What Happens When You Leave Canned Food Open In The Fridge - Chowhound

While the thought of metals contaminating your canned foods is a concerning one, there's little basis for worry if all you're using the can for is storage. Most food cans in the U.S. are made of steel, which could leach minuscule amounts of chromium and nickel in certain circumstances, like cooking. For instance, a study published in the Journal of Agriculture and Food Science found that these metals can be…