The names of modified atmosphere packaging include map (modified atmosphere packaging) and cap (controlled atmosphere packaging) Active packaging, etc. In order to unify the understanding of modified atmosphere packaging technology, the international food packaging industry defines modified atmosphere packaging as "packaging that prolongs the storage period by changing the atmosphere in the packaging to make the food in an atmosphere environment different from the air components (78.8% N2, 20.96% O2, 0.03% CO2)". All packaging technologies that meet this definition are called map or cap Modified atmosphere packaging for food preservation is not a new concept, but further developed and applied on the basis of the original concept of oxygen reducing packaging.
Modified atmosphere packaging is a food preservation packaging technology more complex than vacuum packaging. The atmosphere in the packaging is more conducive to the preservation of all kinds of food, especially fr…