Lipids are not synonymous with fats. Fats mainly refer to energy-storage lipids such as triacylglycerols, whereas lipids comprise a much broader range of structural classes, including fatty acids, glycerophospholipids, sphingolipids, and sterol lipids. Different lipids participate not only in ...
Fatty acids (FAs) are long-chain carbon compounds bearing a carboxyl group (–COOH)—the “building blocks” of the lipid world. They can exist as free fatty acids (FFAs), and they are also commonly “assembled” into more complex lipid structures such as triacylglycerols (TAGs), phospholipids, and ...