099] a. According to weight ratio, 45% of Lonicera japonica, Nasturtium 5%, Scutellaria baicalensis 30%, Forsythia 10% four herbs are decocted twice in water for 60 minutes each time, filtered, and then combined the filtrate. Concentrate under reduced pressure into a clear paste with a specific gravity of 1.20±0.05 (50°C).
[0100] b. After stirring and mixing the clear paste obtained in a with a certain amount of low-concentration ethanol, slowly add high-concentration ethanol to make the liquid alcohol content reach 60%-80%, let stand for more than 24 hours, filter the supernatant, and Recycle ethanol to obtain alcohol paste
[0101] c. Use steam distillation to extract the volatile oil for 10% of Bupleurum humilis for 3 hours, for use;
[0102] d. Mix the alcohol-reducing cream obtained in b with the volatile oil obtained in c, and add water to make a fixed volume mixture, and dispense it into 10ml / piece or 100ml / bottle specifications.
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