A kind of traditional Chinese medicine composition for treating dementia and its preparation method and application
A composition and technology of traditional Chinese medicine, applied in the field of traditional Chinese medicine composition and preparation thereof, can solve problems such as vascular dementia that have not been treated
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Embodiment 1
[0181] Take the clove medicinal material, crush it into a coarse powder, and use supercritical CO 2 Extract the volatile oil to obtain extract A; take the summer non-medicinal material, add water to decoct 3 times, reflux for 1 hour each time with 5 times the amount, filter, combine the filtrate, and concentrate under reduced pressure to 1:1 (volume of medicinal solution V / weight of crude drug W ), use 1% HCl to adjust the pH to 3.5, then put on the cation exchange resin column, wash with water and 50% ethanol successively to remove impurities, then elute with 75% alkaline ethanol solution containing 5% ammonia water, collect the eluent, Concentrate under reduced pressure and dry to obtain extract B; take turmeric medicinal material, grind it into coarse powder, and use supercritical CO 2 Extract to obtain extract C. Mix the above three kinds of extracts according to the following weight ratio: A27:B 50:C20 to obtain the extract of the prescription, add conventional pharmaceu...
Embodiment 2
[0183] Take clove medicinal material, crush it into coarse powder, reflux extract with 25 times the amount of 70% ethanol for 1 hour, ultrafilter the extract to obtain ultrafiltrate A; take summer no medicinal material, add 25 times the amount of 40% ethanol, reflux for 1.5 hours, filter , the filtrate is concentrated under reduced pressure to 1:1 (medicine solution volume V / crude drug weight W), and the concentrated solution is directly applied to a macroporous adsorption resin column, followed by elution with 3% NaOH and 10% ethanol to remove impurities, and then 40% ethanol Elution, collecting eluate, ultrafiltration to obtain ultrafiltrate B; take turmeric medicinal material, grind it into coarse powder, reflux extract with 25 times the amount of 95% ethanol for 2 hours, ultrafiltrate the extract to obtain ultrafiltrate C. The above three ultrafiltrates were mixed according to the following weight ratio: A36:B 50:C20 to obtain a mixed solution, which was added with conventi...
Embodiment 3
[0185]Take the clove medicinal material, crush it into a coarse powder, and use the steam distillation method to volatile oil to obtain extract A; take the summer non-medicinal material, add 75% ethanol and extract 12 times the amount twice, the first time for 1.5 hours, the second time for 1 hour, filter After passing through, combine the filtrates, concentrate, concentrate or use 1% HCl to adjust the pH to 4, put on the cation exchange resin, wash with water and 30% ethanol in order to remove impurities, and then elute with 75% alkaline ethanol containing 5% ammonia water , collect the eluent, concentrate under reduced pressure, and dry to obtain extract B; take the turmeric medicinal material, grind it into a coarse powder, extract 2 times with 70% of 12 times the amount, the first time for 2 hours, the second time for 1 hour, and filter , combined the filtrates, concentrated under reduced pressure, and dried to obtain extract C. The above three kinds of extracts are mixed ...
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