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 | Acesso ao texto completo restrito à biblioteca da Embrapa Agroindústria de Alimentos. Para informações adicionais entre em contato com ctaa.biblioteca@embrapa.br. |
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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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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
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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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Registro original: |
Embrapa Agroindústria de Alimentos (CTAA) |
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| Registros recuperados : 16 | |
| 3. |  | MOREIRA, J. C. S.; OSORIO, E. A. Associação de caracteres morfológicos da planta de trigo com o rendimento de grãos. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA PARA O PROGRESSO DA CIÊNCIA, 29., 1977, São Paulo. Resumo... Ciência e Cultura, São Paulo, v. 29, n. 7, p. 706-707, 1977. S| Biblioteca(s): Embrapa Trigo. |
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| 5. | | OSORIO, E. A.; BARCELLOS, A. L.; MOREIRA, J. C. S. Reações a campo de cultivares de trigo à ferrugem da folha. Pesquisa Agropecuária Brasileira, Série Agronomia, Brasília, DF, v. 11, n. 12, p. 15-18, 1976.| Biblioteca(s): Embrapa Trigo; Embrapa Unidades Centrais. |
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| 11. | | LUZZARDI, G. C.; PIEROBOM, C. R.; OSORIO, E. A.; MOREIRA, J. C. S.; DIAS, J. C. A.; SOUZA, P. G. Reação de cultivares de trigo a giberela, em casa de vegetação, nos anos de 1971 a 1974. In: REUNIÃO ANUAL CONJUNTA DE PESQUISA DE TRIGO, 7., 1975, Passo Fundo. Súmula... Passo Fundo: EMBRAPA-CNPT, 1975. p. 44-45| Biblioteca(s): Embrapa Trigo. |
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| 12. | | LUZZARDI, G. C.; PIEROBON, C. R.; OSORIO, E. A.; MOREIRA, J. C. S.; WETZEL, M. M.; DIAS, J. C. A. Wheat reaction to Septoria nodorum (Berk.). Annual Wheat Newsletter, Fort Collins, v. 21, p. 52, May 1975.| Biblioteca(s): Embrapa Trigo. |
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| 13. | | MOREIRA, J. C.; LANGER, F. A.; DOTTO, S. R.; PAN, C. L.; MEDEIROS, M. C.; GOMES, E. P.; OSORIO, E. A.; IGNACZAK, J. C.; PERUZZO, G. Experimentação com trigo no IPEAS-RS. In: IPEAS - Estação Experimental de Passo Fundo. Trigo - experimentação. Passo Fundo, 1973. p. 1-49 Trabalho apresentado na V Reunião Anual Conjunta de Pesquisa de Trigo, Porto Alegre, 1973.| Biblioteca(s): Embrapa Trigo. |
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| 16. | | MOREIRA, J. C. S.; OSORIO, E. A.; MEDEIROS, M. C. C.; LANGER, F. A.; LINHARES, V. I.; GOMES, E. P.; SOUZA, C. N. A. de; COPPOLLA, G. C. Variedades. In: IPEAS. Cultura do trigo no Rio Grande do Sul e Santa Catarina. Pelotas, 1971. p. 19-29 (IPEAS. Circular, 48).| Biblioteca(s): Embrapa Trigo. |
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| Registros recuperados : 16 | |
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