title: Content of volatile substances in water-ethanol extracts of Achillea millefolium L. and Achillea collina J. Becker ex Rchb.
abstract: Comparative analysis of volatile substances from water-ethanol extracts of two species of Achillea L. is presented in the article. It has been determined that common substances for the studied extracts were α- and β-pinene, camphor, pinocarvone, cis -sabinen hydrate, caryophillene and 1.8-cineole. The chemical composition is mainly represented with bicyclic (34.6% in A . millefolium and 38.6% in A . collina ) and with monocyclic monoterpenes (per 11.1%) and sesquiterpenes (correspondently 14.3 a
journal: Studia Biologica