MODIFIED ATMOSPHERE PACKAGING (MAP)
Packaging
Modified Atmosphere Packaging (MAP)
PrerequisiteAlso: MAP · gas flush · CO2 flush · nitrogen flush
Replacing internal package air with a controlled gas mixture (typically reduced O2 + elevated CO2 / N2) to extend shelf life of fresh meat, salads, baked goods.
Typical Hazards
- BBiologicalC. botulinum risk in low-O2, refrigerated, water-activity-permissive products
- CChemicalGas-supply purity issues
- PPhysicalSeal failure
Typical Controls
- Headspace gas analysis on representative units
- Refrigerated distribution temperature limit
- Aw / pH controls to suppress C. botulinum
- Time-temperature indicator or labelled shelf life
Regulatory Citations
2 cross-references across 1 documents