PROBLEM TO BE SOLVED: To provide a food-and-drink composition improved in hygroscopicity of hygroscopic powdery raw material, and containing the hygroscopic powdery raw material: and to provide food and drink containing the composition.SOLUTION: The food and drink composition contains the hygroscopic powdery raw material and sesamin, specifically comprises food-and-drink powdery composition mixedly containing the hygroscopic powdery raw material and the sesamin, and is improved in the hygroscopicity of the hygroscopic powdery raw material. The food and drink contain the composition described above.COPYRIGHT: (C)2007,JPO&INPIT【課題】吸湿性粉末原料の吸湿性が改善された、該吸湿性粉末原料を含む飲食品用組成物及び該組成物を含有する飲食品の提供を目的とする。【解決手段】吸湿性粉末原料及びセサミン類を含む飲食品用組成物、より特定すれば、吸湿性粉末原料及びセサミン類を混合して含む飲食品用粉末組成物であって、前記の吸湿性粉末原料の吸湿性が改善された、前記の組成物、並びに上記の組成物を含有する飲食品を提供する。