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| Registros recuperados : 9 | |
| 5. |  | CAMARGO, A. C. de; NOVO, A. L. M.; BERGAMASCHI, M. A. C. M.; PALHARES, J. C. P.; MENDONCA, F. C.; SCHIAVINATO, R. J. Fazenda Nata da Serra, Serra Negra, SP: descrição de caso de sucesso na produção orgânica de leite. Brasília, DF: Embrapa, 2020. 75 p.| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 6. | | PALHARES, J. C. P.; MACKAY, A. D.; PEDROSO, A. M.; RODRIGUES, A. P. O.; NAVE, A. G.; DOMINATI, E. J.; FARAH, F. T.; CHIZZOTTI, F. H. M.; LAMONATO, F. H. F.; MORO, G. V.; LIMA, G. J. M. M. de; SANTOS, J. L. dos; PRADOS, L. F.; LUNDSTEDT, L. M.; FERREIRA, L.; SILVA, L. F. C. e; ALEJANDRA HERRERO, M.; CHIZZOTTI, M. L.; MANZKE, N. E.; OLIVEIRA, P. A. V. de; ROTTA, P. P.; RODRIGUES, R. R.; NICOLOSO, R. da S.; VIBART, R. E.; VALADARES FILHO, S. de C.; GANDOLFI, S. (org.). Produção animal e recursos hídricos. São Carlos: Cubo, 2016. 1 186 p.| Biblioteca(s): Embrapa Pecuária Sudeste; Embrapa Suínos e Aves. |
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| 7. | | PALHARES, J. C. P.; VIANCELLI, A.; KUNZ, A.; SANCHES, A. C.; GAMEIRO, A. H.; BARADI, C. R. M.; AITA, C.; AMORIM, D. M.; MIOLA, E. C. C.; JESUS, F. L. F. de; MENDONÇA, F. C.; FONGARO, G.; BAZZO, H. L. S.; TREICHEL, H.; SCHIRMANN, J.; NASCIMENTO, J. G.; GATIBONI, L. C.; LANNA, M. C. da S.; MAGRI, M. E.; PAZ TIERI, M.; MORALES, R.; NICOLOSO, R. da S.; GONZATTO, R.; QUEIROZ, R. de; GIACOMINI, S. J.; PUJOL, S. B.; CHARLON, V. (ed.). Produção animal e recursos hídricos: tecnologias para manejo de resíduos e uso eficiente dos insumos. Brasília, DF : Embrapa, 2019. 210 p. E-book.| Biblioteca(s): Embrapa Pecuária Sudeste; Embrapa Suínos e Aves. |
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| Registros recuperados : 9 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Café. |
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Data corrente: |
09/05/2019 |
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Data da última atualização: |
09/05/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 2 |
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Autoria: |
ABREU, G. F. de; ROSA, S. D. V. F. da; MALTA, M. R.; CLEMENTE, A. da C. S.; VILELA, A. L.; PEREIRA, R. W. |
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Afiliação: |
Giselle Figueiredo de Abreu, Universidad Federal de Lavras - UFLA/Departamento de Ingenieria; STTELA DELLYZETE VEIGA F DA ROSA, CNPCa; Marcelo Ribeiro Malta, Empresa de Investigación Agropecuaria de Minas Gerais - EPAMIG/Universidad Federal de Lavras- UFLA; Aline da Consolação Sampaio Clemente, Universidad Federal de Lavras - UFLA/Departamento de Agricultura/Sector de semillas; Amanda Lima Vilela, Universidad Federal de Lavras - UFLA/Departamento de Agricultura/Sector de semillas; Rucyan Walace Pereira, Universidad Federal de Lavras - UFLA/Departamento de Agricultura/Sector de semillas. |
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Título: |
Antioxidant enzymes preserving coffee quality in refrigerate environment. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Biotecnología Vegetal, v. 18, n. 3, p. 151-159, julio-septiembre, 2018 |
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Idioma: |
Inglês |
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Notas: |
Título em espanhol: Enzimas antioxidantes preservan la calidad del café en ambiente refrigerado. |
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Conteúdo: |
Post-harvest phases may cause biochemical and physiological changes with direct effects on coffee (Coffea sp.) grains quality during its storage. The aim of this study was to determine the relevance of antioxidant isoenzyme expression on the coffee grains quality undergoing different types of processing and storage conditions. Coffea arabica L. ripe fruits was harvested, part of them was dry processed and another part was wet processing. Immediately, the coffee was dried. After drying, some of the grains were hulled and the other part was maintained unhulled. After that, the grains were stored under refrigerate controlled conditions (10 ºC and 50% relative humidity) or at 25 ºC without relative humidity control for a period of 12 months. Enzymatic expression of catalase, esterase, peroxidase, and alcohol dehydrogenase enzymes was evaluated in the coffee grains in these storage conditions by electrophoretic analysis. The results were compared to the sensorial and physiological profiles of the samples. It was found that expression of enzymes of the antioxidative process is associated with changes in the quality of coffee grains. Natural coffee obtained by dry processing is more sensitive to biochemical changes than wet-processed coffee. A refrigerated environment has a beneficial ffect for preserving the coffee grains showed by higher expression of catalase, peroxidase, and