Moreover, other polyunsaturated fatty acids are essential for the human body, performing many functions such as maintenance of cell membranes and production of prostaglandins (regulators of many body processes, including inflammation and blood clotting). Fats are also needed in the diet as input for fat-soluble vitamins in foods (A, D, E and K) and can be absorbed to regulate cholesterol metabolism ( Pinazo-Durán, Zanón-Moreno, & Vinuesa-Silva, 2008).