Aluminum Foil & Your Health

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Remember this article when wrapping your leftovers in aluminum foil.
This is particularly dripping with tomato sauce.
Salty foods and those that are very acidic such as lemons, grapefruits, ketchup and pickles accelerate the oxidation of aluminum and can actually eat through foil with prolonged exposure.
This can also leach aluminum into food, which can affect its flavor and may pose a health risk.
If you want to use foils on foods with acidic ingredients, cover it first with a layer or two of plastic wrapper to prevent sauce from coming into contact with the foil.