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Registro Completo |
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Biblioteca(s): |
Embrapa Amazônia Ocidental. |
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Data corrente: |
12/04/2001 |
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Data da última atualização: |
21/06/2018 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
DUNISCH, O.; GASPAROTTO, L.; AZEVEDO, C. P. de; NEVES, E. M.; BAUCH, J. |
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Afiliação: |
University of Hamburg; Embrapa Amazonia Ocidental; Embrapa Florestas.; LUADIR GASPAROTTO, CPAA; CELSO PAULO DE AZEVEDO, CPAA. |
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Título: |
High quality timber production in mixed plantations of the Amazon. |
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Ano de publicação: |
2000 |
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Fonte/Imprenta: |
In: CONGRESSO BRASILEIRO DE SISTEMAS AGROFLORESTAIS, 3., 2000, Manaus. Sistemas agroflorestais: manejando a biodiversidade e compondo a paisagem rural - resumos expandidos. Manaus: Embrapa Amazonia Ocidental, 2000. |
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Páginas: |
p. 199-201. |
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Idioma: |
Inglês |
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Conteúdo: |
The aim of this study was to optimise the wood production of the Swietenia macrophylla King, Carapa guianensis Aubl., and Cedrela odorata L. (Meliaceaea) under plantation conditions with special regard to sustainable timber production in mixed plantations. According the results, the growth dynamics of the three Meliaceaea species was strongly correlated with the light, water, and nutrient supply, which offers the chance to select suitable sites and management practices by means of geographical information systems as to improve the timber production of these species in plantations like agroforestry systems, in Manaus-AM (Brazil). |
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Palavras-Chave: |
Agrofloresta; Amazonas; Brasil; Manaus; Production; Sustainability; Timber. |
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Thesagro: |
Andiroba; Carapa Guianensis; Cedrela Odorata; Cedro; Cultivo Multiplo; Desenvolvimento Sustentável; Floresta Tropical Úmida; Madeira; Mogno; Produção; Swietenia Macrophylla; Uso da Terra. |
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Thesaurus Nal: |
agroforestry; land use; multiple cropping; tropical rain forests. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/114396/1/CPAA-DOC.-7-210.pdf
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Marc: |
LEADER 01943nam a2200445 a 4500
001 1670613
005 2018-06-21
008 2000 bl uuuu u00u1 u #d
100 1 $aDUNISCH, O.
245 $aHigh quality timber production in mixed plantations of the Amazon.
260 $aIn: CONGRESSO BRASILEIRO DE SISTEMAS AGROFLORESTAIS, 3., 2000, Manaus. Sistemas agroflorestais: manejando a biodiversidade e compondo a paisagem rural - resumos expandidos. Manaus: Embrapa Amazonia Ocidental$c2000
300 $ap. 199-201.
520 $aThe aim of this study was to optimise the wood production of the Swietenia macrophylla King, Carapa guianensis Aubl., and Cedrela odorata L. (Meliaceaea) under plantation conditions with special regard to sustainable timber production in mixed plantations. According the results, the growth dynamics of the three Meliaceaea species was strongly correlated with the light, water, and nutrient supply, which offers the chance to select suitable sites and management practices by means of geographical information systems as to improve the timber production of these species in plantations like agroforestry systems, in Manaus-AM (Brazil).
650 $aagroforestry
650 $aland use
650 $amultiple cropping
650 $atropical rain forests
650 $aAndiroba
650 $aCarapa Guianensis
650 $aCedrela Odorata
650 $aCedro
650 $aCultivo Multiplo
650 $aDesenvolvimento Sustentável
650 $aFloresta Tropical Úmida
650 $aMadeira
650 $aMogno
650 $aProdução
650 $aSwietenia Macrophylla
650 $aUso da Terra
653 $aAgrofloresta
653 $aAmazonas
653 $aBrasil
653 $aManaus
653 $aProduction
653 $aSustainability
653 $aTimber
700 1 $aGASPAROTTO, L.
700 1 $aAZEVEDO, C. P. de
700 1 $aNEVES, E. M.
700 1 $aBAUCH, J.
