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    • 6. 发明申请
    • METHOD OF TRANSESTERIFYING FAT OR OIL
    • 转运脂肪或油的方法
    • WO1996010643A1
    • 1996-04-11
    • PCT/JP1995001969
    • 1995-09-28
    • FUJI OIL CO., LTD.YAMAGUCHI, KoutaroHUKAZAWA, SadayukiSHIMODA, TadahisaIZUMI, Tugio
    • FUJI OIL CO., LTD.
    • C12P07/64
    • C12P7/6454C11C3/04C11C3/08
    • A method of transesterifying fat or oil for the purpose of modifying the same and efficiently preparing target triglycerides in high concentrations. The method comprises the step of transesterifying a fat or oil with a fatty acid or a lower alcohol ester thereof in the presence of an enzyme catalyst and the step of distilling off the acid or the ester from the reaction mixture, these two steps being repeated in a number of stages, which method is characterized by leaving the fat or oil and the feedstock fatty acid or ester thereof selectively in the distillation steps preceding the one in the final stage to remain unremoved in the reaction mixture. This method serves to reduce the amount of the fatty acid or the ester to be used, to inhibit the formation of by-products, and to provide the target triglycerides in high concentrations more efficiently than the conventional multistage transesterification methods.
    • 脂肪或油的酯交换的方法是为了改变相同的方式,并且高效地制备目标甘油三酯。 该方法包括在酶催化剂存在下将脂肪或油与脂肪酸或其低级醇酯进行酯交换的步骤以及从反应混合物中蒸出酸或酯的步骤,将这两个步骤重复 该方法的特征在于在最终阶段之前的蒸馏步骤中选择性地留下脂肪或油和原料脂肪酸或酯,以保持未反应在反应混合物中。 该方法用于减少脂肪酸或所用酯,抑制副产物的形成,并且以比常规的多级酯交换法更有效地提供高浓度的目标甘油三酯。