Rose oil Rose oil Rose oil (rose otto, attar of rose, attar of roses or rose essence) is the essential oil extracted from the petals of various types of rose. "Rose ottos" are extracted through steam distillation, while "rose absolutes" are obtained through solvent extraction, the absolute being used more commonly in perfumery. Even with their high price and the advent of organic synthesis, rose oils are still perhaps the most widely used essential oil in perfumery. Two major species of rose are cultivated for the production of rose oil: The most common chemical compounds present in rose oil are: The key
Bergamot essential oil generally recognized as safe for human consumption by the Food and Drug Administration. For example, Earl Grey tea is a type of black tea that contains bergamot essential oil as a flavoring. A clear liquid (sometimes there is a deposit consisting of waxes) in color from green to greenish yellow, bergamot essential oil consists of a volatile fraction (average 95%) and a non-volatile fraction (5% or residual). Chemically, it is a complex mixture of many classes of organic substances, particularly in the volatile fraction, including terpenes, esters, alcohols and aldehydes, and for the non-volatile fraction, oxygenated heterocyclic compounds as coumarins