Potassium Sorbate Also known as sorbic acid potassium salt What is Potassium Sorbate? Potassium sorbate (K-sorbate) is a food preservative commonly used in the baking industry to prevent mold, yeast, and microbes. It is often used in cakes and icings, beverage syrups, cheese, dried fruits, margarine, pie fillings, wine, etc. at concentrations [...]