Table 1. Gas composition in the packaging for modified atmosphere packaging
| Gas types | Treatment |
| C1) | N | Ar |
| N2(%) | 78.1 | 80 | 0 |
| Ar (%) | 0.9 | 0 | 80 |
| O2(%) | 20.9 | 2.6 | 2.6 |
| CO2(%) | 0.03 | 17.3 | 17.3 |
1)C (N2: 78.1%, Ar: 0.9%, O2: 20.9%, CO2: 0.03%), N (N2: 80%, O2: 2.6%, CO2: 17.3%), Ar (Ar: 80%, O2: 2.6%, CO2: 17.3%).