To provide a method capable of more readily keeping freshness and a good outer appearance of meat with lower cost.SOLUTION: A gas-substitution packaging method of meat uses mixed gas containing oxygen, carbon dioxide, and nitrogen in gas-substitution packaging of meat, in which the volume of the oxygen is 30-75 and the volume of the carbon oxide is 10-20 relative to the total volume of the oxygen, carbon dioxide, and nitrogen contained in the mixed gas being 100.SELECTED DRAWING: None【課題】より簡便安価に、食肉の良好な鮮度や見た目の良さを保つことができる方法を提供すること。【解決手段】食肉のガス置換包装において、酸素、二酸化炭素、及び窒素を含む混合ガスを用いることを特徴とし、前記混合ガスに含まれる酸素、二酸化炭素、及び窒素の合計体積を１００としたとき、酸素の体積が３０～７５、二酸化炭素の体積が１０～２０である、食肉ガス置換包装方法。【選択図】なし
