It is not advisable to use aluminum foil.

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A report in Reader's Digest, citing the Washington State Department of Health, states,"Bacteria like us also need air to survive. There are some bacteria in the food that beget poisoning that don't go down indeed at high temperatures.”
Still, bacteria will grow snappily,"If hot food is kept at room temperature for further than two hours."
This is why it's veritably parlous to use aluminum antipode to store redundant food. Because when it's used, the food isn't fully watertight.
Lindsay Malone, a registered nutritionist at the Cleveland Clinic, said
. That is why it's important to have a good idea of what a preservative is before using it. Else, the food may spoil veritably snappily.”
How to save food leavings-
In order to save food, it must first be snappily cooled and stored in a shallow and watertight vessel.
Make sure to store the food in the refrigerator within 2 hours after cuisine. This will reduce the chances of bacterial infection and spread.

Bacterial infections and growth are veritably presto in meat and dairy foods. Thus, utmost of these foods should be stored in any watertight vessel.
Still, it's better not to eat it, If a food is out for further than 2 hours.
According to Malone, “ If any food becomes inordinate, it should first be divided into small portions and also stored in an watertight vessel in the refrigerator at the right time. It can also be taken out and eaten at any time as needed. There's no longer any fear of bacteria."