The essential oils of the bark, leaf, root and fruit of Cinnamon were analyzed by capillary GC and GCIMS. The major constituents of Cinnamon fruit oil, were 6and y-cadinene (36.0%) and T-cadinol (7.7%) and 8caryophyllene (5.6%). About 84% of Cinnamon fruit oil comprised sesquiterpenes while other parts of Cinnamon contained less than 9% of this group of compounds. Phenyl propanoids were the major constituents of Cinnamon bark and leaf oils while root oil had monoterpenes as the major constituents (95%).