Glycerol, also known as glycerin or glycerine, is an organic compound composed of three carbon atoms, eight hydrogen atoms, and three hydroxyl groups. It is a colorless, odorless, viscous liquid that is widely used in pharmaceutical formulations and food processing. Olein is a triglyceride derived from glycerol, consisting of a mixture of fatty acids with the general formula C17H33COOH. Olein is a liquid at room temperature and is used in the production of soaps, detergents, and lubricants.