How long can all kinds of frozen foods be preserved?

The storage time of all kinds of frozen foods is as follows: red meat such as pigs, cattle and sheep 10- 12 months, poultry meat such as chickens, ducks, geese and pigeons/8- 10 months, seafood such as fish, shrimp and shellfish for 3-6 months, cooked food such as sauce beef for 3-6 months, and meat stuffing for 3-6 months.

Under freezing conditions, microorganisms cannot reproduce, so frozen food can be preserved for a long time without adding preservatives. Common frozen foods mainly include fruits and vegetables, meat and poultry, aquatic products and so on. The refrigerator can keep food fresh and prolong its eating time, but the refrigerator is not a "safe box". Different foods have specific safe time limits for cold storage (about 4℃) or freezing (about-18℃).

Tips for prolonging the shelf life: Poultry, seafood and river fresh should be eviscerated and washed inside and outside before freezing, and other foods and meat should be carefully washed before freezing to remove surface bacteria; Before putting into the freezer, all foods should be divided into one portion and carefully packed with fresh-keeping bags or plastic wrap to prevent water loss; It is best to put a date and name label on the outer packaging for easy access.

Key points of buying frozen food

Go to regular supermarkets and shops to buy products produced by qualified enterprises; Pay attention to the production date, shelf life and QS mark of the product; Product packaging should be completely sealed; The surface of the product is shiny, and there is no large amount of frost crystal residue; Touch the surface of the product, feel hard, no softening phenomenon; Meat and poultry products do not have a lot of blood and ice residues.

In order to ensure the quality of frozen food, it is very important to keep it frozen. Need to pay attention to the following details: when shopping in the supermarket, finally buy frozen food; Put it in a cold bag, or dry ice (solid carbon dioxide); Wrap 2-3 layers with newspaper or wrapping paper, put food in the center of shopping bag to prevent heat absorption, and keep food frozen 1 hour in summer; After shopping, go home immediately and put it in the freezer.