Application of kudzuvine root flavone in preparing medicine for treating chronic insufficiency of blood supply for brain
A technology of insufficient cerebral blood supply and pueraria flavonoids, applied in the field of medicine, can solve the problems of long-term curative effect that needs further research, no focal neurological signs in the brain, etc.
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[0087] Take 2kg of kudzu powder, add 20L of 60% ethanol to infiltrate, then heat reflux extraction for 3 times, each time for 2 hours, filter, combine the filtrate, concentrate under reduced pressure until there is no alcohol smell, add water to dilute to 10L, and stir at 6.0°C Add 300mL of 1% clarifying agent B solution, stir once every 30 minutes, after 2 hours, add 300mL of 0.5% clarifying agent A solution in the same way, stir again 60 minutes after adding, coarsely filter after 2 hours, and then centrifuge at high speed machine for liquid-solid separation, and take the clarified liquid for later use. Pass above-mentioned clarified solution in the macroporous resin column (4L resin is housed), the total flavonoids of Pueraria radiata will be adsorbed in the resin effectively, wash with 5 10L water until the effluent has no color, then desorb with 15L 50% ethanol, The flow rate of adsorption, washing and desorption is 0.5 times the bed volume per hour. The desorbed solutio...
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