A kind of preparation method of Siye Jiangzhi chewable tablet
A technology of chewable tablets and lotus leaves, which is applied in the field of preparation of lipid-lowering and weight-loss drugs, can solve the problems of affecting lipid-lowering activity, leaching out many impurities, and difficulty in extracting active ingredients, etc., and achieve the effect of reducing body weight, increasing the beauty of pigment, and moderate hardness
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Embodiment 1
[0012] 1) The dried lotus leaves of 52 parts by mass, the mulberry leaves of 12 parts by mass, the ginkgo leaves of 21 parts by mass and the chrysanthemum leaves of 35 parts by mass are pulverized and passed through a 24-mesh sieve to obtain powder material a, and the powder material a is subjected to ultrafiltration. The extract was obtained by extraction with critical carbon dioxide, refrigerated at 4°C for 10 hours, suction filtered, the filtrate was recovered with ethanol, added with equal volumes of petroleum ether and water, extracted 4 times, and the aqueous layer was concentrated under reduced pressure and vacuum-dried to obtain dry extract; supercritical The process parameters of carbon dioxide extraction are: extraction time 120min, extraction temperature 45℃, CO2 2 The flow rate is 16L / h, the entrainer is 100ml of 95vt% ethanol, the separation pressure is 6MPa, and the separation temperature is 35℃.
[0013] 2) Dry the lotus leaf and pulverize it with an ultrafine p...
Embodiment 2
[0016] 1) The dried lotus leaves of 52 parts by mass, the mulberry leaves of 12 parts by mass, the ginkgo leaves of 21 parts by mass and the chrysanthemum leaves of 35 parts by mass are pulverized and passed through a 24-mesh sieve to obtain powder material a, and the powder material a is subjected to ultrafiltration. The extract was obtained by extraction with critical carbon dioxide, refrigerated at 2°C for 8 hours, suction filtered, the filtrate was recovered with ethanol, and an equal volume of petroleum ether and water was added to extract 5 times, and the aqueous layer was concentrated under reduced pressure and vacuum-dried to obtain dry extract; supercritical The process parameters of carbon dioxide extraction are: extraction time 130min, extraction temperature 50℃, CO2 2 The flow rate is 17L / h, the entrainer is 150ml of 95vt% ethanol, the separation pressure is 6MPa, and the separation temperature is 35℃.
[0017] 2) Dry the lotus leaf and pulverize it with an ultrafi...
Embodiment 3
[0020] 1) The dried lotus leaves of 52 parts by mass, the mulberry leaves of 12 parts by mass, the ginkgo leaves of 21 parts by mass and the chrysanthemum leaves of 35 parts by mass are pulverized and passed through a 24-mesh sieve to obtain powder material a, and the powder material a is subjected to ultrafiltration. The extract was obtained by extraction with critical carbon dioxide, refrigerated at 5°C for 12 hours, suction filtered, the filtrate was recovered with ethanol, and an equal volume of petroleum ether and water was added to extract 4 times, and the aqueous layer was concentrated under reduced pressure and vacuum-dried to obtain dry extract; supercritical The process parameters of carbon dioxide extraction are: extraction time 140min, extraction temperature 55℃, CO2 2 The flow rate is 18L / h, the entrainer is 200ml of 95vt% ethanol, the separation pressure is 6MPa, and the separation temperature is 35℃.
[0021] 2) Dry the lotus leaf and pulverize it with an ultraf...
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