Essential oil from aerial parts of Vernonia colorata Drake and Vernonia nigritiana Oliver et Hiern. (Asteraceae) growing wild in Mali

Abstract The essential oils from the aerial parts of Vernonia colorata (Willd.) Drake and Vernonia nigritiana Oliver et Hiern. (Asteraceae) grown wild in Mali were obtained by hydrodistillation. 115 components have been identified in the oils that have shown a different composition, both qualitative and quantitative.