Composition of the essential oils of Tanacetum vulgare L. growing wild in Vilnius district (Lithuania)

The essential oils of the inflorescences and leaves of Tanacetum vulgare L. var. vulgare collected at full flowering in 10 habitats in Vilnius district were investigated. Forty-one constituents were identified. The oils were distributed among four chemotypes. The major constituents of the camphor chemotype (10 samples) were camphor (22.3-41.4%) and 1,8-cineole (10.6-26.4%); the alpha-thujone chemotype (six samples) was found to be dominated by alpha-thujone (25.7-71.5%) and 1,8-cineole (11.3-22.3%); the major constituents of the 1,8-cineole-chemotype (three samples) was dominated by 1,8-cineole (24.5-32.7%) and camphor (8.3-23.8%); the artemisia ketone chemotype (one sample of inflorescences) predominantly featured artemisia ketone (30.5%) and camphor (23.0%). The oil from inflorescences of the above chemotypes contained higher amounts of the first major component and oxygenated monoterpenes (mean 83.6%) than the leaf oils (mean 73.7%). An opposite correlation was noticed for mono- and sesquiterpenes hydrocarbons and oxygenated sesquiterpenes. The oils of the inflorescences and leaves were of the same chemotype in eight habitats, but they contained different amounts of the main components.