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Registro Completo |
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Biblioteca(s): |
Embrapa Agroindústria Tropical. |
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Data corrente: |
04/06/2018 |
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Data da última atualização: |
29/01/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
DANTAS, E. S. B.; SILVA, L. M. A. e; BRITO, E. S. de; WURLITZER, N. J.; FERNANDES, F. A. N.; RABELO, M. C.; FONTELES, T. V.; RODRIGUES, S. |
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Afiliação: |
ELENILSON SAULO BATISTA DANTAS, CNPA; LORENA MARA ALEXANDRE E SILVA, CNPAT; EDY SOUSA DE BRITO, CNPAT; NEDIO JAIR WURLITZER, CNPAT; Fabiano A.N. Fernandes, Universidade Federal do Ceará, Departamento de Engenharia Química; Maria Cristiane Rabelo, Universidade Federal do Ceará, Departamento de Engenharia Química; Thatyane V. Fonteles, Universidade Federal do Ceará, Departamento de Engenharia Química; Sueli Rodrigues, Universidade Federal do Ceará, Departamento de Engenharia Química. |
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Título: |
Evaluation of thermal and non-thermal processing effect on non-prebiotic and prebiotic acerola juices using 1HqNMR and GC - MS coupled to chemometrics. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Food Chemistry, v. 265, p. 23-31, 2018. |
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Idioma: |
Inglês |
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Palavras-Chave: |
HTST; Prebiotico; UHT; Ultra-som; Valor nutricional. |
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Thesagro: |
Malpighia Punicifolia. |
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Thesaurus Nal: |
Acerolas. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/178272/1/ART18020.pdf
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Marc: |
LEADER 00841naa a2200277 a 4500
001 2092191
005 2019-01-29
008 2018 bl uuuu u00u1 u #d
100 1 $aDANTAS, E. S. B.
245 $aEvaluation of thermal and non-thermal processing effect on non-prebiotic and prebiotic acerola juices using 1HqNMR and GC - MS coupled to chemometrics.$h[electronic resource]
260 $c2018
650 $aAcerolas
650 $aMalpighia Punicifolia
653 $aHTST
653 $aPrebiotico
653 $aUHT
653 $aUltra-som
653 $aValor nutricional
700 1 $aSILVA, L. M. A. e
700 1 $aBRITO, E. S. de
700 1 $aWURLITZER, N. J.
700 1 $aFERNANDES, F. A. N.
700 1 $aRABELO, M. C.
700 1 $aFONTELES, T. V.
700 1 $aRODRIGUES, S.
773 $tFood Chemistry$gv. 265, p. 23-31, 2018.
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Registro original: |
Embrapa Agroindústria Tropical (CNPAT) |
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Biblioteca(s): |
Embrapa Agrossilvipastoril. |
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Data corrente: |
25/01/2018 |
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Data da última atualização: |
25/01/2018 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
ARAGÃO, L. S.; ASSIS, H. F.; CAVALLI, J.; TESK, C. R. M.; CARVALHO, P.; PEREIRA, D. H.; SCHIMITD JUNIOR, R. J.; PEDREIRA, B. C. e. |
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Afiliação: |
LIDIANY S. ARAGÃO, UFMT-SINOP; HUGO F. ASSIS, UFMT-CUIABA; JOSIANA CAVALLI, UFMT-CUIABA; CÁTIA R. M. TESK, UFMT-CUIABA; PERIVALDO CARVALHO, UFMT-CUIABA; DALTON H. PEREIRA, UFMT-SINOP; ROBERTO J. S. JUNIOR, UFMT-CUIABA; BRUNO CARNEIRO E PEDREIRA, CPAMT. |
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Título: |
Leaf photosynthesis and water use efficiency by Panicum maximum BRS Quênia. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 54., 2017, Foz do Iguaçu. A new view of animal science: challenges and perspectives: Proceedings. Foz do Iguaçu: SBZ, 2017. p. 654. |
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ISSN: |
1983-4357 |
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Idioma: |
Inglês |
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Conteúdo: |
Tropical grasses has an important role at forage-based cattle production systems. To guarantee production is necessary understand factors that allow plant growth, as well as photosynthesis. Under grazing, the amount of residual leaf area in post-grazing or plant organic reserves also driven the growth. Thus, gaseous exchange responses in forages are essential for understand forage production process, aiming maximum biological efficiency. The objective with this study was to evaluate foliar photosynthesis and water use efficiency in Quênia (Panicum maximum BRS Quênia). The pastures were submitted to intermittent grazing (95% of light interception) with two grazing intensities defined by post-grazing height: high and low (20 and 35 cm). The experiment was carried out at Embrapa Agrossilvipastoril, Sinop/MT, from March/15 to Feb/16, follow a randomized complete block design, with tree replications. Data was analyzed using the method of mixed templates, with special structure in the parametric covariance matrix, through the MIXED procedure of SAS statistical software. To choose covariance matrix, the Akaike information was used. Three seasons are evaluated (autumn, spring and summer), using three leaves (younger fully expanded per tiller) per plot, immediately before grazing. Measurements were performed using the portable infrared gas exchange analyzer (LCi-SD, ADC BioScientific Ltd., Hoddesdon, England). The light intensity was kept constant at 2000 μmol photons m-2 s-1, and readings were taken between 08:30 and 11:00 AM. There is no grazing intensity effect (P>0.05) on leaf photosynthesis (27.76 μmol CO2 m-2 s-1) and water use efficiency (5.65 μmol CO2 mol H2O m-2 s-1). Leaf photosynthesis rate and water use efficiency showed grazing intensity x seasons interaction (P=0.0317 and P=0.0215, respectively). Despite managed under high or low grazing