Sodium Benzoate Food Preservative
Also known as "benzoate of soda," sodium benzoate is an FDA-approved, polyunsaturated fat that has been used by food manufacturers for over 80 years to inhibit microbial growth. As a food additive it is used as a preservative, effectively killing most yeasts, bacteria and fungi. Sodium benzoate is effective only in acidic conditions (pH < 3.6) making its use most prevalent in foods such as preserves, salad dressings (vinegar), carbonated drinks (carbonic acid), jams (citric acid), fruit juices (citric acid), and chinese food sauces. It is also found in alcohol-based mouthwash and silver polish. More recently, sodium benzoate has become apparent in many soft drinks, including Sprite, Fanta, Sunkist, Dr Pepper and Coke Zero.
It operates best in an acidic environment, and it works synergically with other food-grade preservatives -- most notably potassium sorbate. Sodium benzoate is freely found in nature, and in fact, even organically grown cranberries or prunes can contain levels......
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