Production of high fructo-oligosaccharide syrup with two enzyme system of fructosyltransferse and glucose oxidase
1993
Jung, K.H. | Kim, J.H. | Jeon, Y.J. | Lee, J.H.
A novel two enzyme system of fructosyltransferase and glucose oxidase to enhance the content of the net fructo-oligosaccharide (FOS) fractions in the industrial production of FOS syrup from sucrose was devised. The net FOS content in the commercial FOS syrup has been limited only to 55-60% due to the accumulation of glucose which acts as a feedback inhibitor of the fructosyltransferase. By supplementing glucose oxidase to the conventional FOS reaction system, we could convert the glucose to gluconic acid readily separable from neutral sugars by simple ion exchange operation in the next step. The simultaneous removal of glucose was proved effective in proceeding the reaction by fructosyltransferase further by relieving the product inhibition caused by glucose. By this way, we could raise the net FOS content as high as 90%.
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