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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: |
12/11/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
FERREIRA, V. F.; RICALDONI, M. A.; ROSA, S. D. V. F. da; FIQUEIREDO, M. A.; COELHO, S. V. B.; FANTAZZINI, T. B. |
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Afiliação: |
Valquíria Fátima Ferreira, Universidade Federal de Lavras - UFLA/Departamento de Agricultura; Marcela Andreotti Ricaldoni, Universidade Federal de Lavras - UFLA/Departamento de Agricultura; STTELA DELLYZETE VEIGA F DA ROSA, CNPCa; Madeleine Alves de Figueiredo, Universidade Federal de Lavras - UFLA/Departamento de Agricultura; Stefânia Vilas Boas Coelho, Universidade Federal de Lavras - UFLA/Departamento de Agricultura; Tatiana Botelho Fantazzini, Universidade Federal de Lavras - UFLA/Departamento de Agricultura. |
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Título: |
Endo-ß-mannanase enzyme activity in the structures of Coffea arabica L. seeds under different types of processing and drying. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Ciência Rural, Santa Maria, v. 48, n. 12, e20170839, 2018 |
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Idioma: |
Inglês |
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Notas: |
Título em português: Atividade da enzima endo-ß-mananase nas estruturas de sementes de Coffea arabica L. submetidas a diferentes tipos de processamentos e secagem |
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Conteúdo: |
Enzymes play a fundamental role in degradation of molecules during seed germination, development, and deterioration. Endo-β-mannanase is one of the main enzymes responsible for hydrolysis of mannans in the endosperm during germination of coffee seeds through its action in hydrolytic degradation of cell walls and in weakening the structures of the endosperm that surround the embryo, allowing radicle emergence. The aim of this study was to determine the activity of the endo-β-mannanase enzyme in the structures of coffee seeds for the purpose of assessing the relationship between this activity and the physiological quality of the seeds under different processing and drying methods. Coffea arabica L. fruit in the cherry maturity stage was subjected to three different types of processing: natural (seeds maintained in the fruit itself), fully washed (fruit pulped mechanically and the seeds demucilaged by fermentation in water), and semi-washed or demucilaged (both fruit pulp and mucilage removed mechanically); and two methods of drying: slow drying (suspended screen) in the shade, and rapid drying in mechanical dryer at 35°C to a moisture content of 11±1%. After processing and drying, the physiological quality of the seeds was evaluated through the germination test, and endo-β-mannanase enzyme activity was quantified. Coffee seeds submitted to natural processing have lower physiological performance, as well as greater deterioration and greater activity of the endo-ß-mannanase enzyme. Removal of mucilage during fully washed and semi-washed processing of coffee seeds reduces the activity of the endo-ß-mannanase enzyme and lowers deterioration, especially after faster drying. The enzyme endo-ß-mannanase is efficient in studying of the effects of processing and drying on coffee seeds, and can be evaluated in whole seeds, endosperms or embryos. MenosEnzymes play a fundamental role in degradation of molecules during seed germination, development, and deterioration. Endo-β-mannanase is one of the main enzymes responsible for hydrolysis of mannans in the endosperm during germination of coffee seeds through its action in hydrolytic degradation of cell walls and in weakening the structures of the endosperm that surround the embryo, allowing radicle emergence. The aim of this study was to determine the activity of the endo-β-mannanase enzyme in the structures of coffee seeds for the purpose of assessing the relationship between this activity and the physiological quality of the seeds under different processing and drying methods. Coffea arabica L. fruit in the cherry maturity stage was subjected to three different types of processing: natural (seeds maintained in the fruit itself), fully washed (fruit pulped mechanically and the seeds demucilaged by fermentation in water), and semi-washed or demucilaged (both fruit pulp and mucilage removed mechanically); and two methods of drying: slow drying (suspended screen) in the shade, and rapid drying in mechanical dryer at 35°C to a moisture content of 11±1%. After processing and drying, the physiological quality of the seeds was evaluated through the germination test, and endo-β-mannanase enzyme activity was quantified. Coffee seeds submitted to natural processing have lower physiological performance, as well as greater deterioration and greater activity of the endo-ß... Mostrar Tudo |
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Palavras-Chave: |
Hidrólise da manana; Hydrolysis of mannans; Metabolic reactions; Reação metabólica. |
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Thesagro: |
Coffea Arábica. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/197192/1/Endo-B-mannanase-enzyme-activity.pdf
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Marc: |
LEADER 02851naa a2200253 a 4500
001 2108921
005 2019-11-12
008 2018 bl uuuu u00u1 u #d
100 1 $aFERREIRA, V. F.
