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E 212Preservatives

Potassium benzoate

Characteristics

Additive NamePotassium benzoate
E No.E 212
TypeIndividual Substance
In plain language

A synthetic preservative that stops mould and bacteria from growing, mainly used in acidic foods and drinks. It's authorised in very few food categories, which reflects cautious regulatory limits. When combined with vitamin C (ascorbic acid), it can form benzene — a known carcinogen — so that combination in drinks is a genuine concern worth checking labels for.

Source

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E 212 - Potassium benzoate | E-Number Information