EDTA supports the action of antioxidants and preserves food from alteration of flavor and color. Because of its ability to bind strongly with minerals and metals, EDTA forms very stable metal complexes that can have undesirable metabolic effects. Complexes formed with copper or iron can thus promote the oxidation of certain vitamins and fatty acids. However, it seems that this complexing may also promote the absorption of dietary iron. Some researchers therefore promote its use.
Spreadable fats, certain canned vegetables, frozen shellfish, emulsified sauces, certain cold meats in particular..