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Turkish Journal of Fisheries and Aquatic Sciences 2013, Vol 13, Num, 4     (Pages: 613-619)

Seasonal Variations of Proximate and Total Fatty Acid Composition of Wild Brown Trout in Munzur River, Tunceli-Turkey

Mehmet Ateş 1 ,Gül Çelik Çakıroğulları 2 ,Mehmet Kocabaş 3 ,Murathan Kayım 4 ,Erkan Can 4 ,Volkan Kızak 4

1 Tunceli University, Faculty of Engineering, Dept. of Bioengineering, 62000, Tunceli, Turkey
2 Ministry of Food, Agriculture and Livestock, National Food Reference Laboratory, Dept. of Dioxin, 06170, Yenimahalle, Ankara, Turkey
3 Karadeniz Technical University, Faculty of Forestry, Dept. of Wildlife Ecology and Management, 61080, Trabzon, Turkey
4 Tunceli University, Fisheries Faculty, 62000, Tunceli, Turkey
DOI : 10.4194/1303-2712-v13_4_06 Viewed : 1242 - Downloaded : 1336 Seasonal variations of proximate composition and fatty acid profiles of wild brown trout (Salmo trutta macrostigma Dumeril, 1858) caught from the Munzur River, Tunceli-Turkey were investigated in this study. It was determined that wild brown trout was high in mono-unsaturated, poly-unsaturated and saturated fatty acids, respectively. C18:1 ω-9 (oleic acid) was the most abundant fatty acid in all seasons ranging from 20.27 to 29.35 %. C22:6 ω-3 (docosahexaenoic acid-DHA), C18:3 ω-3c (cis-linolenic acid), C18:2 ω-6c (linoleic acid), and C20:5 ω-3 (eicosapentaenoic acid-EPA) were found to be predominant fatty acids in PUFAs. As a conclusion, wild brown trout living in Munzur river could be considered as an important protein and ω-3 fatty acid source according to the nutritional quality results evaluated in terms of proximate and fatty acid composition. Keywords : Salmo trutta macrostigma, polyunsaturated fatty acids, nutritional quality