| 摘要 |
PURPOSE:To obtain a sweetener having low content of galactose, excellent degree of sweetness and quality of sweetness by treating lactose with beta- galactosidase having galactosyl transition activity and simultaneously or successively treating the lactose with glucose isomerase. CONSTITUTION:Lactose is preferably simultaneously treated with beta-galactosidase having galactosyl transition activity and glucose isomerase, glucose, galactose and galactooligosaccharide shown by the formula (Gal is galactose residue; Glc is glucose residue; n is 1-4) are formed by beta-galactosidase, glucose formed by glucose isomerase is partially converted into fructose and a prepared monosaccharide is collected to give a sweetener. |
