Abstract
In this paper, we report on the continuous conversion of maltose into glucose by use of the new carrier resin (FE-4611) on which glucoamylase was immobilized . FE-4611 is a strongly hydrophilic carrier resin of macroreticular type. The properties of the immobilized enzyme were examined and compared with those of native enzyme . The optimum pH for the immobilized enzyme shifted slightly to the acidic side compared with that of the native enzyme and the optimum temperature did not differ much from that of the native enzyme . Km value of immobilized glucoamylase was 86.2 mM and that of native enzyme was 5.1 mM. The continuous conversion of maltose by the immobilized glucoamylase was stable and its half life was 68 days. The immobilized enzyme which had lost its activity was rejuvenated for its reuse.
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