Characterization and biological activity of Achillea teretifolia willd. and A. nobilis L. subsp. neilreichii (Kerner) Formanek essential oils

The aerial parts of the endemic Achillea teretifolia Willd. and A. nobilis L. subsp. neilreichii (Kerner) Formanek collected from Beyşehir were investigated for their essential oil compositions and several biological activities. The essential oils were analyzed both by gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS).