ABSTRACT

Lipids, including oils and fats, are a chemically diverse group of compounds that are insoluble in water and have a variety of functions. Oils and fats are the principal stored forms of energy in many organisms, with phospholipids and sterols making up approximately half the mass of bio­ logical membranes. Other crucial lipids are enzyme cofactors, electron carriers, light-absorbing pigments, hydrophobic anchers, emulsifying agents, hormones, and intracellular messengers (1).