Réunion (France) · Food / Tobacco / Drink Processing (essential-oil distillation)
Géranium Bourbon (the specific controlled-designation-of-origin essential oil product)
The wood-fire steam distillation of rose geranium leaves and stems into Géranium Bourbon, a controlled-designation-of-origin essential oil produced exclusively on Réunion island since the plant's introduction around 1870. Cultivation and distillation technique were specifically improved by a farmer named Boisjoly Poitier of the Plaine des Cafres region, whose refinements positioned geranium oil extraction as a viable economic alternative for the island precisely as mainland France began shifting sugar production toward beet sugar, threatening Réunion's traditional sugarcane-based economy. To obtain a single half-liter of Géranium Bourbon essential oil, approximately 400 kilograms of geranium leaves and stems must be distilled inside a still heated with wood fire -- a substantial, precisely quantified raw-material-to-finished-product ratio. The resulting oil carries a controlled designation of origin specific to Réunion, recognized for its notably higher concentration of geraniol, the compound essential to the oil's prized perfume character, distinguishing Géranium Bourbon in international perfumery, pharmaceutical, aromatherapy, cosmetic, and soap-manufacturing markets. Contemporary distilleries, concentrated particularly in the Tampon region and along the mountain route to the Maïdo viewpoint -- including the Maison du géranium, Chez Begue, and the Distillerie du Maïdo -- continue the traditional wood-fired distillation method and offer visitors guided tours explaining the extraction process, sustaining both the craft's technical continuity and its role in Réunion's contemporary tourism economy.
Risk level: Vulnerable · Not independently inscribed
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