Volume 16, Issue 6 (2014)                   JAST 2014, 16(6): 1365-3174 | Back to browse issues page

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Rahimmalek M, Maghsoudi H, Sabzalian M R, Ghasemi Pirbalouti A. Variability of Essential Oil Content and Composition of Different Iranian Fennel (Foeniculum vulgare Mill.) Accessions in Relation to Some Morphological and Climatic Factors. JAST. 16 (6) :1365-3174
URL: http://journals.modares.ac.ir/article-23-11772-en.html
1- Department of Agronomy and Plant Breeding, College of Agriculture, Isfahan University of Technology, Isfahan 84156 83111, Iran
2- b Department of Medicinal Plants, Researches Centre of Medicinal Plants & Ethno-veterinary, Shahrekord Branch, Islamic Azad ‎University, P O Box: ‎‏166, Shahrekord, Iran
Abstract:   (4851 Views)
Fennel (Foeniculum vulgare Mill.) is an industrial medicinal plant with different pharmaceutical and food applications. In this study, the leaf essential oil composition of 12 Iranian accessions of fennel collected from different geographical regions was assessed. The essential oil yield of fennel leaves ranged from 0.65% (Varamin accession) to 2.03% (Tabriz accession). Trans-anethole, fenchone and limonene were highly abundant in all of the examined oils. Trans-anethole ranged from 41.19% in Shiravan to 56.6% in Shiraz accessions and had negative correlation with most of the constituents. According to the major compounds, two chemotypes were defined in which group 1 was considered as the high trans-anethole (> 50%) and group 2 was a high limonene group. The correlation of essential oil yield and trans-anethol with climatic conditions and some morphological characters were also assessed. Higher temperatures and essential oil yield had negative Pearson correlation (r= -0.371), while trans-anethol and high temperature showed positive correlation (r= 0.459) in fennel. Furthermore, the studied accessions had different flowering time and height. The early flowering and dwarf accessions had higher essential oil yield, while the late flowering ones had higher trans-anethol in their leaves.
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Article Type: Research Paper | Subject: Agronomy|Food Science and Technology
Received: 2013/07/1 | Accepted: 2014/02/18 | Published: 2014/11/1

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