Abstract
Selinum tenuifolium is an important species of family Apiaceae. Aerial parts of the plant were collected at flowering stage from naturally growing population of Niti, Chamoli (Uttarakhand), North- Western Himalaya, India. Air dried aerial parts were used to extract essential oil using Clevenger-type apparatus for 4 h and analyzed. Thirty seven compounds were identified using GC-FID and GC-MS analysis. Major constituent of essential oil was α-bisabolol (71.80 %), whereas, other constituents were farnesol (3.56 %), germacrene D (2.39 %), citronellyl propanoate (2.35 %), α-bisabolol oxide B (2.26 %), sabinene (2.00 %), β-farnesene (1.53 %), limonene (1.21 %) etc. Chemical composition of essential oil is described and compared with earlier studies. This population is categorized as new chemotype of Selinum tenuifolium. α-Bisabolol being as major constituent, this chemotype may be useful for industrial exploitation as well as chemotaxonomic characterization.
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