constituents of cajanus cajan (l.) millsp., moringa oleifera lam., heliotropium indicum l. and bidens pilosa l. from nigeria. | the essential oils of four plant species from nigeria have been extracted by hydrodistillation and analyzed by gc and gc-ms. the oils of cajanus cajan were comprised of sesquiterpenes (92.5%, 81.2% and 94.3% respectively in the leaves, stem and seeds). the major compounds identified were alpha-himachalene (9.0-11.5%), beta-himachalene (8.0-11.0%), gamma-himachalene (6.9-8.1%), alpha-humulene (7.1-8.7%) and alpha-copaene (4.5-5.6%). however, monoterpenoid compounds (81.8%) dominated the oil of mo ... | 2009 | 19476009 |