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Registros recuperados: 7
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Chemometrics applied to the incorporation of omega-3 in tilapia fillet feed flaxseed flour Ciênc. Tecnol. Aliment.
Nishiyama,Márcia Fernandes; Souza,Aloisio Henrique Pereira de; Gohara,Aline Kirie; Santos,Hevelyse Munise Celestino dos; Oliveira,Carlos Antonio Lopes de; Ribeiro,Ricardo Pereira; Souza,Nilson Evelázio de; Gomes,Sandra Terezinha Marques; Matsushita,Makoto.
This study evaluated the effect of adding flaxseed flour to the diet of Nile tilapia on the fatty acid composition of fillets using chemometrics. A traditional and an experimental diet containing flaxseed flour were used to feed the fish for 60 days. An increase of 18:3 n-3 and 22:6 n-3 and a decrease of 18:2 n-6 were observed in the tilapia fillets fed the experimental diet. There was a reduction in the n-6:n-3 ratio. A period of 45 days of incorporation caused a significant change in tilapia chemical composition. Principal Component Analysis showed that the time periods of 45 and 60 days positively contributed to the total content of n-3, LNA, and DHA, highlighting the effect of omega-3 incorporation in the treatment containing flaxseed flour.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Nile tilapia; Essential fatty acids; Flaxseed flour; Principal component analysis.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612014000300003
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Could a diet enriched with n-3 highly unsaturated fatty acids be considered a promising way to enhance the immune defences and the resistance of Penaeid prawns to environmental stress? ArchiMer
Chim, Liet; Lemaire, Pierrette; Delaporte, Maryse; Le Moullac, Gilles; Galois, Robert; Martin, Jean-louis.
The prawn Penaeus stylirostris (Stimpson), when fed for 28 days with n-3 highly unsaturated fatty acid (HUFA)-enriched feed pellets, demonstrated an enhanced resistance to variations in environmental parameters (a decrease in temperature and salinity over a 4-day period from 28 degreesC to 17 degreesC and from 35 parts per thousand to 10 parts per thousand respectively) and an improvement in their immune defence potential, i.e. increased agglutination titre of plasma and increased respiratory burst of haemocytes.
Tipo: Text Palavras-chave: Immunostimulation; Osmoregulation; Environment; Stress; Essential fatty acids; Crustaceans.
Ano: 2001 URL: http://archimer.ifremer.fr/doc/2001/publication-606.pdf
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Evaluation of microdiets versus live feeds on growth, survival and fatty acid composition of larval haddock (Melanogrammus aeglefinus) ArchiMer
Blair, Tammy; Castell, Fisheries And Oceans Canada; Neil, Steven; D'Abramo, Louis; Cahu, Chantal; Harmon, Paul; Ogunmoye, Kehinde.
Until recently, it was considered impossible to feed newly hatched marine fish species with a compound diet. Substituting a compound diet for live prey was performed several weeks after hatching, depending on the species. Compound diets were well ingested at the early stage but larvae died with a gut full of food, suggesting that larvae were unable to digest the compound diet. The hypothesis was that younger larvae have insufficient digestive enzymes to thrive on compound diets, and that exogenous enzymes, provided from live prey, are necessary for early stages. The organogenesis of marine fish larvae is not completely achieved at hatching and histological studies have revealed that the anatomy of the digestive tract undergoes developmental changes over...
Tipo: Text Palavras-chave: Highly unsaturated fatty acids; Essential fatty acids; Survival; Growth; Artemia; Brachionus plicatilis; Microdiet; Haddock larvae.
Ano: 2003 URL: https://archimer.ifremer.fr/doc/2003/publication-445.pdf
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High levels of vegetable oils in plant protein-rich diets fed to gilthead sea bream (Sparus aurata L.): growth performance, muscle fatty acid profiles and histological alterations of target tissues ArchiMer
Benedito Palos, L; Navarro, J; Sitja Bobadilla, A; Bell, J; Kaushik, Sadasivam; Perez Sanchez, J.
