Macroporous Resin for Decolorization of Korla Pear Juice
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Abstract:
Seven kinds of macroporous resin were selected by studying the soluble solids and the decolorization rate. Through the static and dynamic separateness factor experiments，the optimum conditions of decoloration of stevioside and resin regeneration were obtained. The results showed that LSA-900C macroporous resin was the best resin with decolorization rate being of 80.37% and transmission rate being of 95.3%. The best decoloration technology conditions were: the flow rate 3.8 mL/min, the temperature 40 ℃, and soluble solids 12.5 Brix. The best regeneration technology conditions were: 4.0% NaOH eluent as the regenerates and flow rate of 3.3 mL/min.
