The time for keeping food in a vacuum fresh-keeping bag usually depends on the food it contains. If it is used to store relatively fresh agricultural and sideline products. It can usually be stored for about 6 days. If it is used to hold cooked food. It can be stored for about 15 days. And used to preserve nut foods. It can be stored for about 12 months.
1. Agricultural and sideline products
Vacuum fresh-keeping bags are used to store relatively fresh agricultural and sideline products. The shelf life can usually be extended to about 6 days. The vacuum preservation bag can remove oxygen. After the food had no air at that time. Bacteria cannot grow under vacuum. It will delay the time of deterioration.
2. Cooked food
Vacuum fresh-keeping bags are used to store cooked foods. The shelf life can be extended to about 15 days. After removing oxygen from the vacuum bag. It can prevent food from being oxidized and spoiled. Cooked foods contain a lot of unsaturated fatty acids. Under the action of oxygen, it will start to decay. And vitamin a and vitamin c in food will also be lost. The vacuum oxygen bag can prevent food from being oxidized.
Because there is no oxygen. Nuts can usually be placed in a vacuum preservation bag for about 12 months. The vacuum oxygen bag is when preserving food. Can resist pressure and block gas. It can keep the color, taste, shape, etc. of the food. The shelf life of nuts is extended to 12 months.
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