Aromatic Plants of Tropical West Africa. VI. α-Oxobisabolene as Main Constituent of the Leaf Essential Oil ofCommiphora africana(A. Rich.) Engl, from Benin

Abstract
The leaf oil of Commiphora africana has been analyzed by GC, GC/MS coupling and 13C-NMR spectroscopy. The two major compounds identified in the oil were α-oxobisabolene (60%) and γ-bisabolene (10%)