Perfil de ácidos graxos da pele e músculo de Balistes capriscus e Menticirrhus litoralis, pescados na região sul do Brasil

• Autor(a) principal: Bastos, Ademir Larrea
• Data de Publicação: 2006
• Outros Autores: Baisch, Ana Luiza Muccillo, Clementin, Rosilene Maria, Soares, Leonor Almeida de Souza, Furlong, Eliana Badiale
• Tipo de documento: Artigo
• Idioma: por
• Título da fonte: Repositório Institucional da FURG (RI FURG)
• Texto Completo: http://repositorio.furg.br/handle/1/121
• topic: Balistes capriscus; Menticirrhus littoralis; Ácidos graxos poliinsaturados; Músculo; Pele; Óleo de pescado; Fatty acids; Muscle; Skin

The fatty acids profile was determined in skin and muscle from two species of marine fishes, Balistes capriscus e Menticirrhus littoralis, consumed by population in Rio Grande, Rio Grande do Sul State. These fishes were chosen due to the benefic effects of their skin, used as infused tea for asthma treatment. Fishes samples were collected in public market and fish industries located in Rio Grande city and the fish skin was separated from the muscle. The lipid fractions were extracted following Bligh and Dyer methodology, and then esterified, identified , and quantified by means of gas chromatography technique. The main fatty acids found in both muscle and skin portions of these fish species were dihomo linoleic acid (20:3n-6;DHA) and eicosapenthenoic acid (20:5n-3; EPA), being 21.3% and 39% in both portions of Balistes capriscus, and 12.8% and 24.2% in Menticirrhus littoralis. Poliunsatured fatty acid was equivalent to the quantity from 54,6% to 67.6% of the total lipids, except Menticirrhus littoralis skin, wherein the main fatty acids were monoinsatured. The ratio of EPA to DHA values were always higher than 2, in both muscle and skin portions of the studied fishes.