E284

Boric acid

E Number E284
Name Boric acid
Class Preservatives
Groups
Additional details Preservative, antiseptic
Origin Synthetic
Common applications Caviar, shellfish, fish products, canned preserves
Observations In brain, block glutamine synthesis and at middle-long terms cause liver cancer
Evaluation To avoid

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Conditions of use in food categories

Category Number Category Name Maximum Level (mg/l or mg/kg as appropriate) Details Restrictions/exceptions
09.3 Fish roe4 000Expressed as boric acidonly Sturgeons’ eggs (Caviar)