You can tell if a can is ruined if the top is bulging or the seam is split. It can also spoil if you allow it to become rusty. Take precautions to preserve your canned food inventory by storing them properly. Place them in a stable environment of 65 degrees or lower. You can refrigerate cans, but remember to rotate so you use them before they start to rust.
Canned foods have an almost infinite shelf life, safely-speaking.
However, Jackie says to use most canned foods within two years. After that time the taste, color and texture are compromised. TeriLee Productions Inc. Please read our user agreement for more information.