A composition comprising medium chain triglycerides (MCT), (i) having 3 fatty acid moieties each having 8 carbon atoms (MCT-C8) and (ii) having 10 carbon atoms each MCT containing three fatty acid moieties (MCT-C10), the ratio of MCT-C8 to MCT-C10 is 10:90 to 90:10 (mol / mol), and MCT-C8 and MCT-C10 A composition, wherein the total amount comprises at least 50 mol% of MCT in the composition. [Selection figure] None中鎖トリグリセリド（ＭＣＴ）を含む組成物であって、（ｉ）８個の炭素原子をそれぞれ有する３つの脂肪酸部分を含むＭＣＴ（ＭＣＴ－Ｃ８）と、（ｉｉ）１０個の炭素原子をそれぞれ有する３つの脂肪酸部分を含むＭＣＴ（ＭＣＴ－Ｃ１０）とを含み、ＭＣＴ－Ｃ８とＭＣＴ－Ｃ１０の比は、１０：９０～９０：１０（ｍｏｌ／ｍｏｌ）であり、ＭＣＴ－Ｃ８とＭＣＴ－Ｃ１０の合計量は、組成物中のＭＣＴの少なくとも５０モル％を占める、組成物。【選択図】なし
