PROBLEM TO BE SOLVED: To prevent the occurrence of a fishy odor of a long-chain polyunsaturated fatty acid-containing food.SOLUTION: The present invention provides a long-chain polyunsaturated fatty acid-containing oil and fat containing a specific amount of a malonylisoflavone glycoside poorly soluble in oil and fat.SELECTED DRAWING: NoneCOPYRIGHT: (C)2020,JPO&INPIT【課題】長鎖多価不飽和脂肪酸を含有する食品の魚臭の発生を抑制すること。【解決手段】油脂難溶性のマロニルイソフラボン配糖体を特定量含有する、長鎖多価不飽和脂肪酸含有油脂。【選択図】なし