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Journals / Artvin Çoruh Üniversitesi Orman Fakültesi Dergisi / 2025 / Cilt: 26 Sayı: 2

Essential Oil Composition of Oleaster (Elaeagnus Angustifolia L.) Flowers and Comparative Assessment of Metabolic and Antioxidant Potential of Flower and Leaf Extracts

İğde (Elaeagnus angustifolia L.) Çiçeklerinin Uçucu Yağ Bileşimi ve Çiçek ve Yaprak Ekstraktlarının Metabolik ve Antioksidan Potansiyelinin Karşılaştırılması

Fatih Tonguç(ISPARTA UYGULAMALI BİLİMLER ÜNİVERSİTESİ)0000-0002-0820-4820
Ümit Erdoğan(Isparta University of Applied Sciences, Rose and Aromatic Plants Application and Research Center)0000-0002-6627-4472
Sercan Önder(ISPARTA UYGULAMALI BİLİMLER ÜNİVERSİTESİ, ZİRAAT FAKÜLTESİ, TARIMSAL BİYOTEKNOLOJİ BÖLÜMÜ)0000-0002-8065-288X
Muhammet Tonguç(ISPARTA UYGULAMALI BİLİMLER ÜNİVERSİTESİ, ZİRAAT FAKÜLTESİ, TARIMSAL BİYOTEKNOLOJİ BÖLÜMÜ)0000-0003-1292-2910
Pages
402–409
Publication Date
2025-10-15
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

These results suggest that oleaster flowers are a good source of ethyl-cinnamate and phenolic compounds.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:The oleaster tree (Elaeagnus angustifolia L.) has different uses and is cultivated for fruit production, afforestation, landscape, as well as for food and medicinal purposes.
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Key Findings & Data:Oil yield of flowers was low (0.1%), 15 compounds were identified in flower oils, and the main volatile compounds were ethyl-cinnamate (93.87%) and ethyl phenylacetate (1.76%).
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Conclusion & Impact:These results suggest that oleaster flowers are a good source of ethyl-cinnamate and phenolic compounds.
🔬Design:Araştırma Makalesi
📍Scope:Comprehensive Sample
⚙️Variables:Esansiyel yağ · İğde · İkincil metabolitler

Abstract

The oleaster tree (Elaeagnus angustifolia L.) has different uses and is cultivated for fruit production, afforestation, landscape, as well as for food and medicinal purposes. The present study was conducted to identify volatile compounds of flowers and assess total phenolic, flavonoid, carotenoid and chlorophyll content of flowers and leaves and their antioxidant potentials. Oil yield of flowers was low (0.1%), 15 compounds were identified in flower oils, and the main volatile compounds were ethyl-cinnamate (93.87%) and ethyl phenylacetate (1.76%). The others were belong to six chemical class and accounted for less than 5% of oil. Total phenolic content of flowers was higher than that of leaves, but total flavonoid, carotenoid and chlorophyll content was higher in leaves. However, the antioxidant capacity measured by CUPRAC (67.49 vs 53.25 µmoL TE-1) and the radical scavenging activity measured by DPPH (22.30 vs 7.57 µmoL TE-1) were higher in flower extracts than the leaf extracts. These results suggest that oleaster flowers are a good source of ethyl-cinnamate and phenolic compounds.

Özet

İğde ağacı (Elaeagnus angustifolia L.) farklı kullanım alanlarına sahiptir ve meyve üretimi, ağaçlandırma, peyzaj ve bunlara ilave olarak gıda ve ilaç sanayisinde de kullanılmaktadır. Mevcut çalışma iğde çiçeklerinin uçucu bileşenlerini, çiçek ve yaprakların toplam fenolik, flavonoid, karotenoid ve klorofil içeriği ile antioksidan potansiyellerini belirlemek amacıyla yapılmıştır. İğde çiçeklerinin uçucu yağ verimi düşük (%0.1) bulunurken, yağda toplam 15 uçucu bileşik tespit edilmiş ve ana uçucu bileşenlerin etil-sinnamat (%93.87) ve etil fenilasetat (%1.76) olduğu belirlenmiştir. Diğer bileşikler altı kimyasal sınıfa ait olup uçucu yağın %5'inden azını oluşturmaktadır. Çiçeklerdeki toplam fenolik madde içeriği yapraklara göre daha yüksek olurken; flavonoid, karotenoid ve klorofil içerikleri ise yapraklarda daha yüksek olmuştur. Bununla birlikte, CUPRAC yöntemi ile ölçülen antioksidan kapasite (67.49-53.25 µmoL TE-1) ve DPPH yöntemi ile ölçülen radikal temizleme aktivitesi (22.30 - 7.57 µmoL TE-1) çiçeklerde yapraklardakine göre daha yüksek çıkmıştır. Elde edilen bu sonuçlar iğde çiçeklerinin etil-sinnamat ve toplam fenolik bileşen içeriği bakımından iyi bir kaynak olabileceğini göstermektedir.

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Cite This Article

Tonguç, F., Erdoğan, Ü., Önder, S., Tonguç, M. (2025). Essential Oil Composition of Oleaster (Elaeagnus Angustifolia L.) Flowers and Comparative Assessment of Metabolic and Antioxidant Potential of Flower and Leaf Extracts. Artvin Çoruh Üniversitesi Orman Fakültesi Dergisi, Cilt: 26 Sayı: 2, 402–409. https://doi.org/10.17474/artvinofd.1685920

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