The enzymatic reaction for the production of panose and isomaltose by glucosyltransferase from Aureobasidium

Abstract

Glucosyltransferase from Aureobasidium produced 212 mg ml‐1 of glucosyl‐oligosaccharides (panose: Glcα1→6Glcα1→4Glc 189 mg ml‐1 and isomaltose: Glcα1→6Glc 23 mg ml‐1) from maltose: Glcα1→4Glc at a high concentration (500 mg ml‐1) and the efficiency of production was 42‐4%. The enzymatic reaction from maltose to panose is reversible but that from panose to isomaltose is not.