Characterization of a recombinant sucrose isomerase and its application to enzymatic production of isomaltulose.

Objective: To characterize a recombinant isomerase that can catalyze the isomerization of sucrose into isomaltulose and investigate its application for the enzymatic production of isomaltulose.

Results: A sucrose isomerase gene from Erwinia sp. Ejp617 was synthesized and expressed in Escherichia coli BL21(DE3).