eat all the expired food in tin cans in your bunker...its perfectly safe
It's funny you say that...
One time I bought crab meat in a can (the first time I've ever done that). It was in a refrigerated section. I was actually visiting a group of friends for a week, and we went to this special market. When I got home from my visit, I robotically put my cans in the pantry.
Later I went to get that can of crab meat and the can top had bubbled up. No surprise, it had to be refrigerated.
I didn't even open it.
Per the USDA:
- If cans are in good condition (no dents, swelling, or rust) and have been stored in a cool, clean, dry place they are safe indefinitely.
- High acid foods such as tomatoes and other fruit will keep their best quality up to 18 months; low acid foods such as meat and vegetables, 2 to 5 years.
- NEVER USE food from containers that show possible "botulism" warnings: leaking, bulging, or badly dented cans; cracked jars or jars with loose or bulging lids; canned food with a foul odor; or any container that spurts liquid when opening. Even a minuscule amount of botulinum toxin can be deadly.