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E 579Acidity Regulators & Anti-caking Agents

Ferrous gluconate

Characteristics

Additive NameFerrous gluconate
E No.E 579
TypeIndividual Substance
In plain language

An iron salt used primarily to preserve and stabilise the colour of black olives, giving them that consistent dark appearance. It can also serve as an iron supplement in some food products. Approved by EFSA and generally considered safe at the levels used in food. Found mainly in processed olives and similar preserved vegetables.

Conditions of Use

This additive is authorised to be used in the following 2 food categories:

4.2.2fruit and vegetables in vinegar oil or brine
Maximum Level = 150 mg/kg
only olives darkened by oxidation
Footnote 56: Expressed as Fe
4.2.3canned or bottled fruit and vegetables
Maximum Level = 150 mg/kg
only olives darkened by oxidation
Footnote 56: Expressed as Fe

Source

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E 579 - Ferrous gluconate | E-Number Information