PROBLEM TO BE SOLVED: To provide oil and fat having a milk fat-like flavor, capable of imparting an excellent milk taste to milk food products with a low milk fat content, in particular, without affecting the physical properties or usability and milk food products containing the same.SOLUTION: In order to obtain the oil and fat having a milk fat-like flavor, specific amounts of malonylisoflavone glycoside having a low solubility in oil and fat, and δ-lactone are contained in raw material oil and fat.COPYRIGHT: (C)2016,JPO&INPIT【課題】乳脂様風味油脂、特に乳脂含量の少ない乳系食品においても、物性や作業性に影響を与えずに、乳味の優れた食品を提供することができる乳脂様風味油脂及びそれを含有する乳系食品を提供することである。【解決のための手段】油脂難溶性のマロニルイソフラボン配糖体、およびδ-ラクトン類を原料油脂に特定量含有させて、乳脂様風味油脂を得る。【選択図】なし