Dried Fruit Horizontal Sealing Machine Vegetable Automatic Vacuum Packer

Dried Fruit Horizontal Sealing Machine Vegetable Automatic Vacuum Packer

What is Modified Atmosphere Packaging, MAP?

Modified Atmosphere Packaging (MAP) is a technique used for prolonging the shelf-life period of fresh or minimally processed foods. In this preservation technique the air surrounding the food in the package is changed to another composition. This way the initial fresh state of the product may be prolonged. It is the shelf-life of perishable products like meat, fish, fruits and vegetables that will be prolonged with MAP since it slows the natural deterioration of the product. MAP is used with various types of products, where the mixture of gases In the package depends on the type of product, packaging materials and storage temperature. Meat and fish need very low gas permeability films so for non-respiring products (meat, fish, cheese etc.) high barrier films are used. The initial flushed gas-mixture will be maintained inside the MAP package. But fruits and vegetables are respiring products where the interaction of the packaging material with the product is important. If the permeability (for O2 and CO2) of the packaging film is adapted to the products respiration, an equilibrium modified atmosphere will establish In the package and the shelf-life of the product will increase.

Everyone knows that food does not stay fresh forever. Milk turns sour, bread goes mouldy, meat develops a brown colour and an ‘off’ smell. A number of factors cause food spoilage. Oxygen in the air can cause a process of decay called oxidation. For example fats and oils in food can oxidise to make the food turn rancid. One of the main causes of the spoilage of food is the growth of microbes such as bacteria, yeasts and mould that are present all around us, even in and on our own bodies. These microbes feed and grow on the food product, causing it to go bad. The appearance of food can also change over time when exposed to air. Fresh meat turns brown after a while because of interactions between oxygen and pigments in the tissue.

MAP Tray Sealing Machine has the functions of sealing. It adopts intelligent temperature controller and strong sealing function. It uses JAPANESE OMRON PLC. Stainless steel frame meets to food standard. The usage of pneumatic parts simplifies the mechanical structure, decrease the breakdown. The performance of the machine is more stable and safe. The machine is suitable for using roll of plastic film and aluminium film, it is widely used in food industry.

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