The oil and fat constituent which contains oil and fat as the below-mentioned oil and fat A, oil and fat B, oil and fat D and an optional component E, description below (a) - (c) satisfies condition: Oil and fat A Oil and fat and oil and fat B such as lauric oil and fat The ester exchange oil of the oil and fat C where content of the saturated fatty acid carbon count 16 and above and content of the unsaturated fatty acid carbon count 16 and above is a specific range Oil and fat D: The XOX die thoria sill glycerine 30 mass % above the oil and fat and the oil and fat E which are contained: The oil and fat component of the vegetable fat and oil origin which does not belong in either oil and fat A, oil and fat B or oil and fat D, in each case in all the oil and fat components of vegetable fat and oil origin, (a) content of oil and fat A 1 - 4 mass %, (b) content of oil and fat B 10 - 20 mass %, and (content of c) XOX die thoria sill glycerine 40 mass % or more 60 mass % under, and oil-in-water emulsification ones which contain that.下記油脂A、油脂B、油脂D及び任意成分としての油脂Eを含有し、下記(a)~(c)の条件を満たす油脂組成物:油脂A;ラウリン系油脂等の油脂、油脂B;炭素数16以上の飽和脂肪酸の含量や炭素数16以上の不飽和脂肪酸の含量が特定範囲にある油脂Cのエステル交換油;油脂D:XOX型トリアシルグリセロールを30質量%以上含有する油脂、油脂E:油脂A、油脂B及び油脂Dのいずれにも属さない植物油脂由来の油脂成分、いずれも植物油脂由来の全油脂成分中において、(a)油脂Aの含量が1~4質量%、(b)油脂Bの含量が10~20質量%、及び(c)XOX型トリアシルグリセロールの含量が40質量%以上60質量%未満、並びにそれを含有する水中油型乳化物。
