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Regardless of the "use by" date, Hutchings said to toss any canned item that is leaking, bulging, or dented; jars that are cracked or have loose lids; food that has a foul smell; and any cans or ...
While canned tuna can be safe to eat past its best-by date, here are some potential risks to keep in mind: Bacterial Growth: ... Do not buy cans that are dented, leaking, cracked or have bulging ...
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According to the United States Department of Agriculture (USDA), "canned foods are safe indefinitely as long as they are not exposed to freezing temperatures, or temperatures above 90 °F (32.2 °C)". [citation needed] If the cans look okay, they are safe to use. Discard cans that are dented, rusted, or swollen.
In 1974, samples of canned food from the wreck of the Bertrand, a steamboat that sank in the Missouri River in 1865, were tested by the National Food Processors Association. Although appearance, smell, and vitamin content had deteriorated, there was no trace of microbial growth and the 109-year-old food was determined to be still safe to eat. [3]
Canned pickled horse mackerel (chicharros en escabeche) from Spain. Canned or tinned fish are food fish which have been processed, sealed in an airtight container such as a sealed tin can, and subjected to heat. Canning is a method of preserving food, and provides a typical shelf life ranging from one to five years.
Dented cans may compromise the seal, potentially leading to contamination or spoilage. Always inspect cans carefully before purchasing or using them to ensure they are in good condition.
A study showed that 99.5% of the controlled food cans contain tin in an amount below that level. [4] However, un-lacquered tin cans with food of a low pH, such as fruits and pickled vegetables, can contain elevated concentrations of tin. [2] The toxic effects of tin compounds are based on its interference with iron and copper metabolism.