مقايسه دو دستگاه دو تقطير بابخار و تاثير آن بر ميزان اسانس و نوع تركيب هاي موجود در گونه بابونه كاذب

Different methods of extraction and environmental factors can effect on essential oils compounds. In this research , flower of Tripleuropermum disciforme (C.A.Mey) Bip. Plant were collected during the flowering period from field medicinal plants of botanical garden of Hamedan province . Then essential oils were obtained by different steam distillation designed apparatus by Jaimand - Rezaee , plan -1 and plan-2. Essential oils content were 0.21% and 0.37% yield respectively. The oil samples were analyzed by capillary GC and GC/MS. The major constituent of the sample (plan-1) were viridiflorene (41.2%), trans- trans- matricaria ester (31.9%),(?-se squiphellandrene (8.8%) and trans- matricaria ester (4.9%) and in plan-2 were trans- trans- matricaria ester (51%) , viridiflorene (13%) and trans-matricaria ester (9.8%) .trans - trans - matricaria ester have medical acitity. Then we could select best apparatus for extraction of this compound from extracted essential oil.