Bergamot essential oil and furanocoumarins. The main compounds in the oil are limonene, linalyl acetate, linalool, γ-terpinene and β-pinene, and in smaller quantities geranial and β-bisabolene. The main non-volatile compounds are coumarins (citropten, 5-geranyloxy-7-methoxycoumarin) and furanocoumarins (bergapten, bergamottin). The bergamot essential oil is particularly subject to adulteration being an essential oil produced in relatively small quantities. Generally adulteration is to "cut" the oil, i.e. adding distilled essences of poor quality and low cost, for example of bitter orange and bergamot mint and/or mixtures of terpenes, natural or synthetic, or "reconstruct" the essence from synthetic chemicals, coloring it with chlorophyll. Worldwide, each year, around
Boy Peeling Fruit (Caravaggio) the "Young Sick Bacchus" and the "Boy with a Basket of Fruit". It is not known how these works came to be in Cesari's collection at the time. The fruit being peeled by the boy is something of a mystery. Sources indicate it may be a pear, which is probably correct but has been questioned; it may be a nectarine or plum, several of which lie on the table, but these are not usually peeled; some have suggested a bergamot, a pear-shaped citrus fruit grown in Italy, but others object that the bergamot is sour and practically inedible. Seen as