Canned food (or canned food) is often said to have a shelf life. up to 5 years, but the fact is that there are often manufacturing defects that hinder its consumption.
This is what happens with cans of sardines or any other fish you can think of: If you open one of these cans and see a sign that the can is insufficient, the best thing you can do is throw it away to avoid diseases like: botulism.
Signs that a can of sardines is bad
- The flap moves up or down: If the storage and protection is adequate, it should not be moved at all.
- The box has a stapler: hermetic seal may not be enough and the food inside may be in bad condition with bacteria that can endanger your life.
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the box has been rustydue to humidity or some other factor.
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the box has been swollen, due to internal freezing or any other reason. bacterium Clostridium botulinumcauses the food to expand, which causes botulism.
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to exist bubbles or foam when opening the box.
- Bad smell.
In any of these cases, throw the can in the trash and do not consume it. It would seem that even if the product has not passed its expiration date, you can put your life at risk.