Sodium Benzoate
Also known as: Benzoate of Soda
Acidity RegulatorsPreservatives
Safety rating
Use Sparingly
Eat Away!Generally SafeUse SparinglyAvoid
Purpose and Function
Sodium benzoate is the sodium salt of benzoic acid, primarily used as a preservative effective at inhibiting fungi, bacteria, and yeast, particularly in acidic foods like carbonated beverages, fruit juices, and pickles. It also helps regulate acidity and is used in pharmaceuticals and personal care products.
Commonly found in
- —Soft drinks and carbonated beverages
- —Fruit juices and pickles
- —Salad dressings and condiments
- —Mouthwash and toothpaste
Key functions
- —Inhibits growth of mold, bacteria, and yeast
- —Regulates acidity and stabilizes pH
Potential Risks and Side Effects
- 01Can form benzene, a known carcinogen, when combined with ascorbic acid (vitamin C) under heat/light exposure
- 02Linked to increased hyperactivity in children in some research, particularly combined with artificial colorants
- 03Rare allergic reactions — skin rashes, itching, swelling
- 04High doses linked to oxidative stress in cell studies, though far above normal dietary exposure