Method for preparing extractive of liuyueqing and its application
A water extract and preparation technology, applied in the field of preparation and application of Chinese herbal medicine, can solve problems that have not yet been discovered
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[0021] 3. The preparation method of the petroleum ether part of the lily lily is as follows: the coarse powder of lily lily is soaked in 80% ethanol with 10 times the concentration, soaked for 30 minutes, refluxed for 2 hours, and filtered. Add 8 times the amount of 80% ethanol to the dregs, extract by reflux for 1 hour, and filter. The two filtrates were combined and centrifuged (3000γ / min) for 15 min. After recovery of ethanol, the extract was collected, concentrated under reduced pressure, extracted 4 times with petroleum ether, chlorophyll was removed, and the ether phase was collected, and the ether phase was recovered to obtain the part of lilac petroleum ether.
[0022] 4. The preparation method of the 60% ethanol part of Liuyueqing is as follows: the coarse powder of Liuyueqing is added with 10 times the concentration of 80% ethanol, soaked for 30 minutes, refluxed for 2 hours, and filtered. Add 8 times the amount of 80% ethanol to the dregs, extract by reflux for 1 h...
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[0052] 1. Extraction of Liuqing water extract and preparation of its preparation:
[0053] 1.1 Preparation of Liuyueqing water extract: Take 10kg of dried lily powder, add 100L of water, boil 3 times, 2h each time, filter, collect the boiled liquid, and concentrate it into a thick paste with a specific gravity of 1.3.
[0054] 1.2 Preparation of water extract tablets: take 10kg of dry lichen powder, prepare a thick paste with the same method as item 1.1, weigh and record the weight of the thick paste, add 2 times the amount of edible starch, and add 80% alcohol to mix, pass Sieve and granulate, dry at 60°C, granulate, add 3% talcum powder, 4% sodium carboxymethyl starch, compress into tablets (0.3g / tablet for plain tablets), and coat sugar-coated tablets (or film-coated tablets) , after the visual inspection conforms to the regulations.
[0055] 1.3 Preparation of water extract capsules: take 10kg of dried lichen powder, prepare a thick paste with the same method as item 1.1,...
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