PROBLEM TO BE SOLVED: To provide a method for easily manufacturing a fatty acid composition, whose saturation fatty acid content is low, from a split fat acid composition including monoacylglycerol at a high yield.SOLUTION: A method for manufacturing a fatty acid composition in which the content of saturated fatty acids is ≤8 mass% includes: (1) a process to gain a fatty acid mixture by adjusting a decomposed fatty acid composition gained by hydrolyzing fat to a content of 80-96 mass% of fatty acid, a content of 0.3-8 mass% of monoacylglycerol, a content of 1-12 mass% of diacylglycerol, and a mass ratio [(DAG)/(MAG)] of diacylglycerol to monoacylglycerol of 0.5-40 (2) a process to cool the fatty acid mixture gained in process (1) into the area from the temperature lower by 2°C than the cloud point of the fatty acid mixture to the temperature lower by 13°C than the cloud point and then mix the fatty acid mixture with a moisturizer water solution to maintain the temperature area and (3) a process to separate the solid phase and water phase segregated in process (2) from the liquid oil phase to gain a fatty acid composition as a liquid oil phase.COPYRIGHT: (C)2013,JPO&INPIT【課題】モノアシルグリセロールを含む分解脂肪酸組成物から、飽和脂肪酸含量が低い脂肪酸組成物を容易に且つ高い収率で製造する方法の提供。【解決手段】次の工程(1)~(3):(1)油脂を加水分解して得られる分解脂肪酸組成物を、脂肪酸の含有量を80~96質量%、モノアシルグリセロールの含有量を0.3~8質量%、ジアシルグリセロールの含有量を1~12質量%、且つジアシルグリセロールのモノアシルグリセロールに対する質量比[(DAG)/(MAG)]を0.5~40に調整して脂肪酸混合物を得る工程、(2)工程(1)で得られた脂肪酸混合物を、当該脂肪酸混合物の曇点よりも2℃低い温度から曇点よりも13℃低い温度までの範囲内に冷却し、次いで湿潤剤水溶液と混合し、前記温度範囲に維持する工程、及び(3)工程(2)において析出した固相及び水相を液体の油相から分離して、液体の油相として脂肪酸組成物を得る工程、を含む、飽和脂肪酸の含有量が8質量%以下である脂肪酸組成物の製造方法。【選択図】なし
