Bergamot orange their similar aroma. "Citrus bergamia" has also been classified as "Citrus aurantium" subsp. "bergamia" (i.e. a subspecies of bitter orange). "Citrus bergamia" is sometimes confused with (but is not the same as): Production is mostly limited to the Ionian Sea coastal areas of the province of Reggio di Calabria in Italy, to such an extent that it is a symbol of the entire city. Most of the bergamot comes from a short stretch of land there, where the temperature is favourable. The fruit is also produced in Argentina, Brazil, Algeria, the Ivory Coast, Morocco, Tunisia, Turkey, and South-East Asia where
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