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MAP Trays packaging of 50%O2+20%CO2+30%N2 can keep beef with good sensory quality within 15 days, and the Fresh Meat MAP Trays packaging of 65%O2+20%CO2+15%N2 is conducive to maintaining the good color of goat meat and pH value, inhibited the growth of the total number of colonies to a certain extent. High-oxygen modified atmosphere packaging is beneficial to the preservation of meat color. On this basis, higher content of CO2 can prevent the metabolism of microorganisms, more effectively inhibit the proliferation of microorganisms, and help prolong the shelf life of fresh meat. Some studies have found that when the gas ratio is CO2 75% + 10% O2 + 15% N2 packaging, it is necessary to cooperate with the use of ethanol and ultraviolet sterilization and fresh-keeping liquid, so that the cold fresh pork can maintain the second-level freshness within 18 days, but the use of vacuum packaging is used.
In the case of meat, the shelf life is shorter than that of modified oxygen-containing packaging. Since anaerobic bacteria or facultative anaerobic bacteria are more suitable to proliferate in low oxygen or anaerobic conditions, the appropriate ratio of O2 and CO2 in modified atmosphere packaging plays an important role in maintaining meat color, pH value and inhibiting microbial growth effect. In addition, the hygienic state of the meat before packaging is crucial.
When using Fresh Meat MAP Tray packaged meat in the market, healthy slaughtered animal meat should be placed at 0 to 4 °C for 12 to 24 hours in the acid discharge workshop, so that the temperature of the deep tissue of the meat is reduced to 0 to 4 °C, and the acid is fully discharged. , and the dry sealing film on the surface of the meat is initially formed, and then it is divided and packaged, and the volume of the divided meat should not be too small. If the surface of the meat is sterilized before packaging, it will help reduce the contamination of exogenous microorganisms, improve the quality of the meat, and make the shelf life more than 10 days.
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Main Product:
PVDC Shrink Bag,
PVDC Shrink Film,
Plastic Tray,
Heat Shrink Bag ,
MAP Tray,
Meat Tray
