Dağ Alabalığının (Salmo Opimus) Yağ Asidi Kompozisyonunun Mevsimsel Değişimleri

Yıl 2020, Cilt: 10 Sayı: 1, 1 - 10, 30.06.2020

Özlem Turgay

Öz

Ceyhan Nehri’nin Fırnız ve Törbüzek kollarından yakalanan dağ alabalığının (Salmo opimus) mevsimlere bağlı yağ asidi (YAs) bileşimleri gaz kromatografi ile araştırılmıştır. Analiz sonuçlarına göre palmitik ve oleik asit en baskın yağ asidi olarak tespit edilmiş ve mevsimsel farklar çok anlamlı bulunmuştur (p<0,05). Yağ asidi kompozisyonlarına göre en yüksek ω-3 (∑ω-3 ÇDYAs: %6,2625,44) grubu, daha sonra ω-6 (∑ω-6 ÇDYAs: %5,87-8,24) grubu olduğu gözlenmiştir. Örneklerdeki ω-3/ω-6 oranının %1,06 ile 3,13 arasında olduğu tespit edilmiştir. Dağ alabalığının kas dokusunda toplam ÇDYAs değerinin (esasen n-3 ve n-6 yağ asitlerinin) yaz ve sonbahar döneminde belirgin derecede arttığı gözlenmiştir.

Anahtar Kelimeler

Ceyhan Nehri, Dağ Alabalığı, Salmo Opimus, Yağ Asitleri, Mevsimsel Değişiklik

Seasonal Variation of Fatty Acid Composition of Trout (Salmo opimus)

Öz

The changes of fatty acid (FAs) composition of muscle tissues of trout (Salmo opimus) caught from Fırnız and Törbüzek in the Ceyhan Basin Region were investigated by using GC. Palmitic acid and oleic acid were the most abundant FAs and significant differences (p<0.05) were observed between seasons. The composition of fatty acids showed that ω-3 poly unsaturated fatty acids (∑ω-3 PUFAs: 6.26-25.44%) were highest, followed by ω-6 (∑ω-6 PUFAs: 5.87-8.24%). The ratio of ω-3/ω6 the samples were ranged from 1.06 to 3.13%. This study showed that the level of total PUFAs (mainly n-3 and n-6 fatty acids) increased significantly during the summer and autumn period in the muscle tissue of brown trout. 

Anahtar Kelimeler

Brown Trout, Ceyhan River Basin, Fatty Acids, Seasonal Changes, Salmo Opimus

Kaynakça

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