Sodium benzoate is a food preservative that helps inhibit the growth of bacteria, yeast, and mold, extending the shelf life of products. Sodium benzoate is basically a sodium salt of benzoic acid ...

are salts of benzoic acid. As the most commonly used benzoate salts, sodium benzoate and potassium benzoate are best known as preservatives used in processed foods and beverages to extend shelf life.