Sequestrant
A sequestrant is a
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:
- Calcium chloride (E509)
- Calcium acetate (E263)
- Calcium disodium ethylene diamine tetra-acetate(E385)
- Glucono delta-lactone (E575)
- Sodium gluconate (E576)
- Potassium gluconate (E577)
- Sodium tripolyphosphate(E451)
- Sodium hexametaphosphate (E452i)
Sodium and calcium salts of
EDTA
are also commonly used in many foods and beverages.
References
- ISBN 978-0-12-378613-5.
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