Chalchat J.Özcan M.Figueredo G.Chalard P.2020-03-262020-03-2620110236-6495https://dx.doi.org/10.1556/ABot.53.2011.1-2.6https://hdl.handle.net/20.500.12395/27297The essential oils of leaves of Echinophora tenuifolia subsp. sibthorpiana (Apiaceae) growing wild in Middle Anatolia were obtained by hydrodistillation, and analysed by gas chromatography (GC) and gas chromatography-mass spectrometer (GC-MS). The major constituents were affected depend on harvest years. Methyl-eugenol, ?-3-carene and p-cymene were established as the major components of pickling herb leaves collected between 2003 and 2009. The main constituents of leave oil were methyl-eugenol (24.99% to 90.16%), ?-3-carene (2.57% to 34.80%) and p-cymene (1.23% to 9.81%) depending on the harvest years.en10.1556/ABot.53.2011.1-2.6info:eu-repo/semantics/closedAccesscompositionEchinophora tenuifoliaessential oilharvest yearsleafmethyl-eugenolpickling herbThe effect of harvest years on chemical composition of essential oil of pickling herb (Echinophora tenuifolia subsp. Sibthorpiana) leaves used as medicinal plantArticle5301.02.20207377Q2