Allervibe
E211
Sodium benzoate
The sodium salt of benzoic acid, effective in acidic foods and drinks.
i Additive Details
| Uses
Preserves soft drinks, fruit juices, salad dressings, jams, pickles, soy sauce, condiments, and many medicines. Most effective at pH below 4.5, which is why it shows up so often in fizzy drinks and pickled foods.
| Precautions
When combined with ascorbic acid (E300) and exposed to heat or light, trace amounts of benzene can form. Manufacturers have largely reformulated to prevent this. Reactions are reported in some people with asthma, urticaria, or aspirin sensitivity.
| Interactions
Reacts with ascorbic acid in acidic solutions to potentially form benzene. Frequently paired with potassium sorbate (E202) to broaden the antimicrobial range across pH levels.
| Origin
Synthetic. Produced industrially by reacting benzoic acid with sodium hydroxide. Benzoic acid occurs naturally in cranberries, prunes, and cinnamon.
| Daily Intake
EFSA's 2016 re-evaluation maintained a group ADI for benzoic acid and benzoates of 5 mg per kg of body weight per day (expressed as benzoic acid).
Information is sourced from public regulatory bodies (EFSA, FDA, WHO) and is for reference only. Always read the package and consult a healthcare professional for medical advice.
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