Canned meat, canned aquatic animals is generally not shorter than 24 months; canned fruits and vegetables is generally not shorter than 15 months; fried dried fruits, fruit juices, shrimp, shellfish, crabs, tomato sauce and other canned food is generally not shorter than 12 months. Canned food manufacturers can be based on production varieties, technical conditions, packaging containers and other specific circumstances, to determine their own shelf life.

The shelf life of canned food by two elements, one for the storage conditions, the second for the period, the two are closely related, inseparable. Storage conditions must be marked in the food labeling, usually including room temperature, light preservation, refrigerated preservation, frozen preservation.

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Canned food shopping tips

Canned food selection should be from the surface to the inside, look at the body, look at the date, and then open the cans to inspect the contents. Where the date of production is close, the trademark is distinct, the bottom cover is slightly concave, the can box appearance is clean, shiny, no rust spots, solder integrity, tight seal, no damage, no deformation, not puffing the can are normal canned goods.

Glass jar canned goods to the middle of the lid to the inward concave, canned food in the normal color, block shape integrity, clear soup, no sediment at the bottom of the can, canning to meet the standard is good.

After the above identification, there is still doubt or need to accurately determine the merits, it is necessary to open the can to smell the contents of the odor, and check the appearance of the color. Canned food should be carefully observed after pouring out the inner wall of the canister box with or without blackening, corrosion or paint layer peeling phenomena. Where there is no rust spots, no black spots, does not change color is good.

Baidu Encyclopedia - Canned Foods