alcohol dehydrogenase enzymes after six months of storage in these conditions. The protection of the endosperm by the presence of the pericarp in natural coffee or the endocarp in fully-washed coffee is beneficial to maintenance of quality and is related to expression of antioxidant enzymes. MenosPost-harvest phases may cause biochemical and physiological changes with direct effects on coffee (Coffea sp.) grains quality during its storage. The aim of this study was to determine the relevance of antioxidant isoenzyme expression on the coffee grains quality undergoing different types of processing and storage conditions. Coffea arabica L. ripe fruits was harvested, part of them was dry processed and another part was wet processing. Immediately, the coffee was dried. After drying, some of the grains were hulled and the other part was maintained unhulled. After that, the grains were stored under refrigerate controlled conditions (10 ºC and 50% relative humidity) or at 25 ºC without relative humidity control for a period of 12 months. Enzymatic expression of catalase, esterase, peroxidase, and alcohol dehydrogenase enzymes was evaluated in the coffee grains in these storage conditions by electrophoretic analysis. The results were compared to the sensorial and physiological profiles of the samples. It was found that expression of enzymes of the antioxidative process is associated with changes in the quality of coffee grains. Natural coffee obtained by dry processing is more sensitive to biochemical changes than wet-processed coffee. A refrigerated environment has a beneficial ffect for preserving the coffee grains showed by higher expression of catalase, peroxidase, and alcohol dehydrogenase enzymes after six months of storage in these conditions. The protection of the end... Mostrar Tudo |
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Palavras-Chave: |
Alcohol deshidrogenasa; Catalasa; Esterasa; Peroxidasa. |
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Thesaurus NAL: |
Alcohol dehydrogenase; Esterases; Peroxidases. |
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Categoria do assunto: |
-- |
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URL: |
https://www.alice.cnptia.embrapa.br/alice/bitstream/doc/1108915/1/Antioxidantenzymespreservingcoffeequality.pdf
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Marc: |
LEADER 02570naa a2200277 a 4500
001 2108915
005 2019-05-09
008 2018 bl uuuu u00u1 u #d
100 1 $aABREU, G. F. de
245 $aAntioxidant enzymes preserving coffee quality in refrigerate environment.$h[electronic resource]
260 $c2018
500 $aTítulo em espanhol: Enzimas antioxidantes preservan la calidad del café en ambiente refrigerado.
520 $aPost-harvest phases may cause biochemical and physiological changes with direct effects on coffee (Coffea sp.) grains quality during its storage. The aim of this study was to determine the relevance of antioxidant isoenzyme expression on the coffee grains quality undergoing different types of processing and storage conditions. Coffea arabica L. ripe fruits was harvested, part of them was dry processed and another part was wet processing. Immediately, the coffee was dried. After drying, some of the grains were hulled and the other part was maintained unhulled. After that, the grains were stored under refrigerate controlled conditions (10 ºC and 50% relative humidity) or at 25 ºC without relative humidity control for a period of 12 months. Enzymatic expression of catalase, esterase, peroxidase, and alcohol dehydrogenase enzymes was evaluated in the coffee grains in these storage conditions by electrophoretic analysis. The results were compared to the sensorial and physiological profiles of the samples. It was found that expression of enzymes of the antioxidative process is associated with changes in the quality of coffee grains. Natural coffee obtained by dry processing is more sensitive to biochemical changes than wet-processed coffee. A refrigerated environment has a beneficial ffect for preserving the coffee grains showed by higher expression of catalase, peroxidase, and alcohol dehydrogenase enzymes after six months of storage in these conditions. The protection of the endosperm by the presence of the pericarp in natural coffee or the endocarp in fully-washed coffee is beneficial to maintenance of quality and is related to expression of antioxidant enzymes.
650 $aAlcohol dehydrogenase
650 $aEsterases
650 $aPeroxidases
653 $aAlcohol deshidrogenasa
653 $aCatalasa
653 $aEsterasa
653 $aPeroxidasa
700 1 $aROSA, S. D. V. F. da
700 1 $aMALTA, M. R.
700 1 $aCLEMENTE, A. da C. S.
700 1 $aVILELA, A. L.
700 1 $aPEREIRA, R. W.
773 $tBiotecnología Vegetal$gv. 18, n. 3, p. 151-159, julio-septiembre, 2018
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Embrapa Café (CNPCa) |
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