Compositional characteristics of the essential oil of Pimpinella anisum and Foeniculum vulgare grown in Serbia
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The essential oils obtained by hydrodistillation from the mature fruits of Pimpinella anisum and Foeniculum vulgare were analyzed by GC-MS. The oil of aniseed was characterized by higher amounts of trans-anethole (96.80%) than fennel essential oil (83.43%). The isomer of trans-anethole, methyl chavicol (estragol) was also present in both plants, with 1.36% in fennel and 0.19% in aniseed. Apart from these two phenylpropanoids, nine sesquiterpenes and one monoterpene were present in essential oil of Pimpinella anisum, which constituted the other 3.01% of essential oil, but only γ-himachalene was present with more than 1%. In the case of fennel, eight monoterpenes constituted the other 15.21% of essential oil, and limonene and fenchone were present with contributions of 9.34 and 4.58%, respectively. © 2015 Institute of Botany and Botanical Garden Jevremovac, Belgrade.