E211 is Sodium Benzoate, a preservative used mainly in acidic foods and drinks to prevent spoilage from bacteria, yeast, and fungi.
π Quick Facts
- Category: Preservative, antimicrobial agent
- Origin: Synthetic (sodium salt of benzoic acid, which occurs naturally in some fruits like cranberries)
- Common Uses: Soft drinks, fruit juices, jams, pickles, sauces, salad dressings
- Safety: Approved worldwide but controversial; may form benzene (a carcinogen) in combination with vitamin C under heat/light
- Also known as: Sodium salt of benzoic acid
- Typical Use Level: 0.05β0.1% in foods and beverages
- How to Use: Effective only in acidic conditions (pH < 4.5)
- Dietary: Vegan, vegetarian, allergen-free
- ADI: 0β5 mg/kg body weight/day
- Key Feature: Very effective in acidic environments but sensitive to formulation issues
π§ Verdict
E211 is effective and cheap, but less βclean labelβ compared to sorbates. While considered safe within ADI, many producers are moving toward alternatives due to consumer concerns.