Compositional analyses and cytotoxic activity of star anise (Illicium verum) essential oils in Vietnam

By means of the gas chromatography-mass spectrometry (GC/MS) method, 21 volatile components have been identified in the essential oils of fruits and the leaves of star anise (Illicium verum Hook. f., Illiciaceae) in Vietnam, in which, essential oil of star anise fruits has 18 components, essential oil of star anise leaves has 16 components, with content have been determined more than 98.60% total compounds of essential oil.