Method for preparing tablets for treating rhinitis
A technology of Ling tablets and rhinitis, which is applied in the field of drug preparation, can solve the problems of large daily dosage of patients, rough workmanship, and impact on clinical application, and achieve the effect of reducing dosage
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Embodiment 1
[0077] Take 200g of cocklebur (stir-fried yellow) and 30g of Angelica dahurica, crush them, mix them, add 2L of 70% ethanol, put them into a microwave extraction device for microwave extraction, extraction power is 400W, extract twice, 4 minutes each time, combine the extracts, Concentrate, add to D101 macroporous adsorption resin column, elute with 50% ethanol, collect 5 times the column volume eluate, recover ethanol under reduced pressure, concentrate, use acetone-ethyl acetate mixed solution with a ratio of 1:5 6-stage countercurrent extraction, collect the extract, recover the solvent under reduced pressure and concentrate, dry to obtain the pale extract, and set aside; take magnolia 150g, Asarum 30g, Scutellaria baicalensis 30g, Chuan Fritillaria 40g, and tempeh 40g, add to CO 2 In a supercritical extractor, ethanol is used as an entrainer, and the volume percentage of the entrainer in the total extraction solvent is 1%, the extraction pressure is 20MPa, the temperature i...
Embodiment 2
[0084] Take 200g of cocklebur (stir-fried yellow) and 30g of Angelica dahurica, crush them, mix them, add 2L of 70% ethanol, put them into a microwave extraction device for microwave extraction, extraction power is 600W, extract twice, 8 minutes each time, combine the extracts, Concentrate, add to D101 macroporous adsorption resin column, elute with 50% ethanol, collect 5 times the column volume eluate, recover ethanol under reduced pressure, concentrate, use acetone-ethyl acetate mixed solution with a ratio of 1:5 6-stage countercurrent extraction, collect the extract, recover the solvent under reduced pressure and concentrate, dry to obtain the pale extract, and set aside; take 150g magnolia, 30g Asarum, 30g Scutellaria baicalensis, 40g Chuan Fritillaria, 40g light tempeh, add to CO 2 In the supercritical extractor, ethanol is used as an entrainer, the entrainer accounts for 3% by volume of the total extraction solvent, the extraction pressure is 30MPa, the temperature is 60°...
Embodiment 3
[0091] Take 200g of cocklebur (stir-fried yellow) and 30g of Angelica dahurica, crush them, mix them, add 2L of 70% ethanol, put them into a microwave extraction device for microwave extraction, extraction power is 500W, extract twice, 6 minutes each time, combine the extracts, Concentrate, add to D101 macroporous adsorption resin column, elute with 50% ethanol, collect 5 times the column volume eluate, recover ethanol under reduced pressure, concentrate, and carry out with acetone-ethyl acetate mixed solution with a ratio of 1:5 6-stage countercurrent extraction, collect the extract, recover the solvent under reduced pressure and concentrate, dry to obtain the pale extract, and set aside; take 150g magnolia, 30g Asarum, 30g Scutellaria baicalensis, 40g Chuan Fritillaria, 40g light tempeh, add to CO 2 In the supercritical extractor, ethanol is used as an entrainer, the entrainer accounts for 2% by volume of the total extraction solvent, the extraction pressure is 25MPa, the tem...
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