Eli5: why do certain refrigerated products require us to consume all once opened? Why can’t we eat some and refrigerate it again to consumer it later?
In: 24
The longer it’s opened, the less safe it becomes as it’s now exposed to oxygen and bacteria. Chances are bacteria from your mouth also got into the food.
In the short term this isn’t a bit deal, but the issue arises when people put food back into a fridge and let it sit for days/weeks, then eat it again and get sick. They then go on to complain about how that food was “unsafe” to eat.
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