Neroli essential oil is extracted from fragrant citrus blossoms of the bitter orange tree (Citrus aurantium amara), which is native to Vietnam but cultivated widely. The fruit is also used to produce liqueurs and marmalade.

Botanical name: Citrus x aurantium subsp. amara

Other names: Orange flower, neroli bigarade

Main constituents: α-pinene, camphene, β-pinene, α-terpinene, nerol, neryl acetate, farnesol, geraniol, linalool, nerolidol, linalyl acetate, methyl anthranilate, indole