Hence, the volatile oil of Argentinean A. elegans, harvested in October 1993, has been analysed and E-nerolidol (35.1%),cubenol (3.8%) and -copaene (3.8%) were found as the dominant components (Vila et al., 1997), whereas E-nerolidol (49.6%) andaromadendrene oxide-2 (10.6%) were found as the major compo-nents of Brazilian A. elegans collected in February 2004