Problem to be solved: to provide a packaging body which is excellent in the ability to preserve the green color of the fruits and vegetables such as edible mushrooms containing vegetables and mushrooms in the packaging container, and to suppress the hue change of the edible mushroom, the drought, drip, and the occurrence of mold.In the packaging container containing the polymer film contained in the packaging container containing green mushrooms, and stored in the storage container at 5 degrees Celsius, the internal carbon dioxide concentration was at least 10% or more during the period from 11 days after the packaging of the package to the encapsulated package The package is 25% or less, and the internal carbon dioxide concentration is decreased from the 11th day after packaging of the packaging body to 32 days after packaging, and the absolute value of the rate of change is 15% or more.No selection【課題】包装容器内に食用キノコを含む青果物を収納してなる包装体であって、当該包装体内の食用キノコの色相変化、萎え、ドリップ、及びカビの発生を抑制できるなど、該青果物の鮮度保持機能に優れた包装体を提供する。【解決手段】高分子フィルムを含んでなる包装容器内に食用キノコを含む青果物を収納してなる包装体であって、5℃で冷蔵保管した場合に、包装体の封止後11日から包装体の封止後32日までの少なくとも一部の期間で、内部二酸化炭素濃度が10%以上25%以下であり、包装体の封止後11日から包装体の封止後32日にかけて内部二酸化炭素濃度が減少するとともに、その変化率の絶対値が15%以上である、包装体。【選択図】 なし
