Is it bad to leave an open can in the fridge?
You should not try storing open metal cans in the refrigerator, because the iron and the tin can seep into the foods and taint the flavour and in some cases cause negative health effects. Keeping open cans in the fridge is especially dangerous if the food is quite acidic, such as fruits and tomatoes.
Can you put an opened can back in the fridge?
Storing open food cans in your fridge wont cause food poisoning or botulism, but it will affect the taste. The only time you could get food poisoning is if the can shows tangible signs of damage like foul-smelling contents, dents, leaks or bulges.
Is it OK to leave food in a can in the fridge?
In fact, the USDAs Food Safety and Inspection Service says its fine to leave food in the can and refrigerate it. (If you do thatand who hasnt at some point? you should cover the can.) Its just not the best thing to do.
Can you put an open can of Coke in the fridge?
According to Carl Batt, a food microbiologist at Cornell University, the real reason you shouldnt keep open cans in the refrigerator is because it causes the food to tasted canned. Its harder to get a good seal over a can to keep foods from drying out or sucking up other flavors/scents from the enclosed space.