PROBLEM TO BE SOLVED: To provide an oil and fat composition for cooking capable of suppressing or reducing acid value increase due to heating, coloration and polymer generation in good balance and a manufacturing method therefor, and a method for suppressing deterioration by heating oil and fat for cooking.SOLUTION: There are provided an oil and fat composition for cooking containing oil and fat, organic acid monoglyceride and alkali metal with content of the organic acid monoglyceride of 0.01 to 1.0 mass% and content of the alkali metal of 0.1 to 5.0 mass.ppm in the composition, a manufacturing method of the oil and fat composition for cooking including adding a component containing the organic acid monoglyceride and the alkali metal to oil and fat so that content of the organic acid monoglyceride becomes 0.01 to 1.0 mass% and content of the alkali metal becomes 0.1 to 5.0 mass.ppm in the composition and a method for suppressing deterioration by heating oil and fat for cooking.SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】加熱による酸価上昇、着色および重合物生成をバランスよく抑制あるいは低減することができる、加熱調理用油脂組成物およびその製造方法ならびに加熱調理用油脂の加熱による劣化を抑制する方法の提供。【解決手段】油脂と、有機酸モノグリセリドと、アルカリ金属とを含有する、加熱調理用油脂組成物であって、該組成物中の、該有機酸モノグリセリドの含有量が0.01~1.0質量%であり、該アルカリ金属の含有量が0.1~5.0質量ppmである、加熱調理用油脂組成物、ならびに油脂に、有機酸モノグリセリドと、アルカリ金属を含有する成分とを、該組成物中の、該有機酸モノグリセリドの含有量が0.01~1.0質量%、該アルカリ金属の含有量が0.1~5.0質量ppmとなるように添加することを含む加熱調理用油脂組成物の製造方法及び加熱調理用油脂の加熱による劣化を抑制する方法。【選択図】なし