Hassanali, AhmedMwangi, J. W.Achola, K. J.Lwande, W.2014-02-282014-02-281998East and Central African Journal of Pharmaceutical Sciences Vol.1 No.1http://ir-library.ku.ac.ke/handle/123456789/9138The essential oils isolated by hydrodistillation from Sphaeranthus su av eolens (Forsk) D.C. (0.47%) and S. bullatus Mattf. (0.5%) were analyzed by GC and GC-MS. Seventy eight compounds consisting about 95% of the oil of S. suaveolens were identified while 97 constituents accounting for about 83% were identified from the leaf oil of S. bullatus, The major constituents of the leaf oil of S. sauveolens was cis-pinocamphone (63.5 %) while those of S. bullatus oil were thymol (22.0%), bornyl acetate (8.1%) and germacrene-D (7.9%).enSphaeranthus suaveolens (Forsk) D.C.S. bullatus Mattf.CompositeVolatile constituentsGC-MSCis-PinocamphoneThymolArticle