Illicium verum

Star anise, a medium-sized evergreen tree native to northeast Vietnam and southeast China

Illicium verum is a medium-sized evergreen tree native to South China and northeast Vietnam. Its star-shaped pericarps harvested just before ripening is a spice that closely resembles anise in flavor. Its primary production country is China, followed by Vietnam and other Southeast Asian countries. Star anise oil is a highly fragrant oil used in cooking, perfumery, soaps, toothpastes, mouthwashes, and skin creams. Until 2012, when they switched to using genetically modified E. coli, Roche Pharmaceuticals used up to 90% of the world's annual star anise crop to produce oseltamivir (Tamiflu) via shikimic acid.

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