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Effect of harvesting time on quality and quantity of essential oil from different organs of Fennel (Foeniculume vulgare Mill.) | ||
| تحقیقات گیاهان دارویی و معطر ایران | ||
| Article 3, Volume 11, Issue 1 - Serial Number 11, February 2002, Pages 11-23 PDF (1.07 M) | ||
| Document Type: Research Paper | ||
| Authors | ||
| M.B. Rezaee; K. Jaimand; A. Majd; M. Maddah | ||
| Academic member of Research Institute of Forests and Rangelands | ||
| Abstract | ||
| Fennel is one of the precious medicinal plant, widely used in pharmacy, perfume, cosmetic, hygienic and food industries. The essential oils extracted by water and steam distilled (Long & Kaiser) method from seeds, flowers,leaves and stems of Fennel (Foeniculum vulgare Mill.) in different vegetative phases was analyzed by GC and GC/MS. Essential oils content in different organs were in seeds (2.5%), in floweres (2.8%).and in leaves and stems before flowering, flowering time and seed maturity time were (1.20%, 1.08%) and (0.42%, 0.47%, 0.26%) respectivly. The major constituents in seeds and flowers were: trans-anethole (68.4%, 84.0%), fenchon (4.6%, 7.7%) , estragol (2.5%, 3.5%), and limonene + 1,8-cineole (19.3%, 3.9%), which percentage of these component in leaves and stems extermly were due to growning stage. This componenets in leaves before flowering and in flowering time were anethole (58.6%, 28.3%), fenchone (2.9%, 2.5%), estragol (1.7% , 1%) and limonene +1,8 cineole (27.1%, 58.5%) and in stems before flowering, flowering time and after the formation of seed were respectivly anethole (78%,44.2%,0.3%), fenchon (2.5%, 1.8%,0.3%), estragol (1.7%, 2.1%, 0.6%) and limonen +1,8 cineole (4.6%, 23.6%, 56.5%).With increasing of leaves and stems age, trans-anethole will decrease and limonene + 1,8-cineole are increased. | ||
| Keywords | ||
| Fennel (Foeniculum vulgare Mill.); Essential oils | ||
| References | ||
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