The feasibility of fish oil (FO) replacement by vegetable oils (VO) was investigated in gilthead sea bream (Sparus aurata L.) in a growth trial conducted for the duration of 8 months. Four isolipidic and isoproteic diets rich in plant proteins were Supplemented with L-lysine (0-55%) and soya lecithin (1%). Added oil was either FO (control) or a blend of VO, replacing 33% (33VO diet), 66% (66VO diet) and 100% (VO diet) of FO. No detrimental effects on growth performance were found with the partial FO replacement, but feed intake and growth rates were reduced by about 10% in fish fed the VO diet. The replacement strategy did not damage the intestinal epithelium, and massive accumulation of lipid droplets was not found within enterocytes. All fish showed...
Tipo: Text Palavras-chave: Lipoid liver disease; Soya lecithin; Phospholipids; Essential fatty acids.
Ano: 2008 URL: http://archimer.ifremer.fr/doc/2008/publication-4780.pdf
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Los lípidos, componente indispensable en la dieta para niños OceanDocs
Santana, T.; Camejo, J..
El objetivo de esta reseña fue destacar la importancia que tiene la presencia de las grasas y los aceites vegetales en la dieta para niños. En el trabajo se exponen las características fundamentales de ambos grupos de lípidos. Se compara la grasa láctea y la grasa materna en cuanto a composición, haciendo énfasis en esta última debido a que los alimentos para infantes deben mantener la relación de ácidos grasos esenciales en el mismo orden en que se encuentran en la grasa materna. Se resumen los requerimientos de grasa del niño en distintas etapas de su vida, la composición de los aceites vegetales más utilizados en la elaboración de los alimentos, así como algunos aspectos a tener en cuenta al seleccionar una grasa para utilizar en la alimentación infantil.
Tipo: Journal Contribution Palavras-chave: Milk; Lipids; Acids; Oils; Reviews (literature); Milk fat; Essential fatty acids; Human milk; Vegetable oils.
Ano: 2008 URL: http://hdl.handle.net/1834/5020
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Modulation des paramètres hémocytaires par la nutrition de l'huitre creuse Crassostrea gigas. Implication dans les mortalités estivales ArchiMer
Delaporte, Maryse.
In the context of Pacific oyster C. gigas summer mortality, the present study demonstrated that the reproductive effort reduced not only the energetic parameters (carbohydrates and CEA) but also the immune parameters (concentration, phagocytosis and adhesive capacity of hemocytes). Increasing food supply from 4% to 12% (of oyster dry weight) did not counteract this phenomena as most of the additional energy was dedicated to the gametogenesis processes. However, after the gametogenesis, the 12% diet clearly favored energy storage restoration and hemocyte production. Hemocyte parameters were also modulated by the food quality. Indeed, hemocyte concentration tended to increase 20:5n-3 and/or 20:4n-6 were supplied by micro-algae or artificial diets. When these...
Tipo: Text Palavras-chave: Summer mortalities; Flow cytometer; Immunity; Oxidative burst; Phagocytosis; Biochemical composition hemocyte parameters; Essential fatty acids; Nutrition; Crassostrea gigas; Mortalités estivales; Cytomètre de flux; Immunité; Poussée respiratoire; Phagocytose; Réponses hémocytaires; Composition biochimique; Acides gras essentiels; Nutrition; Crassostrea gigas.
Ano: 2005 URL: http://archimer.ifremer.fr/doc/2005/these-357.pdf
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Prevalent fatty acids in cashew nuts obtained from conventional and organic cultivation in different stages of processing Ciênc. Tecnol. Aliment.
Soares,Denise Josino; Vasconcelos,Pedro Hermano Menezes de; Camelo,André Luiz Melo; Longhinotti,Elisane; Sousa,Paulo Henrique Machado de; Figueiredo,Raimundo Wilane de.
Brazil is one of the three largest producers of fruits in the world, and among those fruit trees, the cashew tree stands out due to the high nutritional and commercial value of its products. During its fruit processing, there are losses in some compounds and few studies address this issue. Over the last decade the conventional system of food production has been substituted for the organic cultivation system, which is a promising alternative source of income given the global demand for healthy food. Therefore, this research aimed to characterize and quantify the prevalent fatty acids found in cashew nuts obtained from conventional and organic cultivation during various stages of processing. The prevalent fatty acids found were palmitic, linoleic, oleic, and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Essential fatty acids; Organic food; Food processing.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612013000200008
Registros recuperados: 7
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