Learn Glossary preservative

Potassium Benzoate(E212)

Level 3ContestedIn Winter's Dictionary

Potassium Benzoate is a preservative — Preservative in margarine and wine

What it does

Preservative in margarine and wine

Where you'll see it

margarine (0.1%), wine (0.1%)

What the research says

Similar concerns to benzoic acid/sodium benzoate. In sodas with HFCS, may form benzene (Coke/Pepsi formulations issue).

Regulatory status

  • US FDA: ASP
  • EU: approved
  • Notes: FDA limit 0.1% combined with sorbic acid

Sources

  • A Consumer's Dictionary of Food Additives (Winter): A preservative used in margarine and wine