Comparison of the Fatty Acid Composition of Different Tissues in Mature Trout (Salmo trutta macrostigma, Dumeril, 1858) in Yeşildere Creek in the Karasu Basin

Authors: N. MEVLÜT ARAS, H. İBRAHİM HALİLOĞLU, ABDULKADİR BAYIR, MUHAMMED ATAMANALP, A. NECDET SİRKECİOĞLU

Abstract: In this research the fatty acid composition of different tissues of mature trout caught from Yeşildere creek in the Fırat region were investigated. In the adipose, gonad, liver and muscle tissues, the differences among the percentages of monounsaturated fatty acids (MUFA), polyunsaturated fatty acids (n-3, n-6 PUFA) and the eicosapentaenoic acid (EPA)/decosahexaenoic acid (DHA) ratio were statistically significant (P < 0.01). However, the differences in the saturated fatty acids (SFA) of tissues were not distinctive. The most important fatty acids were palmitic (16:0), stearic (18:0) and miristic (14:0) in SFA and 18:1 n-9 and 16:1 n-7 in MUFA. The ratio of n3/n6, known as characteristic agents of marine fish, was as high as in marine fish but the differences among the tissues were not significant.

Keywords: Fatty acids, tissue, Salmo trutta macrostigma

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