PROBLEM TO BE SOLVED: To provide a new fat substitute composition and a food product comprising the fat substitute composition.SOLUTION: A fat substitute composition comprises indigestible glucan comprising a sugar condensate obtained by thermally condensing a starch decomposition product of DE 70-100 or a reduction treatment product thereof.COPYRIGHT: (C)2016,JPO&INPIT【課題】新たな脂肪代替用組成物および当該脂肪代替用組成物を含有する食品の提供。【解決手段】DE70~100の澱粉分解物を加熱縮合させて得られた糖縮合物からなる難消化性グルカンまたはその還元処理物を含んでなる、脂肪代替用組成物。【選択図】なし