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E211
Sodium Benzoate
Preservative · Also: Sodium benzenecarboxylate
RISK LEVEL
3 / 5
Risk 3

Sodium salt of benzoic acid. Can form benzene (carcinogen) when combined with Vitamin C in acidic drinks. Linked to hyperactivity.

Found in
Soft drinks, Sauces, Pickled foods, Fruit juices
Daily intake limit
0-5 mg/kg bw
Processing
Moderate

Body systems affected

Nervous
Linked to ADHD and hyperactivity in children — Southampton study
Immune
Can cause urticaria, asthma and allergic reactions
Cellular
Forms benzene when combined with Vitamin C in acidic drinks

What the research says

McCann et al. (2007) demonstrated link to hyperactivity. Benzene formation with vitamin C documented in carbonated drinks.

Allergenic potential: Moderate

Metabolic effects: Benzene formation with ascorbic acid

FDA Permitted
EFSA Approved
WHO Evaluated
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FoodWize E-Numbers Encyclopedia · Researched from verified science · Informational only, not medical advice.
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