Potassium sorbate is the potassium salt of Sorbic Acid, its primary use is as a food preservative. Potassium sorbate is effective in a variety of applications including food, wine, and personal care products.    used to inhibit molds and yeasts in many foods, such as cheese, wine, yogurt, dried meats, apple cider, soft drinks and fruit drinks, and baked goods.    It can also be found in the ingredients list of many dried fruit products.    In addition, herbal dietary supplement products generally contain potassium sorbate, which acts to prevent mold and microbes and to increase shelf life, and is used in quantities at which there are no known adverse health effects, over short periods of time.