The major components present were ar-turmerone (25.3%), -turmerone (18.3%), -turmerone (12.5%), -caryophyllene (2.26%), eucalyptol (1.60%) and -phellandrene (0.42%). The turmeric oil obtained by supercritical fluid extraction under optimized conditions has been reported to yield a high amount of ar-turmerone, -turmerone and -turmerone (Manzanet al., 2003).