Traditional Chinese medicine composition as well as preparation method and application thereof
A composition and technology of traditional Chinese medicine, applied in the field of traditional Chinese medicine composition and its preparation, can solve problems such as unseen treatment of vascular dementia
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Embodiment 1
[0186] 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 the turmeric medicinal material, grind it into a 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 pha...
Embodiment 2
[0188]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 conventio...
Embodiment 3
[0190] 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. Mix the above three kinds of extracts accor...
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