Volatile components of pimpinella tragium vill. from Iran

ABSTRACT

Volatile components of three parts of Pimpinella tragium Vill. [Umbelliferae family] from Iran were investigated qualitatively and quantitatively for the first time. Essential oils were isolated by hydro-distillation from stems plus leaves, inflorescence and seeds of P. tragium individually. The plant materials were collected from Polour [Northeast of Tehran Province]. The yields of the stems plus leaves, inflorescence and seed oils were 0.08%, 0.37% and 1.33%w/w, respectively. Eighteen constituents in the stems plus leaves oil, twenty-six constituents in the inflorescence oil and twenty-three constituents in the seed oil were identified. Major constituents of the stems plus leaves oil were germacrene D [34.7%], germacrene B [18.3%], bornyl acetate [15.8%], beta-caryophyllene [5.6%] and beta-pinene [4.5%]. Major constituents of the inflorescence oil were beta-pinene [23.8%], germacrene B [14.1%], hexadecanol [10.3%], beta-caryophyllene [7.3%], germacrene D [6.2%] and bornyl acetate [4.1%]. Main components of the seed oil were beta-pinene [25.3%], germacrene B [17.8%], sabinene [13.6%], beta-caryophyllene [4.8%] and hexadecanol [4.7%]