Immature bitter orange or bitter orange general flavone extract extracted in decoction way through water and application thereof
A technology of decoction and total flavonoids is applied in the directions of medical preparations, drug combinations, plant raw materials, etc. containing active ingredients, which can solve the problems that the similarities of functions are not fully exploited, the resources are not widely used, etc. The effect of power
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Embodiment 1
[0035] Preparation method: take citrus aurantium or citrus aurantium, cut into decoction pieces, add 7 times the amount of water, decoct 3 times, decoct and extract for 1 hour each time, combine the decoction liquid, filter, and the filtrate passes through the D101 macropores that have been processed Resin, eluted with water and 18% ethanol in turn to remove impurities, then eluted with 35% ethanol and 0.5% sodium hydroxide, collected 35% ethanol eluate, concentrated under reduced pressure to a flow immersion solution with a relative density of about 1.25 (55°C) The paste is dried under reduced pressure (60°C), crushed, and obtained.
Embodiment 2
[0037] Preparation method: take citrus aurantium or citrus aurantium, crush them, pass through an 8-mesh sieve, add water to decoct 3 times, add 8 times the amount to boil for 2.5 hours for the first time, add 6 and 5 times the amount to decoct for 1 hour for the second and third times respectively , filtered, combined the filtrate, the filtrate passed through the AB-8 macroporous resin column that had been treated, and eluted with water, 15% ethanol, 45% ethanol, 1% sodium hydroxide successively, collected the 45% ethanol eluate, and depressurized Concentrate to a fluid extract with a relative density of about 1.31 (65°C), dry under reduced pressure (70°C), and pulverize to obtain.
Embodiment 3
[0039] Preparation method: take citrus aurantium or citrus aurantium, cut into decoction pieces, add 8 times the amount of water, decoct 3 times, extract for 1.5 hours each time, combine the decoction liquid, filter, and the filtrate passes through the D101 macropore that has been processed Resin, eluted with water and 16% ethanol to remove impurities in turn, then eluted with 40% ethanol and 0.6% sodium hydroxide, collected the 40% ethanol eluate, concentrated under reduced pressure to a flow immersion solution with a relative density of about 1.20 (50°C) The paste was dried under reduced pressure (65°C), crushed, and obtained.
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