IUPAC definition : A loosely defined term for substances of biological origin that are soluble in nonpolar
solvents. They consist of saponifiable lipids, such as glycerides (fats and oils)
and phospholipids, as well as nonsaponifiable lipids, principally steroids.;
A loosely defined term for substances of biological origin that are soluble in nonpolar
solvents. They consist of saponifiable lipids, such as glycerides (fats and oils)
and phospholipids, as well as nonsaponifiable lipids, principally steroids.