Year 2020, Volume 23 , Issue 1, Pages 127 - 134 2020-02-28

Morphogenetic, Ontogenetic and Diurnal Variability in Content And Constituents of Bitter Fennel (Foeniculum vulgare Miller var. vulgare) Essential Oil
Acı Rezene (Foeniculumvulgare Miller var. vulgare) Uçucu Yağ İçeriği ve Bileşenlerinde Morfogenetik, Ontogenetik ve Diurnal Varyabilite

Muhammed Akif AÇIKGÖZ [1] , Şevket Metin KARA [2]


The objective of this study was to determine morphogenetic, ontogenetic and diurnal variability in content and constituents of bitter fennel essential oil. Essential oils of various plant organs (leaf, root-bulb-stalk, flower and seed) of bitter fennel harvested at pre-, full- and post-flowering stages at different times (9 am, 1 and 5pm) were extracted by hydro distillation and analyzed by gas chromatography and mass spectrometry. Essential oil content differed significantly based on plant organ and growing stage, increasing in the order of leaf < flower <seed, with a nearly seven-fold increase occurring in seed essential oil as compared to that of leaf. Essential oil content increased from 1.68% at pre-flowering to 2.18% at full-flowering but decreased sharply to 0.81% at post-flowering. Trans-anethole was found to be the most prominent compound in all esssential oils, with decreasing order of seed > flower > root-bulb-stalk > leaf essential oil. Alpha-pinene, α–phellandrene, limonene and fenchone were the other major components, varying significantly with plant growth stages and organs. The present study reveals that the content and constituents of essential oil of bitter fennel from Turkey are predominantly dependent on ontogenetical phase and plant organ. 

Bu çalışma acı rezene uçucu yağ içeriği ve bileşenlerinde morfogenetik, ontogenetik ve diurnal varyabilitenin belirlenmesi amacıyla yürütülmüştür. Çiçeklenme öncesi, tam çiçeklenme ve çiçeklenme sonrasında ve günün farklı saatlerinde (09:00, 13:00 ve 17:00) hasat edilen bitki organlarının (yaprak, kök-yumru-sap, çiçek ve tohum) uçucu yağları hidrodistilasyon yoluyla çıkarılarak, gaz kromatografisi ve kütle spektrometresi ile analiz edilmiştir. Yaprak < çiçek < tohum sıralamasıyla artış gösteren uçucu yağ içeriği, bitki organı ve büyüme dönemine bağlı olarak önemli değişiklik göstermiş ve tohumda uçucu yağ içeriği yaprağa göre yaklaşık 7 kat daha fazla olmuştur. Uçucu yağ içeriği çiçeklenme öncesinde %1.68’den tam çiçeklenmede %2.18’e yükselmiş, fakat çiçeklenme sonrasında %0.81’e düşmüştür. Tohum > çiçek > kök-yumru-sap > yaprak sıralamasıyla azalan trans-anetol bütün uçucu yağlarda en önemli komponent olarak belirlenmiştir. Büyüme dönemi ve bitki organına göre değişim gösteren alfa-pinen, alfa-fellandrene, limonene ve fenkon diğer önemli komponenetlerdir. Sunulan bu çalışma, Türkiye orijinli acı rezenenin uçucu yağ içeriği ve bileşenlerinin esas olarak bitki organı ve büyüme dönemine göre belirlendiğini ortaya koymuştur. 

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Primary Language en
Subjects Basic Sciences
Journal Section RESEARCH ARTICLE
Authors

Orcid: 0000-0003-2436-5605
Author: Muhammed Akif AÇIKGÖZ (Primary Author)
Institution: ORDU UNIVERSITY, FACULTY OF AGRICULTURE
Country: Turkey


Orcid: 0000-0001-7755-1394
Author: Şevket Metin KARA

Supporting Institution Bilimsel Araştırma Projeleri Koordinasyon Birimi - Ordu Üniversitesi
Project Number AR-1317
Thanks Authors are highly thankful to Scientific Research Proj¬ects Unit (BAP) of Ordu University for providing sup¬port to this research, as a part of AR-1317 BAP project. This study was presented at The International Conference on Agriculture, Forest, Food Sciences and Technologies (ICAFOF), held in Urgup/Turkey during 15-17 May, 2017.
Dates

Application Date : July 25, 2019
Acceptance Date : October 7, 2019
Publication Date : February 28, 2020

APA AÇIKGÖZ, M , KARA, Ş . (2020). Morphogenetic, Ontogenetic and Diurnal Variability in Content And Constituents of Bitter Fennel (Foeniculum vulgare Miller var. vulgare) Essential Oil. Kahramanmaraş Sütçü İmam Üniversitesi Tarım ve Doğa Dergisi , 23 (1) , 127-134 . DOI: 10.18016/ksutarimdoga.vi.596542