Why Aluminum Foil Could Be Poisoning Your Meals

Foods containing vinegar, such as various pickles, salads dressed with vinaigrettes, or meats marinated in vinegar, should never be kept in proximity to aluminum. Vinegar is one of the most potent household solvents for aluminum. Contact between these two substances causes the aluminum sheet to corrode and develop tiny holes, a clear sign that the metal has leached into the food.