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 | Acesso ao texto completo restrito à biblioteca da Embrapa Florestas. Para informações adicionais entre em contato com cnpf.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
29/08/2012 |
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Data da última atualização: |
31/08/2012 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
SANTOS, A. F. dos; AUER, C. G.; TESSMANN, D. J. |
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Afiliação: |
ALVARO FIGUEREDO DOS SANTOS, CNPF; CELSO GARCIA AUER, CNPF; DAURI JOSÉ TESSMANN, UEM. |
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Título: |
Impactos potenciais das doenças nas palmeiras utilizadas para produção de palmito. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Tropical Plant Pathology, Brasília, DF, v. 37, 2012. |
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Páginas: |
5 p. |
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Descrição Física: |
1 CD-ROM. |
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Idioma: |
Português |
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Notas: |
Suplemento. Edição do 45º Congresso Brasileiro de Fitopatologia, 2012, Manaus. |
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Palavras-Chave: |
Palmeira. |
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Thesagro: |
Palmito; Patógeno. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00615nam a2200181 a 4500
001 1932512
005 2012-08-31
008 2012 bl uuuu u00u1 u #d
100 1 $aSANTOS, A. F. dos
245 $aImpactos potenciais das doenças nas palmeiras utilizadas para produção de palmito.$h[electronic resource]
260 $aTropical Plant Pathology, Brasília, DF, v. 37$c2012
300 $a5 p.$c1 CD-ROM.
500 $aSuplemento. Edição do 45º Congresso Brasileiro de Fitopatologia, 2012, Manaus.
650 $aPalmito
650 $aPatógeno
653 $aPalmeira
700 1 $aAUER, C. G.
700 1 $aTESSMANN, D. J.
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Embrapa Florestas (CNPF) |
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Registro Completo
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Biblioteca(s): |
Embrapa Agroindústria de Alimentos; Embrapa Instrumentação. |
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Data corrente: |
18/01/2021 |
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Data da última atualização: |
25/05/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
LIMA, E. M. B.; MIDDEA, A.; NEUMANN, R.; THIRÉ, R. M. da S. M.; PEREIRA, J. F.; FREITAS, S. C. de; STEPHAN, M. P.; LIMA, A. M.; MINGUITA, A. P. da S.; MATTOS, M. da C.; TEIXEIRA, A. da S.; PEREIRA, I. C. S.; SANTOS, N. R. R. dos; MARCONCINI, J. M.; OLIVEIRA, R. N.; CORREA, A. C. |
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Afiliação: |
EDLA MARIA BEZERRA LIMA, CTAA; Antonieta Middea, CETEM; Reiner Neumann, CETEM; Rossana Mara da Silva Moreira Thiré, UFRJ; Jéssica Fernandes Pereira; SIDINEA CORDEIRO DE FREITAS, CTAA; MARILIA PENTEADO STEPHAN, CTAA; Aline Muniz Lima; ADRIANA PAULA DA SILVA MINGUITA, CTAA; MARIANA DA COSTA MATTOS, CTAA; ALESSANDRA DA SILVA TEIXEIRA, CTAA; Ingrid Cristina Soares Pereira; Natália Rodrigues Rojas dos Santos; José Manoel Marconcini; Renata Nunes Oliveira, UFRRJ; Ana Carolina Correa, UFSCar. |
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Título: |
Biocomposites of PLA and Mango Seed Waste: Potential Material for Food Packaging and a Technological Alternative to Reduce Environmental Impact. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Starch, v. 73, n. 5/6, e2000118, 2021. |
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DOI: |
https://doi.org/10.1002/star.202000118 |
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Idioma: |
Inglês |
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Conteúdo: |
Mango seeds from agro-industry represents an environmental problem due to the amounts of by-products produced. Conversely, poly (lactic acid) (PLA) is a potential green alternative to conventional plastics. The goal of this study aimed to develop a biocomposite based on PLA and mango's by?product for rigid packaging. Six biocomposites were obtained by extrusion/injection processing using formulations with PLA as a matrix and up to 20% by weight of mango seed's by-products (integument or/and kernel). The materials were characterized by chemical analysis; helium pycnometry; particle size distribution; scanning electron microscopy/energy dispersive X-Ray (SEM/EDX), X-Ray diffraction (XRD); Fourier transform infrared spectroscopy (FTIR); thermal gravimetric analysis/differential thermogravimetry (TGA/DTG); differential scanning calorimetry (DSC), and mechanical analysis. Fourier Transform Infrared Spectroscopy (FTIR) bands and DSC transitions related to starch were higher in the kernel, while more cellulose bands