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Registro original: |
Embrapa Amazônia Ocidental (CPAA) |
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Biblioteca |
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Origem |
Tipo/Formato |
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Registro |
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Voltar
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Agroindústria Tropical. Para informações adicionais entre em contato com cnpat.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Agroindústria Tropical; Embrapa Alimentos e Territórios. |
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Data corrente: |
17/01/2024 |
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Data da última atualização: |
18/01/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 4 |
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Autoria: |
PORTO, E. C. M.; BRITO, E. S. de; RODRIGUES, S.; FERNANDES, F. A. N. |
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Afiliação: |
ELAINE C. M. PORTO, UNIVERSIDADE FEDERAL DO CEARÁ; EDY SOUSA DE BRITO, CNAT; SUELI RODRIGUES, UNIVERSIDADE FEDERAL DO CEARÁ; FABIANO A. N. FERNANDES, UNIVERSIDADE FEDERAL DO CEARÁ. |
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Título: |
Effect of atmospheric cold plasma on the aroma of pineapple juice: improving fresh and fruity notes and reducing undesired pungent and sulfurous aromas. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
Processes, v. 11, n. 2303, 2023. |
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Páginas: |
12 p. |
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DOI: |
https://doi.org/10.3390/pr11082303 |
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Idioma: |
Inglês |
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Conteúdo: |
Pineapple aroma is characterized by several esters, which confers its fresh and fruity aroma. However, high concentrations of methyl hexanoate and thioesters bring an undesired pungently sweet aroma and sulfurous notes to pineapple juice. This study investigates the chemical effects of cold plasma on the aroma compounds and descriptors of pineapple juice, evaluating the effects of plasma on its esters and thioesters. Dielectric barrier discharge plasma was applied to pineapple juice, varying the excitation frequency (50 to 1000 Hz) and processing time (10 to 20 min) at constant voltage (20 kV). Plasma treatment induced successive demethylation of esters and the conversion of methyl esters into ethyl esters. Thioesters showed to be more stable under plasma treatment. Proper setting of plasma operating conditions enabled an improvement in the fresh and fruity descriptors of pineapple juice, a reduction of its undesired pungently sweet aroma, but an increase in the influence of sulfurous descriptors. Plasma treatment at 50 Hz reduced the undesired aromas of pineapple while maintaining its fresh and fruity descriptors. |
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Palavras-Chave: |
Dielectric barrier discharge plasma; Plasma de descarga com barreira dielétrica; Química alimentar; Química dos alimentos. |
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Thesagro: |
Abacaxi; Aroma; Qualidade. |
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Thesaurus NAL: |
Ananas comosus var. comosus; Aromatic compounds; Food chemistry; Quality control. |
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Categoria do assunto: |
--
W Química e Física |
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Marc: |
LEADER 02141naa a2200313 a 4500
001 2160957
005 2024-01-18
008 2023 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.3390/pr11082303$2DOI
100 1 $aPORTO, E. C. M.
245 $aEffect of atmospheric cold plasma on the aroma of pineapple juice$bimproving fresh and fruity notes and reducing undesired pungent and sulfurous aromas.$h[electronic resource]
260 $c2023
300 $a12 p.
520 $aPineapple aroma is characterized by several esters, which confers its fresh and fruity aroma. However, high concentrations of methyl hexanoate and thioesters bring an undesired pungently sweet aroma and sulfurous notes to pineapple juice. This study investigates the chemical effects of cold plasma on the aroma compounds and descriptors of pineapple juice, evaluating the effects of plasma on its esters and thioesters. Dielectric barrier discharge plasma was applied to pineapple juice, varying the excitation frequency (50 to 1000 Hz) and processing time (10 to 20 min) at constant voltage (20 kV). Plasma treatment induced successive demethylation of esters and the conversion of methyl esters into ethyl esters. Thioesters showed to be more stable under plasma treatment. Proper setting of plasma operating conditions enabled an improvement in the fresh and fruity descriptors of pineapple juice, a reduction of its undesired pungently sweet aroma, but an increase in the influence of sulfurous descriptors. Plasma treatment at 50 Hz reduced the undesired aromas of pineapple while maintaining its fresh and fruity descriptors.
650 $aAnanas comosus var. comosus
650 $aAromatic compounds
650 $aFood chemistry
650 $aQuality control
650 $aAbacaxi
650 $aAroma
650 $aQualidade
653 $aDielectric barrier discharge plasma
653 $aPlasma de descarga com barreira dielétrica
653 $aQuímica alimentar
653 $aQuímica dos alimentos
700 1 $aBRITO, E. S. de
700 1 $aRODRIGUES, S.
700 1 $aFERNANDES, F. A. N.
773 $tProcesses$gv. 11, n. 2303, 2023.
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Registro original: |
Embrapa Alimentos e Territórios (CNAT) |
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