Sodium Benzoate is used as a preservative to prevent food from molding. It helps keep our products shelf-stable for at least two years from the date of purchase and is used in concentrations of less than 0.5% by volume.
While sodium benzoate is considered safe, scientists have shown that negative side effects occur when it's mixed with ascorbic acid (vitamin C). Their studies indicate that it then turns into benzene, a known carcinogen that may cause cancer.
Food. In the food industry, sodium benzoate is used to prevent spoilage from harmful bacteria, yeasts, and molds. It also helps maintain freshness in food by helping to slow or prevent changes in color, flavor, PH, and texture.
Other foods that commonly include sodium benzoate include:
Drink. Sodium benzoate is used as a preservative in soft drinks to increase the acidity flavor and as a preservative to extend the shelf life.
Coca-Cola. Sodium benzoate, potassium benzoate, and potassium sorbate are the three common preservatives in Coca-Cola’s drink. Sodium benzoate is used to protect the taste and it's used as an antimicrobial agent. Additionally, we can commonly find sodium benzoate in the ingredient lists of Fanta and Sprite.
PepsiCo. Sodium benzoate is also used to preserve freshness in Pepsi carbonated soft drinks. However, it’s used less in PepsiCo’s popular sodas, Diet Pepsi and Pepsi, which use potassium benzoate as the main preservative.
Cosmetics. Like food and drink products, cosmetics also need preservatives to prevent the growth of bacteria. Preservative-free, natural products cannot be stored for a long time.
Personal care products. Sodium benzoate can be used as an anti-corrosive and preservative in a large variety of personal care products such as:
Toothpaste. To inhibit the growth of microorganisms in toothpaste, producers usually add a certain amount of preservatives. When considering the antimicrobial effect, safety, and price, sodium benzoate is often the better choice compared with other commonly used preservatives in toothpaste.
Pharmaceuticals. Sodium benzoate can also be used in pharmaceutical products for its antimicrobial properties, such as in the formulation of tablets, capsules, and cough syrup.
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