PROBLEM TO BE SOLVED: To provide a composition which performs masking of a substance with strong flavor, and which hardly damages a flavor unique to a food product even when it is added to the food product, and in the food product to which the composition is added, the flavor unique to the food product is hardly damaged even by mastication of the food product.SOLUTION: There is provided an egg white composition formed of a vitrification structure which includes therein, at least a part of a material to be included.SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】風味の強い物質をマスキングするとともに、食品に添加した場合であっても食品本来の風味を損いにくい組成物を提供することにある。また、喫食時の咀嚼等によっても、食品本来の風味を損いにくい組成物を提供する。【解決手段】ガラス化構造からなる卵白組成物であって、ガラス化構造内に被包接体の少なくとも一部を包接してなる卵白組成物。【選択図】なし