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Registro Completo |
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Biblioteca(s): |
Embrapa Pecuária Sudeste. |
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Data corrente: |
28/06/2013 |
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Data da última atualização: |
10/03/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
DINIZ, G. S.; BARBARINO, E.; OIANO NETO, J.; PACHECO, S.; LOURENÇO, S. O. |
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Afiliação: |
GRACIELA S. DINIZ, Universidade Federal Fluminense; ELISABETE BARBARINO, Universidade Federal Fluminense; JOAO OIANO NETO, CPPSE; SIDNEY PACHECO, CTAA; SERGIO O. LOURENÇO, Universidade Federal Fluminense. |
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Título: |
Gross chemical profile and calculation of nitrogen-to-protein conversion factors for nine species of fishes coastal water of Brazil. |
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Ano de publicação: |
2013 |
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Fonte/Imprenta: |
Latin American Journal of Aquatic Research, v. 41, n. 2, p. 254-264, 2013. |
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DOI: |
10.3856/vol41-issue2-fulltext-5 |
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Idioma: |
Português |
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Conteúdo: |
The amino acid composition and contents of nitrogen, phosphorus, lipid, carbohydrate and protein were determined in muscles of Dactylopterus volitans, Genypterus brasiliensis, Mullus argentinae,Paralichthys patagonicus, Percophis brasiliensis, Pinguipes brasilianus, Rhizoprionodon lalandii, Rhizoprionodon porosus, and Urophycis cirrata. The samples showed low carbohydrate content (<3.5% dry weight in all species) and were rich in protein (>66% dry weight in all species). The percentage of total lipid varied widely among species, and M. argentinae showed the highest concentrations (16%). The percentage of nitrogen and phosphorus was high and similar among species , with overall average values of 13.3% and 1.2%, respectively. The amino acids composition was similar among the animals, with glutamic acid and lisine as the most abundant amino acid and histidine in low concentrations. Among species, the content of proteinaceous nitrogen was high, with an average of 96.8% of the to tal nitrogen. From data of total amino acid and total nitrogen, specific nitrogen-to-protein conversion fact ors were calculated for each species. The nitrogen-to-protein conversion factors ranged from 5.39 to 5.98, with an overall average of 5.71. These findings showed that the traditional conversion factor of 6.25 overestima tes the actual protein content and should be avoided. |
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Palavras-Chave: |
Amino Acid; Element Composition; Nitrogen to Protein Conversion Factors; Protein; Tropical environment. |
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Thesagro: |
Alga marinha; Aminoácido; Proteína. |
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Thesaurus Nal: |
Amino acids; Fish; Macroalgae; Proteins. |
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Categoria do assunto: |
W Química e Física |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/84968/1/PROCI-2013.00049.pdf
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Marc: |
LEADER 02366naa a2200325 a 4500
001 1960839
005 2023-03-10
008 2013 bl uuuu u00u1 u #d
024 7 $a10.3856/vol41-issue2-fulltext-5$2DOI
100 1 $aDINIZ, G. S.
245 $aGross chemical profile and calculation of nitrogen-to-protein conversion factors for nine species of fishes coastal water of Brazil.$h[electronic resource]
260 $c2013
520 $aThe amino acid composition and contents of nitrogen, phosphorus, lipid, carbohydrate and protein were determined in muscles of Dactylopterus volitans, Genypterus brasiliensis, Mullus argentinae,Paralichthys patagonicus, Percophis brasiliensis, Pinguipes brasilianus, Rhizoprionodon lalandii, Rhizoprionodon porosus, and Urophycis cirrata. The samples showed low carbohydrate content (<3.5% dry weight in all species) and were rich in protein (>66% dry weight in all species). The percentage of total lipid varied widely among species, and M. argentinae showed the highest concentrations (16%). The percentage of nitrogen and phosphorus was high and similar among species , with overall average values of 13.3% and 1.2%, respectively. The amino acids composition was similar among the animals, with glutamic acid and lisine as the most abundant amino acid and histidine in low concentrations. Among species, the content of proteinaceous nitrogen was high, with an average of 96.8% of the to tal nitrogen. From data of total amino acid and total nitrogen, specific nitrogen-to-protein conversion fact ors were calculated for each species. The nitrogen-to-protein conversion factors ranged from 5.39 to 5.98, with an overall average of 5.71. These findings showed that the traditional conversion factor of 6.25 overestima tes the actual protein content and should be avoided.
650 $aAmino acids
650 $aFish
650 $aMacroalgae
650 $aProteins
650 $aAlga marinha
650 $aAminoácido
650 $aProteína
653 $aAmino Acid
653 $aElement Composition
653 $aNitrogen to Protein Conversion Factors
653 $aProtein
653 $aTropical environment
700 1 $aBARBARINO, E.
700 1 $aOIANO NETO, J.
700 1 $aPACHECO, S.
700 1 $aLOURENÇO, S. O.
773 $tLatin American Journal of Aquatic Research$gv. 41, n. 2, p. 254-264, 2013.
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Embrapa Pecuária Sudeste (CPPSE) |
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