PROBLEM TO BE SOLVED: To provide a cooked food product inclusion body preservable in a chilled state for a long term while retaining the original taste, flavor and appearance of a food product, and a preservation method of a cooked food product.SOLUTION: The cooked food product inclusion body includes a sealed packaging container, and a cooked food product included in a housing space of the packaging container. Oxygen, carbon dioxide and nitrogen are included in the housing space, and an oxygen concentration in the housing space is 1 vol.%-10 vol.%. Alternatively, oxygen, carbon dioxide and nitrogen are included in the housing space, an oxygen concentration in the housing space is 1 vol.%-10 vol.%, and a carbon dioxide concentration is 20 vol.%-50 vol.%. The cooked food product contains a bacteriostatic agent, and a ratio of the volume of the cooked food product, occupying the volume of the housing space is 20-80%.【課題】食品本来の食味、風味、外観を維持しながら、チルド状態で長期保存可能な調理済食品封入体、及び調理済食品の保存方法を提供すること。【解決手段】本発明の調理済食品封入体は、密封された包装容器と該包装容器内の収容空間に封入されている加熱調理済食品とを含んで構成される。前記収容空間に酸素、二酸化炭素及び窒素が含まれ、且つ該収容空間の酸素濃度が１容量％以上１０容量％以下である。あるいは、前記収容空間に酸素、二酸化炭素及び窒素が含まれ、且つ該収容空間の酸素濃度が１容量％以上１０容量％以下、二酸化炭素濃度が２０容量％以上５０容量％以下であり、前記加熱調理済食品は静菌剤を含み、前記収容空間の容積に占める前記加熱調理済食品の体積の割合が２０～８０％である。【選択図】なし
