CoachA fatty acid is a carboxylic acid with a long unbranched chain, usually of 12 to 22 carbons, saturated or with (Z) double bonds. A triglyceride is the triester of propane-1,2,3-triol (glycerol) with three fatty acids. A phospholipid is a diester of glycerol with two fatty acids whose third position carries a phosphate group bonded to a small polar group.