245 $aEndo-ß-mannanase enzyme activity in the structures of Coffea arabica L. seeds under different types of processing and drying.$h[electronic resource]
260 $c2018
500 $aTítulo em português: Atividade da enzima endo-ß-mananase nas estruturas de sementes de Coffea arabica L. submetidas a diferentes tipos de processamentos e secagem
520 $aEnzymes play a fundamental role in degradation of molecules during seed germination, development, and deterioration. Endo-β-mannanase is one of the main enzymes responsible for hydrolysis of mannans in the endosperm during germination of coffee seeds through its action in hydrolytic degradation of cell walls and in weakening the structures of the endosperm that surround the embryo, allowing radicle emergence. The aim of this study was to determine the activity of the endo-β-mannanase enzyme in the structures of coffee seeds for the purpose of assessing the relationship between this activity and the physiological quality of the seeds under different processing and drying methods. Coffea arabica L. fruit in the cherry maturity stage was subjected to three different types of processing: natural (seeds maintained in the fruit itself), fully washed (fruit pulped mechanically and the seeds demucilaged by fermentation in water), and semi-washed or demucilaged (both fruit pulp and mucilage removed mechanically); and two methods of drying: slow drying (suspended screen) in the shade, and rapid drying in mechanical dryer at 35°C to a moisture content of 11±1%. After processing and drying, the physiological quality of the seeds was evaluated through the germination test, and endo-β-mannanase enzyme activity was quantified. Coffee seeds submitted to natural processing have lower physiological performance, as well as greater deterioration and greater activity of the endo-ß-mannanase enzyme. Removal of mucilage during fully washed and semi-washed processing of coffee seeds reduces the activity of the endo-ß-mannanase enzyme and lowers deterioration, especially after faster drying. The enzyme endo-ß-mannanase is efficient in studying of the effects of processing and drying on coffee seeds, and can be evaluated in whole seeds, endosperms or embryos.
650 $aCoffea Arábica
653 $aHidrólise da manana
653 $aHydrolysis of mannans
653 $aMetabolic reactions
653 $aReação metabólica
700 1 $aRICALDONI, M. A.
700 1 $aROSA, S. D. V. F. da
700 1 $aFIQUEIREDO, M. A.
700 1 $aCOELHO, S. V. B.
700 1 $aFANTAZZINI, T. B.
773 $tCiência Rural, Santa Maria$gv. 48, n. 12, e20170839, 2018
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Registro original: |
Embrapa Café (CNPCa) |
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Registro |
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Registro Completo
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Biblioteca(s): |
Embrapa Pecuária Sul. |
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Data corrente: |
28/09/2012 |
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Data da última atualização: |
23/06/2017 |
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Tipo da produção científica: |
Folder/Folheto/Cartilha |
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Autoria: |
VOLK, L. B. da S.; LUCAS, M. A. K. |
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Afiliação: |
LEANDRO BOCHI DA SILVA VOLK, CPPSUL; MARCO ANTONIO KARAM LUCAS, CPPSUL. |
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Título: |
Práticas que conservam o solo e contribuem para sustentabilidade da pecuária. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Bagé: Embrapa Pecuária Sul, 2012. |
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Idioma: |
Português |
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Notas: |
1 folder. |
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Conteúdo: |
Práticas de manejo para a pecuária |
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Thesagro: |
Manejo; Solo. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/67054/1/DIA-NACIONAL-CONSERVACAO-DE-SOLOS.pdf
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Marc: |
LEADER 00481nam a2200157 a 4500
001 1934938
005 2017-06-23
008 2012 bl uuuu u0uu1 u #d
100 1 $aVOLK, L. B. da S.
245 $aPráticas que conservam o solo e contribuem para sustentabilidade da pecuária.$h[electronic resource]
260 $aBagé: Embrapa Pecuária Sul$c2012
500 $a1 folder.
520 $aPráticas de manejo para a pecuária
650 $aManejo
650 $aSolo
700 1 $aLUCAS, M. A. K.
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Embrapa Pecuária Sul (CPPSUL) |
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