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 | Acesso ao texto completo restrito à biblioteca da Embrapa Agroindústria de Alimentos. Para informações adicionais entre em contato com ctaa.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Agroindústria de Alimentos; Embrapa Gado de Leite. |
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Data corrente: |
10/07/2017 |
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Data da última atualização: |
09/04/2024 |
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Tipo da produção científica: |
Nota Técnica/Nota Científica |
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Autoria: |
GAMA, M. A. S. da; BARBOSA FILHO, H. G.; BIZZO, H. R.; ANTONIASSI, R. |
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Afiliação: |
MARCO ANTONIO SUNDFELD DA GAMA, CNPGL; HERNANI GUILHERME BARBOSA FILHO, CNPGL; HUMBERTO RIBEIRO BIZZO, CTAA; ROSEMAR ANTONIASSI, CTAA. |
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Título: |
Analytical shortcomings and other considerations related to the identification of biomarkers of dairy fat intake. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
European Journal of Clinical Nutrition, v. 71, n. 8, p. 1022-1023, 2017. |
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DOI: |
https://doi.org/10.1038/ejcn.2017.107 |
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Idioma: |
Inglês |
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Conteúdo: |
Over the last decade, the concentrations of certain odd-chain saturated fatty acids (for example, C15:0 and C17:0) and trans-palmitoleic acid (trans-9 C16:1) in plasma and erythrocytes have been proposed as biomarkers of dairy fat intake,1, 2, 3 which is expected to overcome major issues associated with dietary assessment methods that rely on self-report, such as food frequency questionnaires. However, some overlooked analytical issues may have resulted in misidentification or even precluded other candidate biomarkers of dairy fat intake from being identified in several previous studies. The separation of fatty acids in biological and foods matrices is usually performed by gas chromatography after lipid extraction and methylation/transesterification using either acid or alkali-catalysis. Fatty acid methyl esters (FAME) are routinely identified by retention time comparisons with authentic commercial standards using a gas chromatograph equipped with a flame ionization detector (GC-FID). |
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Palavras-Chave: |
CLA; Fat acids. |
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Thesaurus Nal: |
nutrition. |
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Categoria do assunto: |
Q Alimentos e Nutrição Humana
X Pesquisa, Tecnologia e Engenharia |
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Marc: |
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024 7 $ahttps://doi.org/10.1038/ejcn.2017.107$2DOI
100 1 $aGAMA, M. A. S. da
245 $aAnalytical shortcomings and other considerations related to the identification of biomarkers of dairy fat intake.$h[electronic resource]
260 $c2017
520 $aOver the last decade, the concentrations of certain odd-chain saturated fatty acids (for example, C15:0 and C17:0) and trans-palmitoleic acid (trans-9 C16:1) in plasma and erythrocytes have been proposed as biomarkers of dairy fat intake,1, 2, 3 which is expected to overcome major issues associated with dietary assessment methods that rely on self-report, such as food frequency questionnaires. However, some overlooked analytical issues may have resulted in misidentification or even precluded other candidate biomarkers of dairy fat intake from being identified in several previous studies. The separation of fatty acids in biological and foods matrices is usually performed by gas chromatography after lipid extraction and methylation/transesterification using either acid or alkali-catalysis. Fatty acid methyl esters (FAME) are routinely identified by retention time comparisons with authentic commercial standards using a gas chromatograph equipped with a flame ionization detector (GC-FID).
650 $anutrition
653 $aCLA
653 $aFat acids
700 1 $aBARBOSA FILHO, H. G.
700 1 $aBIZZO, H. R.
700 1 $aANTONIASSI, R.
773 $tEuropean Journal of Clinical Nutrition$gv. 71, n. 8, p. 1022-1023, 2017.
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Embrapa Gado de Leite (CNPGL) |
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