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Sequestrant

Food preservative From Wikipedia, the free encyclopedia

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A sequestrant is a food additive which improves the quality and stability of foods.[1] A sequestrant forms chelate complexes with polyvalent metal ions, especially copper, iron and nickel. This can prevent the oxidation of the fats in the food. Sequestrants are therefore a type of preservative.

The name comes from Latin and means "to withdraw from use" [citation needed].

Common sequestrants are:

Sodium and calcium salts of EDTA are also commonly used in many foods and beverages.

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