The additive is found in more foods than you might think. Because it's tasteless and odorless, potassium sorbate is used to help a wide range of foods stay fresh, according to the Center for Science in the Public Interest (CSPI). These include:
Not only do sorbates contribute to improved shelf stability, but they also have the added advantage of being effective at relatively low concentrations. This means that they can be used without compromising the sensory qualities of the food, fostering consumer acceptance.