In brief: Sodium benzoate is the sodium salt of benzoic acid and is used as preservative E211, especially in acidic foods and drinks.
What is E211 used for?
| Area | Interpretation |
|---|---|
| Drinks | Control of yeasts and moulds |
| Sauces | Preservation |
| Effectiveness | Especially in acidic conditions |
| ADI | Set by authorities |
Vitamin C and benzene
Under certain conditions, drinks containing benzoates and ascorbic acid can form benzene. Manufacturers therefore control formulation, metals, light and temperature.
FAQ
Is E211 banned?
No.
Is sodium benzoate the same as benzene?
No.
Is every drink with vitamin C and E211 dangerous?
No.
Why is E211 used?
For microbiological stability.
Conclusion
Sodium benzoate is an established preservative. Authorised levels and controlled formulations are what matter.