Airtight containers are best as they prevent oxygen from getting to the food, which is what dangerous pathogens need to grow. No matter how tightly you manage to wrap your food with foil ...
He also told Southern Living that aluminium foil “doesn’t conform perfectly ... exposure to air which can cause your food to go off. A glass container can help to be more hygienic and a ...
says food wrapped in foil is at risk of infection by dangerous bacteria. Unlike safer options such as Tupperware containers and sealable plastic bags, foil does not create an airtight seal.