External traditional Chinese medicine composition and gel plaster for fever abatement of children, and preparation method of external traditional Chinese medicine composition and gel plaster
A composition and technology of traditional Chinese medicine, applied in the directions of antipyretics, drug combinations, pharmaceutical formulations, etc., can solve the problems of short half-life, first-pass effect, imperfection, etc., and achieve the effects of large drug load and convenient use.
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[0034] The preparation of the traditional Chinese medicine composition includes two parts: Bupleurum fragrant water and extract: The preparation methods of composition 1 and composition 3 in Table 1 are:
[0035] (1) Preparation of Bupleurum aromatic water: Take the amount of Bupleurum in combination 1 or 3 in Table 1, add 6 times the mass of deionized water, immerse it at 40℃ for 12h, and then distill to collect twice the mass of Bupleurum Distillate: After the distillate is cooled to room temperature, add 2% pure propylene glycol of the distillate by mass, and mix it evenly to obtain Bupleurum spp. aromatic water; the distilled Bupleurum dregs is ready for use.
[0036] (2) Preparation of extract: Bupleurum dregs in step (1), filtered under normal temperature and pressure, take the filter residue, add gardenia and raw rhubarb in the amount of combination 1 or combination 3 in Table 1; add the total mass of crude drug 8 80% volume percent ethanol; reflux extraction for 0.5h, the r...
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[0041] Example one
[0042] Step (1): Dissolve 70 parts of tartaric acid in a mixture of 3360 parts of deionized water and 1600 parts of Bupleurum aromatic water, and then add 200 parts of polyvinylpyrrolidone K90, 50 parts of carbomer 934, and 50 parts of carbomer 941 , Place for 12h, make polyvinylpyrrolidone K90, Carbomer 934, Carbomer 941 fully swell; get mixture one.
[0043] Step (2): Take 800 parts of sodium polyacrylate NP700, 70 parts of glycerol, 2500 parts of glycerol, 250 parts of propylene glycol, and 250 parts of sorbitol and mix them. After stirring at 120rpm for 15 minutes, add 800 parts of extract and the mixture into it. , Stirring at 240rpm speed for 20min, coating at room temperature, coating thickness is 1mm. Place it in a constant temperature and humidity environment of 25° C. and 60% RH for 12 hours, cut into certain specifications, and put it in an aluminum foil bag for sealing to obtain a Chinese medicine composition gel plaster for antipyretic external us...
Example Embodiment
[0045] Example two
[0046] Step (1): Dissolve 50 parts of tartaric acid in a mixture of 4000 parts of deionized water and 1400 parts of Bupleurum aromatic water, and then add 300 parts of polyvinylpyrrolidone K90, 25 parts of Carbomer 934, 25 parts of Carbomer 941 , Placed for 24h to fully swell polyvinylpyrrolidone K90, carbomer 934, and carbomer 941; a mixture is obtained.
[0047] Step (2): Take 700 parts of sodium polyacrylate NP700, 50 parts of aluminum glycolate, 2000 parts of glycerol, 250 parts of propylene glycol, and 500 parts of sorbitol and mix them. After stirring at 120 rpm for 15 minutes, add 700 parts of extract and the mixture into it. , Stirring at 240rpm speed for 20min, coating at room temperature, coating thickness is 1mm. Place it in a constant temperature and humidity environment of 25° C. and 60% RH for 12 hours, cut into certain specifications, and put it in an aluminum foil bag for sealing to obtain a Chinese medicine composition gel plaster for antipyre...
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