of the total weight. The major components were alpha-turmerone (53.4%), beta-turmerone (18.1%) and aromatic-turmerone (6.2%) in fresh rhizome and aromatic-turmerone (9.6%), alpha-santalene (7.8%) and alpha-turmerone (6.5%) in dry rhizome. Mara et al. (2003) reported ar-turmeronol and (Z)-alpha-alantone as the major components in the ethanol extract of turmeric rhizomes (Scheme 1).