Fatty acids, which are part of the structure of fats, differ from each other in their chemical makeup. At room temperature, saturated fatty acids usually form solid fats, whereas polyunsaturated and monounsaturated fatty acids remain as liquid oils. It is important to limit our fat intake since a diet high in fat contributes to obesity, coronary heart disease and other health problems. V itamins and Minerals Vitamins are chemical compounds that yield no energy, but are essential for many physiological functions. Vitamins contribute to energy-yielding chemical reactions in the body and promote growth and development.
Minerals also play an important role in maintaining vital body functions.
Wardlaw Ph.D., Gorden M., Contemporary Nutrition, Mosby Year Book, St. Louis, 1994.