Generally, the shelf life of canned foods (or preserves) up to 5 years, But the truth is that most of the time There are production errors something that prevents consumption.
This happens like this: canned sardines or any other fish you can think of: if you open one of these boxes and there is anything inside sign of inadequate protection, The best thing you can do to avoid diseases like this is to throw it away. botulism.
Signs that a can of sardines is bad
- The cover moves up or down: If storage and preservation are sufficient, it should not be transported at all.
- There is a dent in the box: The hermetic seal may not be sufficient and the food inside may be in poor condition, full of bacteria that can endanger your life.
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It was a box rustydue to moisture or other factor.
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It was a box swollen, due to internal freezing or any other reason. bacteria Clostridium botulinumIt causes the food to expand, which causes botulism.
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to exist bubbles or foam while opening the box.
- Bad smell.
In any of these situations, throw the can in the trash and do not consume. It turns out that even if the product has not yet expired, you can still risk your life.