Under normal bare storage, Zhouhe ducks may deteriorate, odor, or spoil in a short period of time, or may cause various foods to exceed the standard, causing food safety risks.
Zhou Black Duck's air-conditioning lock fresh packaging uses air-conditioned fresh-keeping packaging, and the air-conditioning fresh-keeping packaging is a brand-new food packaging method. Applicable to cooked food, cold meat, poultry and other foods that are not easy to keep fresh, put the food in the box, replace the natural air in the box with a certain proportion of fresh air, through the choice of packaging materials, good The sealing process extends the shelf life and shelf life at the refrigerated temperature.
The causes of corruption in Zhou Black Duck are:
1. Excessive amounts of microorganisms cause protein denaturation, which causes various kinds of corruption.
2, rancid, most foods contain nutrients such as oil, protein, etc., these components are oxidized or decomposed by microbial action or high temperature oxidation in the presence of oxygen, producing small molecular acids, and releasing a unique odor, resulting in The acid value of the food exceeds the standard, and there is a rancid phenomenon. In severe cases, it will irritate the scent of the scent.
3, vacuum packaging, frozen packaging and other physical extrusion caused by the physical changes in the physical structure of food molecules, can also cause food taste changes.
So how does the atmosphere packaging avoid this?
For the black duck cooked food, it is usually a mixture of carbon dioxide and nitrogen to replace the natural air in the box, so that the oxygen content in the box is reduced to the limit, so that the bacteria can grow in such an environment. Get suppressed. At the same time, more than 20%, the concentration of carbon dioxide will also inhibit the growth rate of most bacteria, bacterial growth is slow, and the preservation period is naturally prolonged.
After the modified atmosphere packaging, the black duck locks are freshly packed, and the oxygen content in the package is extremely low, which also avoids the rancidity of the food.
At the same time, the air-conditioning lock can be packed in fresh packaging. It does not squeeze the food and the aromatic substances in the food. It does not cause physical changes in the food, and does not affect the taste of the food as much as possible to maintain the original ecological preservation taste.
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