SJZ Chem-Pharm Co., Ltd.
In industry, EDTA is mainly used to sequester metal ions in aqueous solution. In the textile industry, it prevents metal ion impurities from modifying colors of dyed products. In the pulp and paper industry, EDTA inhibits the ability of metal ions, especially Mn2+, from catalyzing the disproportionation of hydrogen peroxide, which is used in "chlorine-free bleaching". In a similar manner, EDTA is added to some food as a preservative or stabilizer to prevent catalytic oxidative decoloration, which is catalyzed by metal ions.In soft drinks containing Ascorbic Acid and Sodium Benzoate, EDTA mitigates formation of benzene (a carcinogen).
Some alternative practitioners believe EDTA acts as an antioxidant, preventing free radicals from injuring blood vessel walls, therefore reducing atherosclerosis.These ideas are unsupported by scientific studies, and seem to contradict some currently accepted principles.The U.S. FDA has not approved it for the treatment of atherosclerosis
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