How long can ordinary vacuum packaged cooked meat be stored at room temperature?

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it can be stored for 4 to 5 days in winter. It will go bad in summer. If you don’t want to go bad, put it in the refrigerator, because although the vacuum packaged food cuts off the oxygen required by the living organisms, there is also an anaerobic bacteria. Without oxygen, it will reproduce faster

therefore, pure vacuum packaging can not achieve the ideal storage at room temperature. If you want to store at room temperature, you must sterilize at high temperature

If sterilized, it can be stored for a year or even longer

extended data:

vacuum packaging, also known as decompression packaging, is to extract and seal all the air in the packaging container to maintain a high decompression state in the bag. The scarcity of air is equivalent to the effect of low oxygen, so that microorganisms have no living conditions, so as to achieve the purpose of fresh fruits and no disease and rot

at present, vacuum packaging in plastic bags, aluminum foil packaging, glassware, plastic and composite packaging, etc. Packaging materials can be selected according to the type of articles. As fruits are fresh food, they are still breathing, and high hypoxia will cause physiological diseases. Therefore, less fruits use vacuum packaging

mechanism of vacuum packaging:

1. It is to reduce the oxygen content in the package, prevent the mildew and rot of the packaged food, maintain the color and flavor of the food, and extend the shelf life

2. Vacuum packaging certainly plays an important role in food But it has an extraordinary effect when it is used in the processing of clothing products

3. Compared with ordinary packaging methods, vacuum packaging reduces the space occupied by articles And it has the advantages of moisture-proof, dust-proof and bacteria proof, which makes the transportation of clothing items more convenient

4. The possibility of loss caused by some accidents is greatly reduced

References: Baidu Encyclopedia – vacuum packaging

vacuum packaging technology has great advantages in packaging cooked food. The use of vacuum technology reduces the oxygen content in the package, which can not only prevent the deterioration of the food in the package, but also maintain the color, flavor and prolong the shelf life of the food. Most of the cooked foods we buy in supermarkets and other places are vacuum packed. After unpacking, we can taste fresh food, which is the credit of vacuum packaging

however, how long can these vacuum packaged cooked meat be preserved at room temperature, and how can we judge whether it has gone bad

first of all, the storage time of vacuum packaged meat cooked food is closely related to the treatment method before packaging. If it is sterilized at high temperature before packaging, it can be stored for about 10 to 15 days at ordinary indoor temperature in winter, but it can only be stored for about 4 to 7 days in summer

of course, refrigeration can prolong the storage time. If frozen, the storage time will be longer. If it is cooked meat without high-temperature sterilization before packaging, it can only be stored for about 6 days in normal temperature room in winter after vacuum packaging, and only for about 2 days in summer

to judge whether the vacuum packaged food has deteriorated, you can see the change of the bag. If it has deteriorated, the bag will bulge. Because the deterioration of meat products is mostly the growth of bacteria, a large number of bacteria will release a certain amount of carbon dioxide, so the bag will become bulging

in addition to this reason, if you encounter a bag with poor sealing, the meat food inside will also deteriorate. At this time, you can judge by smelling the taste of the food, and then observe the color of the meat product. Generally, you can tell whether the meat product has deteriorated or not. Finally, you can also take a look at the shelf life on the vacuum packaging bag. Generally, food that has passed the shelf life will also deteriorate

the above is my answer to this question, which may be due to the lack of experience and knowledge. I hope you can criticize and correct it

1. Cold dishes have the highest requirements for food hygiene and safety, and it is best to eat them now
2. Brine products such as soy sauce meat and stewed pig feet should be refrigerated all the time. The temperature of refrigeration should preferably be below 4 ℃. If they are refrigerated for a long time, they can also be frozen. However, the taste and taste of frozen brine products are not so good, and the taste will decline
3. Cooked foods such as dried meat can be stored at room temperature, but they should not be stored at room temperature for more than 4 ~ 5 hours
however, if you haven’t finished eating after opening, you’d better put it in the refrigerator in the cooked food preservation cabinet
4. When refrigerated cooked food, it should be stored separately from raw food. Generally, cooked meat, milk, yogurt and other foods that will not be heated for too long should be placed on the top layer, while the rusty storage time should be long and placed on the bottom layer. The unfrozen fish should be placed in a special fresh-keeping box
5. Cross infection shall be avoided in the frozen raw and cooked food room. Frozen food shall be refrigerated in the fresh-keeping cabinet in different areas. Raw fish, raw meat and the like shall be placed on the top layer, and fruits and steamed bread shall be placed on the top layer; If there are three layers, the middle layer can put quick-frozen dumplings, frozen tofu and so on.

vacuum packed cooked meat can be stored at room temperature for 4 to 5 days in winter, and will break down in summer. It should be put in the refrigerator. If it goes bad, the bag will bulge because the bacteria will release carbon dioxide.

it will go bad in four to five days in winter and in summer. If you want to go bad, put it in the refrigerator. Although the vacuum packaged food cuts off the oxygen required by the life support bacteria, there is also an anaerobic bacteria. Without oxygen, it will reproduce faster. Therefore, simple vacuum packaging can not achieve the ideal preservation at room temperature. If you want to preserve at room temperature, you must sterilize at high temperature,

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