Oleoresins are semi-solid composed of resin and essential oil or fatty oil. They are obtained by evaporating relevant solvents.
Properties
Processing of oleoresins is conducted on a large scale, especially in China (400,000 tons per year in the 1990s).
Use
Oleoresin capsicum is commonly used as a basis for pepper sprays. There are also uses known in the manufacture of soaps of cosmetics, as well as coloring agents for foods. A well-known pipe thread sealant, Rectorseal #5, is stated to have an "oleoresinous base".
