Abstract
Abstract
Phytochemical analyses of GEIGERIA ALATA (Benth. & Hook.) and FRANCOEURIA CRISPA (Forssk., Cas.) (Asteraceae) essential oils were performed. G. ALATA oil showed moderate IN VITRO cytotoxicity (IC
50
, µg/ml against tumor cells; P388: 2.0, A-549:2.5 and HT-29: 5.0), and also showed weak anti-HIV activity. S-Carvotanacetone, the major component of F. CRISPA oil (93.0%), was isolated and its structure was elucidated by 2D-NMR analysis.