Previously, similar attempt has been made by Perry et al., (2002) and indicated that in in-vitro inhibition of AChE by Salvia lavandulifolia Vahl essential oil and its major monoterpenes, -pinene, 1,8-cineole, and camphor were identified to be the competitive reversible inhibitors of AChE. Besides, linalool and citral were found to be the reversible competitive inhibitors of AChE