The comparision of essential oil composition from Thymus vulgaris L., Melissa officinalis L. and Achillea millefolium L. in Shahrekord climate condition

In this research, the essential oil composition of Thymus vulgaris L., Melissa officinalis L. and Achillea millefolium L. were evaluated in Shahrekord climate condition. The aerial parts of these plants in full flowering stages were collected in summer 2017 from a research farm of Shahrekord University. The essential oils were extracted by hydro distillation method (clevenger apparatus) and were analyzed by GC and GC/MS. Results were showed that the thymol (33.2%), α-terpinene (18.50%), p-cymene (10.9%) and linalool (5%) were the most components of Thymus vulgaris. Neral (26.3%), geranial (25%), β-caryophyllene (6.9%), geranyl acetate (6.4%) and cis-crysantenol (5.8%) were the most important compound of M. officinalis essential oil and the cis-chrysanthenyl acetate (27.19%), cis-chrysantheol (13.16%), germacren D (7.24%), β-caryophyllene (6.69%) and thymol (6.15%) recorded in Achillea essential oil In conclusion, the results were showed that essential oils of thyme, lemon balm, and yarrow had suitable quality composition in Shahrekord climate conditions.