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In this research, aroma profile variation among five population from different parts of  Pimpinella tragium  and its subspecies were evaluated. According to obtained results, the main chemical component of  Pimpinella tragium  Vill. in (Khoy) was germacrene D in seed with amount of (51.80%). In  Pimpinella tragium  Vill. (Ghoshchi), the predominant compound included trans-dictamnol (25.30%) in inflorescence, in addition, in the root part geijerene (26.70%) was the major constituent.  Pimpinella tragium  Vill. (Tabriz-Ahar), in inflorescence sabinine (36.30%), was introduced as the major compound. In the subspecies of  Pimpinella tragium  Vill. (Mazandaran), in inflorescence, sabinine (37.10%) was identified as the major constituent as well. In  Pimpinella tragium  (Alvand-Hamedan) germacrene D (43.5%) was identified in inflorescence as the major compound. In general, it seems that the high value of the essential oil composition within and among  Pimpinella tragium  and subspecies population could provide useful information for conservation and selection of cross-parents in breeding programs.

Aroma profile of the essential oil from different parts of Pimpinella tragium and subspecies population