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Essential Oil Variability Of Eight Populations Of Tanacetum Polycephalum From Iran

Fatemeh Sefidkon, Valiolah Mozaffarian, Ghasem Najafi

Tanacetum polycephalum from compositae family consist of some subspecies in Iran. In this research, with the aim of phytochemical investigation, the aerial parts of 8 populations of this aromatic plant were collected, from different localities, and three subspecies were characterized. Four populations from Tanacetum polycephalum Schultz-Bip. subsp. argyrophyllum (C.Koch.) Podl., two populations from T.polycephalum Schultz-Bip. subsp. polycephalum and two populations of T.polycephalum Schultz-Bip. subsp. duderanum (Boiss.) Podl. were investigated. Hydro-distilled volatile oils from the aerial parts of eight samples of T.polycephalum, were investigated mainly by a combination of GC and GC/MS. The main components of the essential oils were as follow: T.polycephalum Schultz-Bip. subsp. argyrophyllum: camphor (3.1%- 52.0%), 1,8-cineole (18.2%-36.3%), pinocarvone (0.0%-31.4%), α-pinene (3.2%-9.5%) and p-cymene (0.5%-10.4%). T.polycephalum Schultz-Bip. subsp. polycephalum: camphor (15%-37.3%), 1,8-cineole (7.2%-8.8%), borneol (7.4%-9.4%) and β-thujone (0.7%-7.2%). T.polycephalum Schultz- Bip. subsp. duderanum: α-thujone (11.0%-43.4%), camphor (8.0%-18.8%), β-thujone (3.4%-15.1%) and borneole (8.3%-23.0%). Main components and their percentage varied by ecological parameters.