Differentiation of common marketable-size rainbow trouts (Oncorhynchus mykiss) based on nutritional and dietetic traits: a comparative study

作者: Ali Ehsani , Mohammad Sedigh Jasour , Mina Khodayari

DOI: 10.1080/09712119.2013.783483

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摘要: In order to prepare a complementary guideline in nutritional quality for selecting an appropriate market-size rainbow trout, proximate composition, fatty acids' profile and sensory properties of most available trout with three different average weight 225±25 (low weight, LW), 350±30 (medium MW) 480±30 g (high HW) were evaluated. Lipid protein contents showed tendency increase weight. The ratios n−6/n−3 polyunsaturated acids (PUFAs) (1.01–1.59) present study lower than the recommended harmful value PUFAs ratio (4.0 at maximum). general n−3 PUFAs, especially docosahexaenoic acid (DHA) eicosapentaenoic (EPA) levels indicated decrease Also, increasing trends DHA/EPA found. Lower atherogenic index (AI) thrombogenicity (TI) values observed HW MW comparison LW (P<0.05). There was no significant differ...

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