Essential oil composition of Mentha longifolia L. Hudson. in different parts of Fars and Khorasan Razavi provinces

Mentha longifolia (L.) Hudson. is belongs to Lamiaceae family which has been used as antiseptic, anti inflammation , astringent , tonic, antispasmodic, carminative and calming. The current experiment was aimed to comparision of quality and quantities of plant essential oil in different parts of Fars and Khorasan Razavi provinces. The aerial parts of plant in blooming were collected from ten natural regions in two provinces during summer 2015 . The essential oils were extracted by using water distillation method and were analyzed by GC and GC/MS. Results were showed that the highest essence efficiency of M. longifolia were reported from Chenaran, Mashhad and Kashmar regions in Khorasan province. The highest of 1,8-cineole (36.47%) and mentole (16.3%) were reported from Fasa region, but pulegon with 45,2-49.5% were obtained from Kuvar and Bavanat region, respectively and finaly the highest of piperiton oxide (18.3%) and piperitenone (55.3%) were reported from Kazerun region in Fars province. So in conclusion, the M.longifolia due to the presence of more variation multiple compounds have significant potential for use in domestication and breeding programs.