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How long can cooked food be kept in vacuum packaging?

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Hello, I’m Li Niu. I’m honored to answer your question. In spring and winter, cooked food can be stored in vacuum packaging for about 15 days. In summer and autumn, it can only be preserved for about 4 days to a week, and the best way to preserve it is refrigeration. The storage time of vacuum packaging under normal temperature is different for different kinds of food. Fresh agricultural and sideline products or slightly processed meat products can be stored for 2 days at room temperature. After vacuum packaging, the time can be extended to 6 days, and some can be extended to 18 days; The time of dried fruits is relatively long, and some can even exceed 12 months; The time for cooked food is shorter. Vacuum packaged food can not only isolate bacteria, but also prolong the shelf life.
Consultation record · answer on May 28, 2021 how long can cooked food vacuum packaging be kept? Hello, I’m Li Niu. I’m honored to answer your question. In spring and winter, cooked food can be stored in vacuum packaging for about 15 days. In summer and autumn, it can only be preserved for about 4 days to a week, and the best way to preserve it is refrigeration. The storage time of vacuum packaging under normal temperature is different for different kinds of food. Fresh agricultural and sideline products or slightly processed meat products can be stored for 2 days at room temperature. After vacuum packaging, the time can be extended to 6 days, and some can be extended to 18 days; The time of dried fruits is relatively long, and some can even exceed 12 months; The time for cooked food is shorter. Vacuum packaged food can not only isolate bacteria, but also prolong the shelf life
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Answer

 the shelf life of cooked food will hardly be extended if it is not sterilized after vacuum packaging

 if the packing bag is relatively strong, it is better to cook it together with the packing bag again to eliminate anaerobic bacteria and achieve long-term storage

 store in a refrigerated environment: the refrigerated environment is generally about - 18 ℃. At this temperature, most bacteria stop growing and developing. Therefore, even cooked food without vacuum packaging can be stored for half a year. For food that has been vacuum packaged, it can be stored longer

 add preservatives: if it is cooked food that has not been packaged, you can also add an appropriate amount of applicable preservatives according to the types of cooked food and the use standards of food additives in China to prevent deterioration. Vacuum packaging is the way to extend the shelf life. If you want to extend it, you need to sterilize at high temperature and put it in the refrigerator

 how long food can be stored depends on the bacterial reproduction rate of the food itself. If the food does not contain harmful bacteria, theoretically, these foods can be preserved forever

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