Essential oil of Amyris balsamifera

The essential oil composition of Amyris balsamifera was investigated by GC-MS. Major constituents were separated by fractional distillation and various chromatographic techniques, and identified by mass, 1H and 13C NMR spectroscopy and/or chemical reactions. The oil consisted of 17.5% sesquiterpene hydrocarbons and 82.5% oxygenated sesquiterpenes. Major compounds were β-sesquiphellandrene, elemol, 10-epi-γ-eudesmol, γ-eudesmol, valerianol,...