Similar to other canned products, such as vegetables, canned soup lasts for up to 2 years if it is unopened. Often, canned products list a best-by date, which is not the same as an expiration date. Canned products like soup are still edible after the best-by date passes; however, there may be a noticeable loss of flavor.
According to the Bumble Bee company, which manufactures canned sardines, if properly stored with no damage to the can, sardines in a tin stay good for several years. Sardines do have a "Best By" date that is typically stamped on the can by the manufacturer.Full Answer >
Unopened canned tomatoes are best when used within 12 to 18 months when stored at room temperature. While they are safe for consumption beyond this time period, the tomatoes can develop an undesirable metallic taste. Once opened, canned tomatoes are good for seven days if kept in a refrigerator.Full Answer >
Canned tuna, like all canned meats that are not kept in a refrigerator before being opened, are considered non-perishable items. Despite having a use-by date, if the can does not show signs of denting, rusting, leaking or bulging, the tuna is generally safe to eat.Full Answer >
Canned soup rarely carries a "use by" label or expiration date. Instead, many canned soups contain a "best by" label. This is an indication of quality rather than safety, as most canned goods can last several years beyond this time frame with no safety concerns.Full Answer >