were found in the integument. Kernel presented thermal degradation in the biocomposites, specifically the sample PLA+20 wt% kernel. For the other compositions, it was possible to observe that they could keep their morphology. Significant improvements in both mechanical and barrier properties were found in the formulation with 20 wt% integument (an increase of up to 38% in elastic modulus). Therefore, this study suggests that biocomposites developed from PLA / Integument / Kernel have potential as a new biomaterial for rigid food packaging systems. MenosMango seeds from agro-industry represents an environmental problem due to the amounts of by-products produced. Conversely, poly (lactic acid) (PLA) is a potential green alternative to conventional plastics. The goal of this study aimed to develop a biocomposite based on PLA and mango's by?product for rigid packaging. Six biocomposites were obtained by extrusion/injection processing using formulations with PLA as a matrix and up to 20% by weight of mango seed's by-products (integument or/and kernel). The materials were characterized by chemical analysis; helium pycnometry; particle size distribution; scanning electron microscopy/energy dispersive X-Ray (SEM/EDX), X-Ray diffraction (XRD); Fourier transform infrared spectroscopy (FTIR); thermal gravimetric analysis/differential thermogravimetry (TGA/DTG); differential scanning calorimetry (DSC), and mechanical analysis. Fourier Transform Infrared Spectroscopy (FTIR) bands and DSC transitions related to starch were higher in the kernel, while more cellulose bands were found in the integument. Kernel presented thermal degradation in the biocomposites, specifically the sample PLA+20 wt% kernel. For the other compositions, it was possible to observe that they could keep their morphology. Significant improvements in both mechanical and barrier properties were found in the formulation with 20 wt% integument (an increase of up to 38% in elastic modulus). Therefore, this study suggests that biocomposites developed from PLA / Integument... Mostrar Tudo |
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Palavras-Chave: |
Biomaterials; Mango; PLA. |
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Thesaurus NAL: |
Extrusion. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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Marc: |
LEADER 02656naa a2200361 a 4500
001 2129433
005 2022-05-25
008 2021 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1002/star.202000118$2DOI
100 1 $aLIMA, E. M. B.
245 $aBiocomposites of PLA and Mango Seed Waste$bPotential Material for Food Packaging and a Technological Alternative to Reduce Environmental Impact.$h[electronic resource]
260 $c2021
520 $aMango seeds from agro-industry represents an environmental problem due to the amounts of by-products produced. Conversely, poly (lactic acid) (PLA) is a potential green alternative to conventional plastics. The goal of this study aimed to develop a biocomposite based on PLA and mango's by?product for rigid packaging. Six biocomposites were obtained by extrusion/injection processing using formulations with PLA as a matrix and up to 20% by weight of mango seed's by-products (integument or/and kernel). The materials were characterized by chemical analysis; helium pycnometry; particle size distribution; scanning electron microscopy/energy dispersive X-Ray (SEM/EDX), X-Ray diffraction (XRD); Fourier transform infrared spectroscopy (FTIR); thermal gravimetric analysis/differential thermogravimetry (TGA/DTG); differential scanning calorimetry (DSC), and mechanical analysis. Fourier Transform Infrared Spectroscopy (FTIR) bands and DSC transitions related to starch were higher in the kernel, while more cellulose bands were found in the integument. Kernel presented thermal degradation in the biocomposites, specifically the sample PLA+20 wt% kernel. For the other compositions, it was possible to observe that they could keep their morphology. Significant improvements in both mechanical and barrier properties were found in the formulation with 20 wt% integument (an increase of up to 38% in elastic modulus). Therefore, this study suggests that biocomposites developed from PLA / Integument / Kernel have potential as a new biomaterial for rigid food packaging systems.
650 $aExtrusion
653 $aBiomaterials
653 $aMango
653 $aPLA
700 1 $aMIDDEA, A.
700 1 $aNEUMANN, R.
700 1 $aTHIRÉ, R. M. da S. M.
700 1 $aPEREIRA, J. F.
700 1 $aFREITAS, S. C. de
700 1 $aSTEPHAN, M. P.
700 1 $aLIMA, A. M.
700 1 $aMINGUITA, A. P. da S.
700 1 $aMATTOS, M. da C.
700 1 $aTEIXEIRA, A. da S.
700 1 $aPEREIRA, I. C. S.
700 1 $aSANTOS, N. R. R. dos
700 1 $aMARCONCINI, J. M.
700 1 $aOLIVEIRA, R. N.
700 1 $aCORREA, A. C.
773 $tStarch$gv. 73, n. 5/6, e2000118, 2021.
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