Chemical composition of the flower oil of Curcuma pierreana Gagnep. from Vietnam

The flowers of Curcuma pierreana Gagnep., Zingiberaceae, were collected in full bloom in Hue, Vietnam. The essential oil was obtained by hydrodistillation of these flowers. The flower oil was analyzed by a combination of high resolution GC and GC/MS. More than 40 components we[e identified, representing 89% of the oil. The principal constituents were isoborneol (27.3%), camphor (24.1%), isobornyl acetate (7.3%)camphene (6.7%) and a-pinene (5.1%). The oil contained more than 70% of oxygenated compounds, which contributed to its special odor.