Bergenia crassifolia extract and extracting method and medical application in oral diseases
A technology of cabbage and an extraction method, which are applied in the directions of medical preparations containing active ingredients, oral care, medical science, etc., can solve problems such as unreported cabbage
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Embodiment 1
[0022] Aqueous extract of rock cabbage and preparation of the extract
[0023] The water extract of rock cabbage and the preparation of the extract are to take dried rock cabbage and crush it, add 500g of rock cabbage powder to 5000mL of pure water according to the ratio of 1g of rock cabbage powder to 10ml of water, soak 2 hours, reflux extraction at 100°C for 2 hours, filter and centrifuge, collect the filtrate, repeat the above operation twice for the residue, combine the filtrate three times, concentrate under reduced pressure at 40°C to obtain the extract, add an equal volume of petroleum ether, chloroform, and ethyl acetate in sequence Ester and n-butanol were systematically extracted to obtain petroleum ether extract, chloroform extract, ethyl acetate extract and n-butanol extract respectively. The remaining stock solution after extraction is the water extract. Evaporate to dryness in a constant temperature water bath at 50°C to obtain the water extract and its extract...
Embodiment 2
[0025] 70% ethanol extract of rock cabbage and its preparation
[0026] The preparation of the 70% ethanol extract of rock cabbage is to take the dried rock cabbage and grind it, add 5000mL 70% ethanol to 500g rock cabbage powder according to the ratio of 1g rock cabbage powder plus 10ml 70% ethanol , soak for 2 hours, reflux extraction at 100°C for 2 hours, filter and centrifuge, collect the filtrate, repeat the above operation twice for the residue, combine the filtrate three times, concentrate under reduced pressure at 40°C to obtain the extract, and add an equal volume of petroleum ether, chloroform, Ethyl acetate and n-butanol were systematically extracted to obtain petroleum ether extract, chloroform extract, ethyl acetate extract and n-butanol extract respectively. The remaining stock solution after extraction is to obtain a 70% ethanol extract. Evaporate in a constant temperature water bath at 50°C to obtain 70% ethanol extract and extract. Dissolve the obtained extr...
Embodiment 3
[0028] 95% ethanol extract of rock cabbage and preparation of the extract
[0029]The preparation of the 95% ethanol extract of rock cabbage is to take the dried rock cabbage and grind it, add 5000mL 95% ethanol to 500g rock cabbage powder according to the ratio of 1g rock cabbage powder plus 10ml 95% ethanol , soak for 2 hours, reflux extraction at 100°C for 2 hours, filter and centrifuge, collect the filtrate, repeat the above operation twice for the residue, combine the filtrate three times, concentrate under reduced pressure at 40°C to obtain the extract, and add an equal volume of petroleum ether, chloroform, Ethyl acetate and n-butanol were systematically extracted to obtain petroleum ether extract, chloroform extract, ethyl acetate extract and n-butanol extract respectively. The remaining stock solution after extraction is 95% ethanol extract. Evaporate in a constant temperature water bath at 50°C to obtain 95% ethanol extract and its extract. Each of the obtained ext...
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