[pə′tas·ē·əm ′sȯr‚bāt] (organic chemistry) C6H7KO2 A crystalline compound, more soluble in water than in alcohol; decomposes above 270°C; used to inhibit mold and yeast growth in food.
potassium sorbate
po·tas·si·um sor·bate
a mold and yeast inhibitor, used as a preservative.