| 摘要 |
PURPOSE:To prevent deterioration of SAKE (rice wine) caused by occurrence of sweet dregs in brewage during preservation bringing glucoamylase in brewage into contact with a glucoamylase inhibitor to remove glucoamylase. CONSTITUTION:Refine a SAKE of brewage, for example, is passed through a column packed with an immobilized glucoamylase inhibitor to adsorb and remove glucoamylase in refine a SAKE. The glucoamylase inhibitor is an oligosaccharide shown by the formula containing alpha-1,4-imino bond in a molecule of acarbose produced by culture of actinomycetes and a relative substance thereof. A highly concentrated oligosaccharide of filtrate of a liquefied solution of polished rice (starch) is passed through a column packed with the above- mentioned inhibitor so that glucoamylase can be eluted from the inhibitor and recovered. On the other hand, refined SAKE of brewage from which glucoamylase is removed will not cause reduction in qualities even by preservation at room temperature. |
