Full Length Research Paper
Abstract
Essential oil composition of the leaves and fatty acids from the seeds of Sesbania punicea (rattlebox) were analyzed by gas chromatography (GC) and gas chromatography/mass spectrometry (GC/MS). Forty components (91.35%) of the essential oil were identified with the major compounds: 1,8-cineole (47.58%) and α-pinene (7.30%). The main compounds from thirty seven identified components comprising 89.28% of the seeds (hexane extract) were: linoleic acid (ω-6) (6.08%) and oleic acid (2.65%). The more abundant compounds in hexane extract of the seeds were hydrocarbons (77.32%). Antibacterial activity of ethyl acetate extract from the leaves was also evaluated by disc diffusion method against 8 gr (+/-) bacteria from which, Salmonella parathyphi B was the most sensitive one, even more than chloramphenicol as a standard antibiotic.
Key words: 1,8-Cineole, linoleic acid, Salmonella parathyphi B, Sesbania punicea.
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