The science of food; the nutrients and the substances therein.
A waxy lipid found in all body cells; It has a structure containing multiple chemical rings (steroid structure). It is found only in foods that contain animal products.
A compound containing carbon, hydrogen, and oxygen atoms; most are know as sugars, starches, and fibers. Supplies 4 kcal/gram.
Food and body components made of amino acids; contains carbon, hydrogen, oxygen, nitrogen, and sometimes other atoms, in a specific configuration. Contains the form of nitrogen most easily used by the body. Supplies 4 kcal/gram.
A compound composed of much carbon and hydrogen, little oxygen, and sometimes other elements. Dissolves in either benzene, but not in water, and include fats, oils and cholesterol.
Elements used in the body to promote chemical reactions and to form body structures.
The universal solvent of life.
Define: Kilocalorie (kcal)
The heat energy needed to raise the temperature of 1000 grams of water by 1 degree Celsius; Also written as a Calories with a capital C.
A nutrient needed in gram quantities in the diet. Fat, protein, and carbohydrates.