Extract composite preparation for treating oral ulcer and preparation method thereof
A technology of oral ulcers and extracts, applied in the field of extract combination preparations for the treatment of oral ulcers and its preparation
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Embodiment 1
[0098] Embodiment 1 of the present invention: 50 parts of sheep ear chrysanthemum, 10 parts of licorice, 1 part of pearl, 0.5 part of borneol, prepared according to the following steps:
[0099] Step 1) Extract 6 times the amount of 40% ethanol with 6 times the amount of 40% ethanol for reflux extraction twice, each time for 0.5 hours, combine the extracts, filter, recover the ethanol from the filtrate to obtain an alcohol extract for later use; add 8 times the amount of water to decoct the dregs, filter After filtering, concentrate the filtrate, add 60% ethanol and let it stand overnight, filter, recover ethanol, combine the filtrate and the alcohol extract, put it on the purification resin column, discard the penetrating liquid, wash with a small amount of water, and then use 3 times the column volume of 60% ethanol For elution, pass through the column at 0.5ml per second, collect the eluent, recover ethanol, concentrate, vacuum dry, and pulverize to obtain the total flavonoi...
Embodiment 2
[0102] Embodiment 2 of the present invention: 100 parts of sheep ear chrysanthemum, 20 parts of licorice, 2 parts of pearls, 1 part of borneol, prepared according to the following steps:
[0103] Step 1) Extract 8 times the amount of 60% ethanol with reflux for 3 times, each time for 1 hour, combine the extracts, filter, recover the ethanol from the filtrate to obtain the alcohol extract for later use; add 10 times the amount of water to decoct the dregs of the herb , combined the decoction, filtered, concentrated the filtrate, added 70% ethanol to stand overnight, filtered, recovered the ethanol, combined the filtrate and the alcohol extract, put it on a polyamide column, discarded the penetrating liquid, washed with a small amount of water, and continued to use 4 times the column volume was eluted with 70% ethanol, 1ml per second was passed through the column, the eluate was collected, the ethanol was recovered, concentrated, dried in vacuum, crushed, and the total flavonoids...
Embodiment 3
[0106] Embodiment 3 of the present invention: 200 parts of sheep ear chrysanthemum, 40 parts of licorice, 4 parts of pearls, 2 parts of borneol, prepared according to the following steps:
[0107] Step 1) Extract chrysanthemum with 10 times the amount of 80% ethanol under reflux for 4 times, each time for 2 hours, combine the extracts, filter, recover the ethanol from the filtrate to obtain an alcohol extract for later use; add 12 times the amount of water to decoct the dregs for 3 times , combined the decoction, filtered, concentrated the filtrate, added 80% ethanol to stand overnight, filtered, recovered the ethanol, combined the filtrate and the alcohol extract, put it on the purification resin column, discarded the penetrating liquid, washed with a small amount of water, and continued to use Elute with 90% ethanol for 6 times the column volume, pass through the column at 2ml per second, collect the eluate, recover the ethanol, concentrate, vacuum dry, and pulverize to obtai...
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