trans fats are formed from the process of
Most of the trans fat in the foods we eat is formed through a manufacturing process that adds hydrogen to vegetable oil, which converts the liquid into a solid fat at room temperature. This process is called hydrogenation.Partially hydrogenated oils are the major source of artificial trans fats in the food supply.rtificial trans fat can be found in many of the same foods as saturated fat, including: 1  Baked goods (cookies, cakes, pies, and crackers). 2  Ready-to-use frostings.