Steam distillation of essential oil from fresh leaves of Key lime (Citrus aurantifolia Swingle) gave 0.4% yellow essential oil with distinctive fragrance. Five out of 40 components of the essential oil were identified as the major components with content above 5%, they were geranial (10.3%), limonene (10.2%), neral (8.94%), caryophyllene (5.72%), and citronennal (5.41%). The essential oil was a…