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Registro Completo |
Biblioteca(s): |
Embrapa Gado de Leite. |
Data corrente: |
01/02/2016 |
Data da última atualização: |
01/02/2024 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
CASTRO, R. de J. C.; SOUZA SOBRINHO, F. de; GAMA, M. A. S. da; SATO, R. T.; LIMA, L. L.; OLIVEIRA, M. A. L. de. |
Afiliação: |
Renata de Jesus Coelho Castro, UFJF; FAUSTO DE SOUZA SOBRINHO, CNPGL; MARCO ANTONIO SUNDFELD DA GAMA, CNPGL; Renata Takabayashi Sato, UFJF; Larissa Lavorato Lima, UFJF; Marcone Augusto Leal de Oliveira, UFJF. |
Título: |
A Rapid Method for Determination of the Main Conjugated Linoleic Acid Precursors (C18:2 n-6 and C18:3 n-3) in Forage by Capillary Zone Electrophoresis with Ultraviolet Detection Using Gas Chromatography with Flame Ionization Detection as a Comparative Method. |
Ano de publicação: |
2015 |
Fonte/Imprenta: |
Journal of AOAC International, v. 98, n. 6, p. 1591-1597, 2015. |
Idioma: |
Inglês |
Conteúdo: |
Abstract: A rapid method has been proposed for determination of the main conjugated linoleic acid precursors such as linoleic (C18:2 n-6) and linolenic (C18:3 n-3) acids in forages by capillary zone electrophoresis (CZE) with direct UV detection at 200 nm. Among the fatty acids found in forages, C18:2 n-6 and C18:3 n-3 have received particular attention due to their roles as precursors for the synthesis of conjugated linoleic acid, a class of health-enhancing compounds that is predominantly found in dairy products. The electrolyte background consisted of 12.0 mmol/L tetraborate buffer (pH 9.2) added to 12.0 mmol/L Brij 35(®), 17% acetonitrile, and 33% methanol. Under the optimized conditions, the baseline separation of C18:2 n-6 and C18:3 n-3 was achieved within 4 min. The CZE-UV method was compared to GC with a flame ionization detector, which is the American Oil Chemists' Society (AOCS 996.06) official method for fatty acid analysis. The methods did not show any evidence of significant differences within 95% confidence interval (P > 0.05). The CZE-UV method was successfully applied to the analysis of 80 genotypes of Brachiaria ruzizienses clones submitted to a genetic improvement program in agricultural research. |
Palavras-Chave: |
CLA; CZE-UV method; Fatty acids in forages. |
Thesaurus Nal: |
conjugated linoleic acid. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
Marc: |
LEADER 02109naa a2200229 a 4500 001 2035820 005 2024-02-01 008 2015 bl uuuu u00u1 u #d 100 1 $aCASTRO, R. de J. C. 245 $aA Rapid Method for Determination of the Main Conjugated Linoleic Acid Precursors (C18$b2 n-6 and C18:3 n-3) in Forage by Capillary Zone Electrophoresis with Ultraviolet Detection Using Gas Chromatography with Flame Ionization Detection as a Comparative Method.$h[electronic resource] 260 $c2015 520 $aAbstract: A rapid method has been proposed for determination of the main conjugated linoleic acid precursors such as linoleic (C18:2 n-6) and linolenic (C18:3 n-3) acids in forages by capillary zone electrophoresis (CZE) with direct UV detection at 200 nm. Among the fatty acids found in forages, C18:2 n-6 and C18:3 n-3 have received particular attention due to their roles as precursors for the synthesis of conjugated linoleic acid, a class of health-enhancing compounds that is predominantly found in dairy products. The electrolyte background consisted of 12.0 mmol/L tetraborate buffer (pH 9.2) added to 12.0 mmol/L Brij 35(®), 17% acetonitrile, and 33% methanol. Under the optimized conditions, the baseline separation of C18:2 n-6 and C18:3 n-3 was achieved within 4 min. The CZE-UV method was compared to GC with a flame ionization detector, which is the American Oil Chemists' Society (AOCS 996.06) official method for fatty acid analysis. The methods did not show any evidence of significant differences within 95% confidence interval (P > 0.05). The CZE-UV method was successfully applied to the analysis of 80 genotypes of Brachiaria ruzizienses clones submitted to a genetic improvement program in agricultural research. 650 $aconjugated linoleic acid 653 $aCLA 653 $aCZE-UV method 653 $aFatty acids in forages 700 1 $aSOUZA SOBRINHO, F. de 700 1 $aGAMA, M. A. S. da 700 1 $aSATO, R. T. 700 1 $aLIMA, L. L. 700 1 $aOLIVEIRA, M. A. L. de 773 $tJournal of AOAC International$gv. 98, n. 6, p. 1591-1597, 2015.
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1. | | CANIATO, F. F.; GUIMARAES, C. T.; SCHAFFERT, R. E.; KOCHIAN, L. V.; MAGALHAES, J. V. D. Association mapping for aluminum tolerance in candidate regions of the Altsb locus in sorghum. In: CONGRESSO BRASILEIRO DE GENÉTICA, 55., 2009, Águas de Lindóia, SP. Resumos... Ribeirão Preto: Sociedade Brasileira de Genética, 2009. p. 150.Tipo: Resumo em Anais de Congresso |
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