Sodium benzoate is a salt of benzoic acid that is physically characterized as a white powder or granules, which may have a very subtle aroma and tends to be odorless. Due to its antimicrobial and antifungal properties, it is considered one of the main preservatives available, and is also used in other industries such as pharmaceuticals, food, and cosmetics. Learn more about sodium benzoate, its main properties, and its applications.
How is it obtained?
Sodium benzoate can be obtained through the partial oxidation of toluene, the reaction of benzene with methanoyl chloride catalyzed by copper chloride or aluminum chloride, and the hydrolysis of nitrobenzyl, benzamide, or carbonation of bromobenzene.
What is it for?
Sodium benzoate acts as an antifungal and antimicrobial additive, providing greater durability to various products such as soft drinks, juices, jams, margarines, beverages, wines, sugarcane-based juices, cider, cosmetics, dental formulations, and processed meats. Its action balances intracellular pH, creating an environment unfavorable to fungal growth. In addition, it helps preserve nutrients and maintain the original textures of foods.
Advantages of sodium benzoate
Sodium benzoate stands out as a powerful preservative, capable of maintaining the quality of various products for an extended period. Furthermore, it is an ingredient that does not alter the flavor, smell, or texture of the products.
Applications of sodium benzoate
Sodium benzoate is a very versatile preservative used in the production of a wide variety of products. Here are a few examples:
Foods:
- Pickled cans
- Tomato sauce/salad/mustard
- Coconut milk
- Olives
- Jams
- Canned fruit
- Meats
- Dairy products
- Margarines
- Soft drinks
- Wines; ciders
- Cured meats
- Canned sausages
Cosmetics:
- Shampoos
- Toothpaste/body cream/anti-acne cream
- Gels in general
Pharmaceuticals:
Lubricating and antimicrobial action of capsule and tablet.