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EDTA is universally used as a food preservative(therefore, itâs generally recognized as safe) and weâre exposed to arather large amount (15-50 mg) every day. EDTA, by binding andneutralizing the action of iron and heavy metals, prevents oxida-tion and rancidity in prepared and processed foods and oils.
Calcium disodium EDTA has been approved in the U.S. for use in chelation therapy. Chelation therapy helps to remove heavy metals from the body and is used to treat lead poisoning and radiation exposure.As a food additive, it helps to prevent colour or flavour deterioration.alcium disodium EDTA is widely used and is becoming one of the most common organic pollutants. 2. Besides its use as a food additive, it is used in the textile and paper industries.