CHEMICAL COMPOSITION AND ANTIMICROBIAL ACTIVITY
OF ESSENTIAL OIL FROM EUPATORIUM TRIPLINERVE VAHL.
AERIAL PARTS
JARIPA BEGUM, MD. NAZRUL ISLAM BHUIYAN* AND TARANNUM TAZNIN
Abstract
The essential oil from aerial parts of Eupatorium triplinerve Vahl. was analyzed by gas
chromatography mass spectroscopy(GC-MS). Thirty compounds representing 98.25% of the oil were
identified. The major components were 2-tert-butyl-1,4-methoxybenzene (74.3%) and b-selinene (8.6%).
The antimicrobial activity of the essential oil was evaluated against ten bacteria (including Gram positive
and Gram negative) and six phytopathogenic fungi. The oil exhibited moderate antibacterial and strong
antifungal activities against all the test pathogens. The highest antibacterial activity was recorded against
Salmonella typhi (23mm) followed by Shigella sonnei (19mm) at a concentration of 20μl/disc. The highest
antifungal activity was recorded against Macrophomina phaseolina (85%) followed by Botrydiplodia theobromae
(84%) which are better in comparison with standard Nystatin.
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