intensity, grass physiological responses was strongly influenced by climatic conditions, mainly due variations in water availability that occurred during experimental period. The highest values of leaf photosynthesis (34.09 μmol CO2 m-2 s-1) and water use efficiency (4.13 μmol CO2 mol H2O m-2 s-1) were registered in spring, season with greater values of radiation and precipitation. After mid-December, rainfall was enough to guarantee water deficit absence. Quênia guineagrass under intermittent grazing, using 95% of light interception, can have the post-graze define between 35 and 20 cm of height. MenosTropical grasses has an important role at forage-based cattle production systems. To guarantee production is necessary understand factors that allow plant growth, as well as photosynthesis. Under grazing, the amount of residual leaf area in post-grazing or plant organic reserves also driven the growth. Thus, gaseous exchange responses in forages are essential for understand forage production process, aiming maximum biological efficiency. The objective with this study was to evaluate foliar photosynthesis and water use efficiency in Quênia (Panicum maximum BRS Quênia). The pastures were submitted to intermittent grazing (95% of light interception) with two grazing intensities defined by post-grazing height: high and low (20 and 35 cm). The experiment was carried out at Embrapa Agrossilvipastoril, Sinop/MT, from March/15 to Feb/16, follow a randomized complete block design, with tree replications. Data was analyzed using the method of mixed templates, with special structure in the parametric covariance matrix, through the MIXED procedure of SAS statistical software. To choose covariance matrix, the Akaike information was used. Three seasons are evaluated (autumn, spring and summer), using three leaves (younger fully expanded per tiller) per plot, immediately before grazing. Measurements were performed using the portable infrared gas exchange analyzer (LCi-SD, ADC BioScientific Ltd., Hoddesdon, England). The light intensity was kept constant at 2000 μmol photons m-2 s-1, a... Mostrar Tudo |
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Palavras-Chave: |
Light interception; Tropical grass. |
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Thesaurus NAL: |
Grazing intensity; Grazing management. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/171656/1/2017-cpamt-bruno-pedreira-photosynthesis-water-efficiency-pancum-brs-quenia.pdf
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Marc: |
LEADER 03389nam a2200253 a 4500
001 2086320
005 2018-01-25
008 2017 bl uuuu u00u1 u #d
022 $a1983-4357
100 1 $aARAGÃO, L. S.
245 $aLeaf photosynthesis and water use efficiency by Panicum maximum BRS Quênia.$h[electronic resource]
260 $aIn: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 54., 2017, Foz do Iguaçu. A new view of animal science: challenges and perspectives: Proceedings. Foz do Iguaçu: SBZ, 2017. p. 654.$c2017
520 $aTropical grasses has an important role at forage-based cattle production systems. To guarantee production is necessary understand factors that allow plant growth, as well as photosynthesis. Under grazing, the amount of residual leaf area in post-grazing or plant organic reserves also driven the growth. Thus, gaseous exchange responses in forages are essential for understand forage production process, aiming maximum biological efficiency. The objective with this study was to evaluate foliar photosynthesis and water use efficiency in Quênia (Panicum maximum BRS Quênia). The pastures were submitted to intermittent grazing (95% of light interception) with two grazing intensities defined by post-grazing height: high and low (20 and 35 cm). The experiment was carried out at Embrapa Agrossilvipastoril, Sinop/MT, from March/15 to Feb/16, follow a randomized complete block design, with tree replications. Data was analyzed using the method of mixed templates, with special structure in the parametric covariance matrix, through the MIXED procedure of SAS statistical software. To choose covariance matrix, the Akaike information was used. Three seasons are evaluated (autumn, spring and summer), using three leaves (younger fully expanded per tiller) per plot, immediately before grazing. Measurements were performed using the portable infrared gas exchange analyzer (LCi-SD, ADC BioScientific Ltd., Hoddesdon, England). The light intensity was kept constant at 2000 μmol photons m-2 s-1, and readings were taken between 08:30 and 11:00 AM. There is no grazing intensity effect (P>0.05) on leaf photosynthesis (27.76 μmol CO2 m-2 s-1) and water use efficiency (5.65 μmol CO2 mol H2O m-2 s-1). Leaf photosynthesis rate and water use efficiency showed grazing intensity x seasons interaction (P=0.0317 and P=0.0215, respectively). Despite managed under high or low grazing intensity, grass physiological responses was strongly influenced by climatic conditions, mainly due variations in water availability that occurred during experimental period. The highest values of leaf photosynthesis (34.09 μmol CO2 m-2 s-1) and water use efficiency (4.13 μmol CO2 mol H2O m-2 s-1) were registered in spring, season with greater values of radiation and precipitation. After mid-December, rainfall was enough to guarantee water deficit absence. Quênia guineagrass under intermittent grazing, using 95% of light interception, can have the post-graze define between 35 and 20 cm of height.
650 $aGrazing intensity
650 $aGrazing management
653 $aLight interception
653 $aTropical grass
700 1 $aASSIS, H. F.
700 1 $aCAVALLI, J.
700 1 $aTESK, C. R. M.
700 1 $aCARVALHO, P.
700 1 $aPEREIRA, D. H.
700 1 $aSCHIMITD JUNIOR, R. J.
700 1 $aPEDREIRA, B. C. e
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Embrapa Agrossilvipastoril (CPAMT) |
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