Experiences with solid CO2 concentration of bergamot cold-pressed essential oil (Citrus bergamia Risso)

Sublimation of solid CO2, selectively removed hydrocarbons from bergamot oil. This result was achieved in a laboratory with very simple equipment. The oil and dry ice were mixed in a cylindrical vessel and the gas stream entrained most of non-oxygenated terpenes. Their behavior is discussed briefly.