Polyunsaturated Fat (PUFA) Also known as omega-3, omega-6 fats What is Polyunsaturated Fat? Polyunsaturated fats are triglycerides of fatty acids that contain more than one double bond (C=C). They occur in liquid form at room temperature. Despite their susceptibility to oxidation, polyunsaturated fats are added to foods and baked products for their [...]