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Sodium Citrate (E331)

Also known as: sodium citrate, trisodium citrate, E331

Safe

Sodium citrate is widely used and considered safe by FDA and EFSA. EFSA re-evaluated citrates in 2018 and found no safety concerns at reported use levels; contributes modest sodium.

E-number

EE331

What it is

Sodium salts of citric acid, produced by neutralizing citric acid with a sodium source.

Acts as an acidity regulator, emulsifying salt, and sequestrant in processed foods, cheese, and beverages.

Regulatory status

United States — FDA

GRAS (21 CFR 184.1751)

European Union — EFSA

Authorised food additive (E331)

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