PROBLEM TO BE SOLVED: To provide a medical container for containing a protein solution preparation, which does not cause protein denaturation such as oxidation of amino acid residues in the protein contained in the protein solution preparation, and a protein in a container containing the protein solution preparation in the medical container PROBLEM TO BE SOLVED: To provide a solution preparation and a package of a protein solution preparation in a container that can more effectively prevent deterioration and inactivation of the protein solution preparation due to protein oxidation, high molecular weight, anionization and the like. SOLUTION: A medical container made of a cyclic olefin polymer for containing a protein solution preparation which has been sterilized by autoclaving and suppresses the oxidation of amino acid residues in the protein； A medical container made of a cyclic olefin polymer for containing a protein solution preparation having a radical amount measured in 2.2 × 10 15 pieces / g or less, and a container containing the protein solution preparation in the aforementioned medical container A deoxygenated package in which a protein solution preparation with a container, the above-described protein solution formulation in a container is packaged with a deoxygenating agent together with a deoxidizing agent, and the deoxygenated package in which the package is packed with a light-shielding packaging material. [Selection figure] None【課題】 タンパク質溶液製剤に含まれるタンパク質中のアミノ酸残基の酸化などのタンパク質の変性を生じない、タンパク質溶液製剤収容用の医療用容器、当該医療用容器にタンパク質溶液製剤を収容した容器入りタンパク質溶液製剤、およびタンパク質の酸化、高分子量化、アニオン化などによるタンパク質溶液製剤の品質低下や失活が一層効果的に防止される容器入りタンパク質溶液製剤の包装体の提供。【解決手段】 高圧蒸気滅菌されタンパク質中のアミノ酸残基の酸化を抑制する作用を有するタンパク質溶液製剤を収容するための環状オレフィン系重合体製の医療用容器、高圧蒸気滅菌され電子スピン共鳴装置にて測定したラジカル量が２．２×１０15個／ｇ以下以下であるタンパク質溶液製剤を収容するための環状オレフィン系重合体製の医療用容器、前記した医療用容器にタンパク質溶液製剤を収容した容器入りタンパク質溶液製剤、前記した容器入りタンパク質溶液製剤を脱酸素剤と共に酸素難透過性の包装材で包装した脱酸素式包装体、および遮光能を有する包装材で包装した当該脱酸素式包装体。【選択図】 なし
