ABSTRACT: The composition of essential oil and fatty acids of dry fruits of Tetrapleura tetraptera were analyzed by GC/MS. Forty-four compounds representing 98.5% of the essential oil were characterized. The essential oil was dominated by acetic acid (34.59%), 2-hydroxy-3- butanone (18.25%), butanoic acid (8.35%), 2-methyl butanoic acid (7.58%), 2-methyl butanol (7.45%), butanol (4.30%), 2-methyl butenoic acid (3.65%) and Nerol (3.25%). The fatty acid was dominated by palmitic acid (49.44%), ...