Another noticeable application is in the production of various esters. These formic acid derivatives are used in food flavorings, fragrances, and other specialty chemicals. The compound is also utilized as a solvent and in the formulation of various chemical mixtures, including cleaning agents and other industrial fluids.
The FDA reviewed potassium sorbate as a preservative ingredient, and has also determined that it’s Generally Recognized As Safe (GRAS) as a preservative for direct addition to food.
Applications in Food and Pharmaceuticals
Interestingly, sorbic acid, the parent compound of potassium sorbate, is naturally found in some berries, such as the edible sorb apple. However, the synthetic version, E202, is more commonly used in food applications due to its cost-effectiveness and stability. It is often listed among ingredients in food labels, and its presence is regulated by food safety authorities worldwide, including the European Food Safety Authority (EFSA) and the U.S. Food and Drug Administration (FDA).
e202 preservative
