Seasonal and sexual variations of fatty acid composition in fillet of Capoeta erhani

Yılmaz Emre, Kazım Uysal, Faruk Pak, Nesrin Emre, Mustafa Kavasoğlu

Abstract

The lowest lipid levels of Capoeta erhani observed in winter and vice versa in summer. The fatty acid composition of the fillets was significantly different among seasons (P<0.05), while the variations among sexes were not at the same degrees (P>0.05). The ratios of the unsaturated fatty acids (UFAs) were higher than half of the total fatty acids among all seasons. The level of PUFA was highest in autumn (25.91%), and lowest in summer (22.11%). Among seasons and sexes, the levels of total n3 PUFAs in total fatty acids changed from 15.43% to 21.89% and n6 PUFAs from 3.8% to 7.97%, respectively. The level of n3 PUFAs was present in excess that of the n6 PUFAs. The ratios of the n3 PUFAs to n6 PUFAs in the fillets of C. erhani were highest in autumn for both sexes and remarkably influenced by seasons.

Keywords

Fatty acid, Nutritional value, Season, Sex.

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