Chemical Composition of the Leaf Essential Oil of Cordia leucocephala Moric from Northeast of Brazil

The essential oil form leaves of Cordia leucocephala Moric (Boraginaceae) from northeast of Brazil was obtained by hydrodistillation and subsequently analyzed by GC/MS and GA/FID. Twenty-one constituents, representing 98.4% of the oil were identified. The oil was characterized by high percentages of sesquiterpenes (92.7%) with beta-caryophyllene (39.0%) and bieyelogermacrene (25.9%) as the main constiuents. This is the first report on the chemical composition of the essential oil form G. leucocephala.