For canned food it is different than regular food. They seal it very very tight and doesn't oxygenate the way regular food does. My dad was in the Marines and he said asong as the can is not buldging, or has opened at a seam and been exposed to air, there really is no real expiration date. The preservatives that canned foods last a very very long time.
Check the labels for an expiration date & just go from there!
they except anything that ud not passed exp datr.
How old of food would you eat? That is a good rule of thumb. The poor and destitute need dignity too.
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