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What is food compound modified atmosphere fresh-keeping packaging?
Compound modified atmosphere fresh-keeping packaging, also known as gas replacement packaging, is known as MAP packaging (ie Modified Atmosphere Packing) internationally. The composite modified atmosphere packaging machine uses composite fresh-keeping gas (2-3 kinds of gases are mixed according to the food characteristics) to replace the air in the packaging box/bag, change the storage environment of the food in the box/bag, inhibit the growth and reproduction of bacteria, slow down the The metabolic rate of fresh fruits and vegetables will ultimately achieve the purpose of prolonging the preservation period of food.
Modified atmosphere preservation gas is generally composed of carbon dioxide (CO2), nitrogen (N2), oxygen (O2) and a small amount of special gases. CO2 has the function of inhibiting the growth and reproduction of most spoilage bacteria and molds, and is the main antibacterial component in the modified atmosphere preservation gas. O2 has the function of inhibiting the growth and reproduction of most anaerobic spoilage bacteria, and can maintain the color of fresh meat and maintain aerobic respiration of fresh fruits and vegetables to maintain freshness. N2 is an inert gas that does not chemically interact with food and naturally does not leave chemical residues. It forms a composite fresh-keeping gas with CO2, O2 and special gases. Different foods, fruits and vegetables require different components and proportions of fresh-keeping gas.

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