Purification of Raspberry Flavonoids Using Macro-porous Resin
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Abstract:
Raspberry flavonoids were isolated and purified by macro-porous resin in this article. The results showed that AB-8 resin can rapidly adsorbe lavonoids with higher adsorption and desorption rates than other macro-porous resin. Therefore, AB-8 resin was chosen as the best resion to isolate and purify raspberry flavonoids. Dynamic adsorption and desorption experiments showed that, when the sample flow rate, sample concentration, pH, desorption regent, desoption regent concentration and elution rate were 0.2 mL/min, 1.2 mg/mL, 4.5, ethanol, 70% and 2.0 mL/min, respectively, the raspberry flavonoids purity can reach 40.32%.
