Immature bitter orange or bitter orange general flavone extract extracted in decoction way through water and application thereof
A technology of water decoction and total flavonoids, which is applied in the direction of medical preparations containing active ingredients, drug combinations, plant raw materials, etc., can solve the problems that the similarity of action has not been fully tapped, and resources have not been widely used, so as to promote gastric dynamic effect
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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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