The difference between modified atmosphere box and vacuum packaging

(1) The principle of Dalian Jiaxing Plastic Co., Ltd.'s modified atmosphere box is a packaging method that uses special gases to replace the air inside the packaging. The modified atmosphere box can

According to the variety of food, different gas ratios are used for packaging. Generally, nitrogen, oxygen, carbon dioxide, etc. are used as gases. Of course, according to the latest research, they can also be used

Properly use some gases such as argon and carbon monoxide as packaging gases. In short, the modified atmosphere box not only does not affect the taste, quality, color, etc. of the ingredients, but also suppresses

Try to prolong the shelf life of food by preventing bacterial growth.

(2) Vacuum bags, also known as pressure reducing packaging, are designed based on the principle of atmospheric pressure. The primary function of vacuum bags is to remove oxygen, which is beneficial for preventing mold and decay. Vacuum packaging

It is to extract the oxygen inside the packaging bag and food cells with an air pump, so that microorganisms lose their "living environment", inhibit the proliferation of bacteria and other microorganisms, and avoid

After oxidation and mold on certain soft items, they can be packaged by a fully automatic vacuum packaging machine to reduce the packaging volume and facilitate transportation and storage. two

Each packaging mode has its own advantages and disadvantages. Vacuum packaging only requires two actions to complete, namely air extraction and sealing. Strictly speaking, it can only be called oxygen isolation packaging,

Mainly used in some leisure foods.

Its characteristics:

1. Isolation of oxygen prevents the proliferation and growth of aerobic bacteria.

2. Anaerobic and facultative bacteria are not inhibited, and the continued reproduction of bacteria will quickly deteriorate without sterilization.

3. Food can easily deform and lose its original appearance when further kneaded under atmospheric pressure, and the texture will become firm, losing its natural crispness.

4. Vacuum packaging needs to be assisted by high-temperature sterilization to achieve the ideal shelf life. The treatment of secondary sterilization often has a significant impact on the quality of food, resulting in loss of quality

To fulfill the original promise.

5. The shelf life of vacuum packaging is longer than that of modified atmosphere packaging. Generally, vacuum packaging takes more than one month. Vacuum packaging emphasizes that modified atmosphere packaging overcomes the need for preservation

Vacuum packaging has various drawbacks to food, such as kneading deformation, decreased taste, and meat texture hardening, but the shelf life cannot reach the storage time after high-temperature sterilization.

Its characteristics:

1. Mainly used on some ready to eat foods, it has a short shelf life and is not easy to store for too long.

2. Isolation of oxygen prevents the growth of aerobic bacteria.

3. Effectively inhibits the growth of anaerobic bacteria and facultative bacteria.

4. The concept of ready to eat and fresh is emphasized in the production of modified atmosphere packaging products. Therefore, it is necessary to have the food fully refrigerated throughout the packaging process to ensure that the temperature of the food is between 0 and 4 degrees Celsius, while vacuum is used

The packaging does not have such high temperature constraints

5. It does not affect the appearance, color, moisture, taste, or texture of things, but maintains their original taste. Modified atmosphere packaging products do not undergo secondary sterilization of food

Processing in this way will improve the quality of the food, and the modified atmosphere packaging will not compress the ingredients. The biggest advantage of this is that it will not damage the fiber of the ingredients, and the taste and flavor of the food will not be affected

Will not be affected

6. Convenient for customers to access and carry, hygienic and beautiful.

7. Modified atmosphere packaging products generally take around 10-15 days. Modified atmosphere packaging is mainly aimed at selling fresh goods. Vacuum packaging is a relatively traditional packaging method, and with people's daily lives

With the improvement of level and the shift of people's consumption from eating and being full to eating well and healthy, vacuum packaging will become less and less popular, replaced by the popularity of modified atmosphere boxes.