abstract |
(57) [Summary] [Objective] CGTase is used to produce a glucan having one cyclic structure having at least 16 α-1,4-glucoside bonds in the molecule. [Structure] A saccharide having an α-1,4-glucoside bond, Alternatively, a saccharide composed of an α-1,4-glucoside bond and at least one α-1,6-glucoside bond is reacted with CTGase. |