Chemical components of essential oil from Rosmarinus officinalis L. growing in Guizhou

The essential oil from Rosmarinus officinalis L. collected in Dushan, Guizhou Province was analyzed qualitatively and quantitatively by GC-MS, and 29 compounds were identified. The main compounds are α-Pinene, Camphene, α-Phellandrene, β-Phellandrene, 1,8-Cineole, Camphor, Borneol,Bornyl acetate,β-Caryophylene, α-Caryophylene.