2009•Journal of Food Science and BiotechnologyRequires access

Research on the Performance of Adsorption and Desorption for Chlorogenic Acid with NKA-9 Resins

Hui Si

Abstract

The adsorption and desorption performance of macroporous resin NKA-9 to the chlorogenic acid was studied.The static adsorption and desorption index of NKA-9 was 72.30% and 79.74%,respectively.The adsorption quantity reached at the maximum value when the adsorption time was 6 hours,and the desorption quantity achieved the maximum value eluted about 2 hours.The optimum conditions for adsorption and desorption was 0.26 mg/L(pH2.5) sample concentration and 30% ethanol concentration,respectively.By the optimum conditions,the product purity was achieved at 26.62%.

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Key concepts: Desorption, Adsorption, Chemistry, Chlorogenic acid, Ethanol, Chromatography, Elution, Organic chemistry