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Registros recuperados : 311 | |
102. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | MOREIRA, A.; FAGERIA, N. K.; SOUZA, G. B. de; FREITAS, A. R. de. Production, nutritional status and chemical properties of soils with addition of cattle manure, reactive natural phosphate and biotite schist in Massai cultivar. Revista Brasileira de Zootecnia, Viçosa, MG, v. 39, n. 9, p. 1883-1888, set. 2010. Biblioteca(s): Embrapa Amazônia Ocidental; Embrapa Arroz e Feijão. |
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111. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | GONZALEZ, M. H.; SOUZA, G. B. de; NOGUEIRA, A. R. de A. Efeitos térmicos causados pelos métodos de secagem em amostras de guandú. In: CONGRESSO BRASILEIRO DE QUÍMICA 42.; JORNADA BRASILEIRA DE INICIAÇÃO CIENTÍFICA EM QUÍMICA, 15.; MARATONA DE QUÍMICA 10.; FEIRA DE PROJETOS DE QUÍMICA-FEPROQUIM, 3.; ENCONTRO DE QUÍMICA PROFISSIONAL - EMQUIMPRO, 5.; EXPOQUÍMICA, 2002, Rio de Janeiro. Química, energia e desenvolvimento: Livro de resumo. Rio de Janeiro: ABQ, 2002. p.532. Biblioteca(s): Embrapa Pecuária Sudeste. |
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113. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | SÁ, Í. P.; SOUZA, G. B. de; NOGUEIRA, A. R. de A. Especiação de Cr(VI) em fertilizantes orgânicos por meio da extração em ponto nuvem e otimização através do planejamento experimental Doehlert. In: ENCONTRO NACIONAL DE QUÍMICA ANALÍTICA, 19., 2018, Caldas Novas, GO; CONGRESSO IBEROAMERICANO DE QUÍMICA ANALÍTICA, 7., Caldas Novas, GO. Anais... Caldas Novas,GO: ENQA; CIAQA, 2018. p.667. Biblioteca(s): Embrapa Pecuária Sudeste. |
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117. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | PEDROSO, A. de F.; BARIONI JUNIOR, W.; SOUZA, G. B. de; DEL SANTO, V. R. Effects of chemical additives on the ensilage of sugar-cane. Journal of Animal Science, v. 88, (E-Suppl. 2), p. 628, 2010; Journal of Dairy Science, v. 93, (E-Suppl. 1), p. 628, 2010. Biblioteca(s): Embrapa Pecuária Sudeste. |
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118. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | PEDROSO, A. de F.; BARIONI JUNIOR, W.; SOUZA, G. B. de; DEL SANTO, V. R. Effects of chemical additives on the ensilage of sugarcane. Journal of Animal Science, v. 89, E-Suppl. 1; Journal of Dairy Science, v. 94, E-Suppl. 1, p. 270, 2011 Biblioteca(s): Embrapa Pecuária Sudeste. |
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Registros recuperados : 311 | |
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Registro Completo
Biblioteca(s): |
Embrapa Pecuária Sudeste. |
Data corrente: |
07/06/2004 |
Data da última atualização: |
06/05/2022 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
Internacional - A |
Autoria: |
FERREIRA, E. C.; NOGUEIRA, A. R. de A.; SOUZA, G. B. de; BATISTA, L. A. R. |
Afiliação: |
EDILENE C. FERREIRA, UFSCAR; ANA RITA DE ARAUJO NOGUEIRA, CPPSE; GILBERTO BATISTA DE SOUZA, CPPSE; LUIZ ALBERTO ROCHA BATISTA, CPPSE. |
Título: |
Effect of drying method and length of storage on tannin and total phenol concentrations in Pigeon pea seeds. |
Ano de publicação: |
2004 |
Fonte/Imprenta: |
Food Chemistry, v.86, n.1, p.17-23, 2004. |
Idioma: |
Inglês |
Conteúdo: |
Total phenols and condensed tannins in Pigeon pea seeds were determined by flow injection spectrophotometry. Folin-Denis and vanillin assays were used for total phenol and condensed tannin, respectively. Three Pigeon pea accessions were cultivated in a greenhouse. After harvesting, one access was separated into two aliquots. One aliquot was freeze-dried (-196 C), and the other was dried in a forced air oven at 50 C, like the other access samples, to evaluate drying temperature interference. The seeds were initially analyzed and then stored at around -10 C, 16 C or at ambient temperature (25 10 C). The stored samples were analysed every 30 days, for a 90 day period. A significant difference (P < 0:05) occurred between the drying methods for condensed tannin as well as for total phenols, regardless of the storage conditions. The experiments for comparing total phenols, obtained at different storage times, showed significant differences (P < 0:05) for total phenols, indicating that tannin quantification has to be done immediately after harvesting to avoid formation of protein complexes or polymerisation, which lead to erroneous results. In accordance with results, freeze-drying proved to be best for preserving the characteristics of the sample. In order to compare the tannin and phenol contents within accessions, fresh seeds should be used. |
Palavras-Chave: |
Condensed tannims; Pigeon pea seeds; Total phenols. |
Thesaurus NAL: |
flow injection analysis; storage. |
Categoria do assunto: |
W Química e Física |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/28937/1/PROCIARAN2004.00110.pdf
|
Marc: |
LEADER 02026naa a2200217 a 4500 001 1046838 005 2022-05-06 008 2004 bl uuuu u00u1 u #d 100 1 $aFERREIRA, E. C. 245 $aEffect of drying method and length of storage on tannin and total phenol concentrations in Pigeon pea seeds.$h[electronic resource] 260 $c2004 520 $aTotal phenols and condensed tannins in Pigeon pea seeds were determined by flow injection spectrophotometry. Folin-Denis and vanillin assays were used for total phenol and condensed tannin, respectively. Three Pigeon pea accessions were cultivated in a greenhouse. After harvesting, one access was separated into two aliquots. One aliquot was freeze-dried (-196 C), and the other was dried in a forced air oven at 50 C, like the other access samples, to evaluate drying temperature interference. The seeds were initially analyzed and then stored at around -10 C, 16 C or at ambient temperature (25 10 C). The stored samples were analysed every 30 days, for a 90 day period. A significant difference (P < 0:05) occurred between the drying methods for condensed tannin as well as for total phenols, regardless of the storage conditions. The experiments for comparing total phenols, obtained at different storage times, showed significant differences (P < 0:05) for total phenols, indicating that tannin quantification has to be done immediately after harvesting to avoid formation of protein complexes or polymerisation, which lead to erroneous results. In accordance with results, freeze-drying proved to be best for preserving the characteristics of the sample. In order to compare the tannin and phenol contents within accessions, fresh seeds should be used. 650 $aflow injection analysis 650 $astorage 653 $aCondensed tannims 653 $aPigeon pea seeds 653 $aTotal phenols 700 1 $aNOGUEIRA, A. R. de A. 700 1 $aSOUZA, G. B. de 700 1 $aBATISTA, L. A. R. 773 $tFood Chemistry$gv.86, n.1, p.17-23, 2004.
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Embrapa Pecuária Sudeste (CPPSE) |
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