PROBLEM TO BE SOLVED: To provide a method for producing fat and oil that allows substances hardly soluble in fat and oil and having various antioxidant effects and organic acids and their salts exhibiting antioxidant effect and coloring inhibition effect to be contained efficiently in fat and oil, for solving problems such as improvement of the stability of fat and oil or suppression of thermal oxidation due to heating of fat and oil and improvement of cooked odor.SOLUTION: An organic acid and/or a salt thereof in a powder state is added into fat and oil and agitated under conditions of 100-190°C and 0.5-100 Torr, and then filtered to obtain fat and oil containing the organic acid and/or the salt thereof.COPYRIGHT: (C)2013,JPO&INPIT【課題】油脂の安定性の向上、あるいは油脂の加熱による熱酸化の抑制、加熱臭の改善といった課題を解決するために、油脂難溶性の、さまざまな酸化防止効果のある物質や、抗酸化効果、着色抑制効果を発揮する有機酸やその塩類を、効率よく油脂中に含有させることができる油脂の製造方法を提供する。【解決手段】有機酸及び/又はその塩類を粉末の状態で油脂中に添加し、100~190℃、0.5~100Torrの条件下で攪拌後、ろ過して有機酸及び/又はその塩類を含有する油脂を得る。【選択図】なし