Nakedflower beautyberry extract as well as preparation method, preparation and application thereof
A technology of violacea nudiflora and extracts, applied in the directions of anti-inflammatory agents, drug combinations, pharmaceutical formulations, etc., can solve the problems of single, simple and rough process, unresearched rationality, etc., and achieves high yield and simple preparation process. Effect
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Embodiment 1
[0016] Take 100kg of naked flower purple pearl herbs, add 1500kg of water, soak for 30 minutes, heat and boil for 120 minutes, pour out the decoction, and decoct the medicinal residue twice, add 1500kg of water each time, boil for 60 minutes, combine the decoction for three times, filter, and pass the filtrate The specific surface area is 350~450m 2 JD-1 (WLD) type polystyrene macroporous adsorption resin column with a skeletal density of 1-1.2g / ml, an average pore diameter of 35-65nm, and a porosity of 60-68%. The diameter of the resin column is The ratio was 1:5, the effluent was discarded, the column was washed with 5 times the column volume of water, the washing liquid was discarded, and eluted with 10% ethanol until no flavonoids were detected in the eluent. Collect the eluent, recover the ethanol, concentrate under reduced pressure to a relative density of 1.2, freeze-dry, test and subpackage to obtain the extract of Aurora nudiflora. The polystyrene macroporous adsorpt...
Embodiment 2
[0019] Take 100kg of naked flower purple pearl herbs, add dilute alcohol 1000kg, soak for 50 minutes, heat and boil for 90 minutes, pour out the decoction, and decoct the medicinal residue twice, add 1500kg of water each time, boil for 90 minutes, combine the decoction three times, filter, The specific surface area of filtrate is 350~450m 2 / g, skeleton density of 1-1.2g / ml, average pore diameter of 35-65nm, porosity of 60-68% D101 polystyrene macroporous adsorption resin column, diameter-to-height ratio of the resin column is 1:7 , discard the effluent, wash the column body with 4 times the column volume of water, discard the washing solution, and elute with 50% ethanol until no flavonoids are detected in the eluent. Collect the eluate, recover the ethanol, concentrate under reduced pressure to a relative density of 1.1, freeze-dry, test and subpackage to obtain the extract of Aurora nudiflora. The polystyrene macroporous adsorption resin column is washed with 10% sodium h...
Embodiment 3
[0022] Take 100kg of naked flower purple pearl herbs, add 2000kg of ketone, soak for 40 minutes, heat and boil for 60 minutes, take out the decoction, and decoct the medicinal residue for 2 times, add 1000kg of water each time, boil for 60 minutes, combine the decoction three times, filter, and filtrate Through the specific surface area of 350 ~ 450m 2 AB-8 type polystyrene macroporous adsorption resin column with skeletal density of 1-1.2g / ml, average pore diameter of 35-65nm, and porosity of 60-68%. The diameter-to-height ratio of the resin column is 1 : 10, discard the effluent, wash the column body with water of 6 times the column volume, discard the washing liquid, and elute with 90% ethanol until no flavonoids are detected in the eluent. Collect the eluate, recover ethanol, concentrate under reduced pressure to a relative density of 1.08, freeze-dry, test and subpackage to obtain the extract of Aurora nudiflora. The polystyrene macroporous adsorption resin column is w...
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