Benzoic acid is a commonly used antimicrobial preservative in food and beverages, especially in carbonated beverages, as it presents its strongest antibacterial activity at pH 2.5–4.0. Benzoic acid also can inhibit the proliferation of bacteria and yeasts, a major cause of food spoilage. 

Benzoic acid hardly has effects on odor or taste of soft drinks if only put small amout in but with good preservative performance.  By the way, the preservative performance of benzoic acid is mainly up to its activity to delay the multiplication of several groups of microorganisms.  Besides, benzoic acid has low solubility in water, which makes its application in products containing large amounts of water. Therefore, the water-soluble salt sodium benzoate is also commonly used. Being an experienced solutions supplier and exporter for food and beverages manufacturers, Tianjiachem welcome any inquiries from all over the world. Please feel free to contact us.