Petitgrain, derived from the French word "petit grain," meaning "little grain," is an essential oil used in perfumery. It is obtained from the leaves and twigs of various citrus trees, most commonly the bitter orange tree, Citrus aurantium var. Amara. The bitter orange tree is native to Southeast Asia, including regions of India and China. It was later introduced to various other parts of the world, including the Mediterranean region, North Africa, and the Americas. Ours is sourced from Italy where it is believed to have been introduced during the Arab occupation of Sicily in the 9th century.
Today, the bitter orange tree is widely cultivated in many tropical and subtropical regions around the world, particularly for its fruits (bitter oranges), which are used for their zest and essential oils, and for ornamental purposes. The leaves and twigs of the tree are utilized to produce petitgrain essential oil, which is prized for its fresh, woody, and slightly floral aroma.