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
Negros fruit dove a key feature used in organizing the "Ptilinopus" doves, is unknown. It has been suggested that the Negros fruit dove is either most closely related to the black-naped fruit dove or represents an early colonization of the Philippines by the genus that has left no surviving close relatives. It has no known subspecies and is also known as Ripley's fruit dove. The Negros fruit dove is a small, short-tailed fruit dove. Only the appearance of the adult female is known as the presumed male specimen was lost in the undergrowth. The female is a vivid dark green overall with an