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Registro Completo |
Biblioteca(s): |
Embrapa Florestas. |
Data corrente: |
27/06/2005 |
Data da última atualização: |
20/06/2006 |
Autoria: |
AZEVEDO-RAMOS, C.; CARVALHO JUNIOR, O. de; KALIF, K.; MOUTINHO, P. R. S.; ALEIXO, A. |
Título: |
A exploração madeireira e a diversidade animal: impacto da exploração convencional e de baixo impacto na Amazônia Oriental. |
Ano de publicação: |
1999 |
Fonte/Imprenta: |
In: INTERNATIONAL CONGRESS AND EXHIBITION ON FOREST, 5., 1999, Curitiba. Forest 99: [resumos]. Rio de Janeiro: BIOSFERA, 1999. |
Idioma: |
Português |
Notas: |
1 CD-ROM. Autoria bilíngue: CONGRESSO E EXPOSICAO INTERNACIONAL SOBRE FLORESTAS, 5., 1999, Curitiba. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00710naa a2200169 a 4500 001 1310962 005 2006-06-20 008 1999 bl uuuu u00u1 u #d 100 1 $aAZEVEDO-RAMOS, C. 245 $aA exploração madeireira e a diversidade animal$bimpacto da exploração convencional e de baixo impacto na Amazônia Oriental. 260 $c1999 500 $a1 CD-ROM. Autoria bilíngue: CONGRESSO E EXPOSICAO INTERNACIONAL SOBRE FLORESTAS, 5., 1999, Curitiba. 700 1 $aCARVALHO JUNIOR, O. de 700 1 $aKALIF, K. 700 1 $aMOUTINHO, P. R. S. 700 1 $aALEIXO, A. 773 $tIn: INTERNATIONAL CONGRESS AND EXHIBITION ON FOREST, 5., 1999, Curitiba. Forest 99: [resumos]. Rio de Janeiro: BIOSFERA, 1999.
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Registro original: |
Embrapa Florestas (CNPF) |
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Registro Completo
Biblioteca(s): |
Embrapa Gado de Leite. |
Data corrente: |
17/06/2013 |
Data da última atualização: |
05/02/2024 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
B - 1 |
Autoria: |
CASTRO, R. DE J. C.; SOUZA SOBRINHO, F. de; GAMA, M. A. S. da; BARRA, P. M. DE C.; ANTONIASSI, R.; OLIVEIRA, M. A. L. DE. |
Afiliação: |
RENATA DE JESUS COELHO CASTRO, UFJF; FAUSTO DE SOUZA SOBRINHO, CNPGL; MARCO ANTONIO SUNDFELD DA GAMA, CNPGL; PATRICIA M. DE CASTRO BARRA, UFJF; ROSEMAR ANTONIASSI, CTAA; MARCONEI A. L. DE OLIVEIRA, UFJF. |
Título: |
Analysis of the main conjugated linoleic acid (CLA) precursors (C18:2 n-6 and C18:3 n-3) in Brachiaria ruzizienses by capillary zone electrophoresis. |
Ano de publicação: |
2013 |
Fonte/Imprenta: |
Central European Journal of Chemistry, v. 11, n. 8, p. 1286-1296, 2013. |
Páginas: |
p. 1286-1296 |
Idioma: |
Inglês |
Conteúdo: |
An alternative method for extraction optimization of C18:2 n-6 and C18:3 n-3, the main precursors for the synthesis of conjugated linoleic acid (CLA), in Brachiaria ruzizienses forages was proposed. Three methods of lipid extraction were tested: 1. Hara & Radin, 2. Micro Folch and 3. Bligh & Dyer. The preliminary test showed the Hara & Radin method as the most promising procedure. Then, a 33Box Behnken design with triplicate in the central point was applied in Hara & Radin method in order to optimize the extraction procedure. The optimization extraction was monitored by quantification of C18:2 n-6 and C18:3 n-3 through capillary zone electrophoresis (CZE). The results obtained by CZE were compared to gas chromatography (AOCS official method) in real samples using the paired t-test. No significant difference between methods was found within a 95% confidence interval (p-value= 0.937). The alternative CZE method for Brachiaria ruzizienses forages analysis has some advantages in comparison with official GC method such as, short analysis time (10 min), no derivatization step for sample preparation, absence of specific separation columns, lower analytical cost and high throughput. |
Palavras-Chave: |
Desenho fatorial; Metodo de extração; Precurssor CLA. |
Thesagro: |
Forragem. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/97936/1/Artigo-Fausto-Analysis-art3A10.24782Fs11532-013-0262-z.pdf
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Marc: |
LEADER 01998naa a2200241 a 4500 001 1959987 005 2024-02-05 008 2013 bl uuuu u00u1 u #d 100 1 $aCASTRO, R. DE J. C. 245 $aAnalysis of the main conjugated linoleic acid (CLA) precursors (C18$b2 n-6 and C18:3 n-3) in Brachiaria ruzizienses by capillary zone electrophoresis.$h[electronic resource] 260 $c2013 300 $ap. 1286-1296 520 $aAn alternative method for extraction optimization of C18:2 n-6 and C18:3 n-3, the main precursors for the synthesis of conjugated linoleic acid (CLA), in Brachiaria ruzizienses forages was proposed. Three methods of lipid extraction were tested: 1. Hara & Radin, 2. Micro Folch and 3. Bligh & Dyer. The preliminary test showed the Hara & Radin method as the most promising procedure. Then, a 33Box Behnken design with triplicate in the central point was applied in Hara & Radin method in order to optimize the extraction procedure. The optimization extraction was monitored by quantification of C18:2 n-6 and C18:3 n-3 through capillary zone electrophoresis (CZE). The results obtained by CZE were compared to gas chromatography (AOCS official method) in real samples using the paired t-test. No significant difference between methods was found within a 95% confidence interval (p-value= 0.937). The alternative CZE method for Brachiaria ruzizienses forages analysis has some advantages in comparison with official GC method such as, short analysis time (10 min), no derivatization step for sample preparation, absence of specific separation columns, lower analytical cost and high throughput. 650 $aForragem 653 $aDesenho fatorial 653 $aMetodo de extração 653 $aPrecurssor CLA 700 1 $aSOUZA SOBRINHO, F. de 700 1 $aGAMA, M. A. S. da 700 1 $aBARRA, P. M. DE C. 700 1 $aANTONIASSI, R. 700 1 $aOLIVEIRA, M. A. L. DE 773 $tCentral European Journal of Chemistry$gv. 11, n. 8, p. 1286-1296, 2013.
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