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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.
EDTA (ethylenediaminetetraacetic acid) is a chelating agent that binds divalent metal ions such as calcium and magnesium. EDTA can be used to prevent degradation of DNA and RNA and to inactivate nucleases that require metal ions.