Medicinal composition containing rhodiola and ginkgo leaf, and its use
A technology of extracts and compositions, applied in the field of traditional Chinese medicine preparations, can solve the problems of undiscovered Rhodiola rosea extract, etc., and achieve the effects of remarkable curative effect, safe use, and less toxic and side effects
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Embodiment 1
[0073] (1) Preparation of Rhodiola rosea extract: Appropriately pulverize Rhodiola rosea raw material, select ethanol solution with 70% solvent, use 8 times, heat reflux (80°C) 3 times, each time for 2 hours, reclaim ethanol, extract Dilute the solution with an appropriate amount of purified water, let it stand, combine the extracts, filter, and concentrate appropriately, the concentrated solution is absorbed by the macroporous adsorption resin, washed with distilled water until the effluent is colorless, eluted with dilute ethanol, collected the eluent, and decompressed Recover the ethanol until there is no alcohol smell, collect the eluate, concentrate, and dry to obtain the Rhodiola rosea extract.
[0074] (2) Preparation of Ginkgo biloba extract: Ginkgo biloba raw material is broken, adding an appropriate amount of temperature is 80 ℃ concentration is 65% ethanol solution to extract 2 times, solvent consumption is 6 times, each 2 hours, reclaim solvent, Filter out medicina...
Embodiment 2
[0084] (1) Preparation of Rhodiola rosea extract: Appropriately pulverize the Rhodiola rosea raw material, use 65% ethanol solution as solvent, use 6 times the amount, heat reflux (85° C.) twice for 2 hours each time, reclaim ethanol, extract Dilute the solution with an appropriate amount of purified water, let it stand, combine the extracts, filter, and concentrate appropriately, the concentrated solution is absorbed by the macroporous adsorption resin, washed with distilled water until the effluent is colorless, eluted with dilute ethanol, collected the eluent, and decompressed Recover the ethanol until there is no alcohol smell, collect the eluate, concentrate, and dry to obtain the Rhodiola rosea extract.
[0085] (2) Preparation of Ginkgo biloba extract: Ginkgo biloba raw material is broken, adding an appropriate amount of temperature is 70 ° C concentration of 50% ethanol solution to extract 2 times, solvent consumption is 10 times, each 3 hours, reclaim solvent, Filter ...
Embodiment 3
[0095] (1) Preparation of Rhodiola rosea extract: moderately pulverize Rhodiola rosea raw materials, use 75% ethanol solution as solvent, use 10 times the amount, heat reflux (70°C) twice for 3 hours each time, reclaim ethanol, extract Dilute the solution with an appropriate amount of purified water, let it stand, combine the extracts, filter, and concentrate appropriately, the concentrated solution is absorbed by the macroporous adsorption resin, washed with distilled water until the effluent is colorless, eluted with dilute ethanol, collected the eluent, and decompressed Recover the ethanol until there is no alcohol smell, collect the eluate, concentrate, and dry to obtain the Rhodiola rosea extract.
[0096] (2) Preparation of Ginkgo biloba extract: Ginkgo biloba raw material is broken, adding an appropriate amount of temperature is 75 ℃ concentration is 60% ethanol solution to extract 2 times, solvent consumption is 10 times, each 2 hours, reclaim solvent, Filter out medic...
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