Formulation of fish waste meal for human nutrition/Elaboracao de farinhas de residuos do beneficiamento de peixes para alimentacao humana

This study aimed to elaborate and characterize meals containing waste from processing of tilapia, tuna, salmon and sardine for human consumption. Carcasses of tilapia and salmon, tuna torsos without fins and sardine tails were cooked, pressed, milled and dehydrated, resulting in waste meal. Greater...

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Published in:Acta scientiarum. Technology Vol. 39; no. SI; p. 525
Main Authors: de Souza, Maria Luiza Rodrigues, Yoshida, Grazyella Massako, Campelo, Daniel Abreu Vasconcelos, de Moura, Lorena Batista, Xavier, Tadeu Orlandi, Goes, Elenice Souza dos Reis
Format: Journal Article
Language:English
Published: Universidade Estadual de Maringa 01-12-2017
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Summary:This study aimed to elaborate and characterize meals containing waste from processing of tilapia, tuna, salmon and sardine for human consumption. Carcasses of tilapia and salmon, tuna torsos without fins and sardine tails were cooked, pressed, milled and dehydrated, resulting in waste meal. Greater protein (83.28%) and lower mineral matter (5.31%) were observed in tuna meal. Salmon meal presented greater content of lipids (18.81%) and sardine meal, lower content (3.98%). Tilapia meal presented greater mineral matter (37.66%), calcium (9.37%) and phosphorus (6.08%). Higher content of iron was observed in sardine and tuna meals. Higher amounts of fatty acids from n-3 series were found in salmon (53.71 g [kg.sup.-1]), sardine (47.46 g [kg.sup.-1]) and tuna (36.98 g [kg.sup.-1]). Concerning amino acids, glutamic acid showed greater proportion in all meals, followed by lysine, leucine, glycine and aspartic acid. All meals presented high biological and nutritional values and are regarded as important sources of calcium, phosphorus and iron. Keywords: waste reuse, Nile tilapia, salmon, tuna, sardine. Este estudo objetivou elaborar e caracterizar farinhas de residuos do beneficiamento da tilapia, atum, salmao e sardinha para consumo humano. Carcacas de tilapia e salmao, troncos de atum sem nadadeiras e caudas de sardinha foram cozidas, prensadas, moidas e desidratadas, resultando nas farinhas. Maior proteina (83,28%) e menor materia mineral (5,31%) foram observados na farinha de atum. Farinha de salmao apresentou maior teor de lipideos (18,81%) e a de sardinha, menor teor (3,98%). Farinha de tilapia apresentou maior materia mineral (37,66%), calcio (9,37%) e fosforo (6,08%). Observou-se maior teor de ferro nas farinhas de sardinha e atum (121,95 e 106,38 mg [kg.sup.-1]). Maiores quantidades de acidos graxos da serie n-3 foram encontradas nas farinhas de salmao (53,71 g [kg.sup.-1]), sardinha (47,46 g [kg.sup.-1]) e atum (36,98 g [kg.sup.-1]). No perfil de aminoacidos, o acido glutamico apareceu em maior proporcao em todas as farinhas, seguido pela lisina, leucina, glicina e acido aspartico. Todas as farinhas apresentaram alto valor biologico e nutricional, sendo boa fonte de calcio, fosforo e ferro. Palavras-chave: aproveitamento de residuos, tilapia-do-Nilo, salmao, atum, sardinha.
ISSN:1806-2563
DOI:10.4025/actascitechnol.v39i0.29723