5. Tuna
Who does not keep canned tuna in the fridge? This is another common practice. We only need to keep it in the fridge if the food is unsealed. However, also you can keep it outside of the fridge if the can is still unopened. Just like pickles, canned tuna contains preservatives that help the food stay fresh for longer without cold air. Actually, canned tuna tastes better if kept at room temperature. Low temperatures change the taste and flavor of the fish.
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