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Registro Completo
Biblioteca(s): |
Embrapa Agroindústria de Alimentos. |
Data corrente: |
19/05/2020 |
Data da última atualização: |
17/12/2020 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
COELHO, C. C. de S.; SILVA, R. B. S.; CARVALHO, C. W. P. de; ROSSI, A. L.; TEIXEIRA, J. A.; FREITAS-SILVA, O.; CABRAL, L. M. C. |
Afiliação: |
Caroline Corrêa de Souza Coelho, UFRJ; Raysa Brandão Soares Silva, PUC - RIO; CARLOS WANDERLEI PILER DE CARVALHO, CTAA; André Linhares Rossi, CBPF; José A. Teixeira, entre of Biological Engineering, Universidade do Minho; OTNIEL FREITAS SILVA, CTAA; LOURDES MARIA CORREA CABRAL, CTAA. |
Título: |
Cellulose nanocrystals from grape pomace and their use for the development of starch-based nanocomposite films. |
Ano de publicação: |
2020 |
Fonte/Imprenta: |
International Journal of Biological Macromolecules, v. 159, p. 1048-1061, 2020. |
DOI: |
https://doi.org/10.1016/j.ijbiomac.2020.05.046 |
Idioma: |
Inglês |
Conteúdo: |
Nanocompositefilms prepared from starch (ST) in the presence of cellulose nanocrystals (CNCs) was performedusing grape pomace asraw material.CNCswere obtainedbyacidhydrolysis and added tofilmogenic solutions (1,2, 5, 10 and 15 g/100 g of ST). Cellulose, CNCs and Nanocomposites were characterized. Amorphous non-cellulosic materials were removed from the grape pomace presented values for CrI 64% and 71% and yield 12and 70% in Cellulose and CNCs, respectively. Nanocomposites showed smaller permeability and the addition of5 to 15% CNCs formed more opaquefilms and had improved tensile strength and Young’s modulus. The additionof CNCs from 5 to 15% proved to be effective in improving mechanicalproperties and decreasing water vaporper-meability, important characteristics in food packaging materials. This study provided an effective method to ob-tain CNCs from the agroindustrial waste and open the way to produce high-value starch based nanocomposites. |
Palavras-Chave: |
Barrier properties. |
Thesaurus NAL: |
Biopolymers; Food technology; Mechanical properties; Nanocomposites; Packaging. |
Categoria do assunto: |
-- |
Marc: |
LEADER 01858naa a2200277 a 4500 001 2122379 005 2020-12-17 008 2020 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1016/j.ijbiomac.2020.05.046$2DOI 100 1 $aCOELHO, C. C. de S. 245 $aCellulose nanocrystals from grape pomace and their use for the development of starch-based nanocomposite films.$h[electronic resource] 260 $c2020 520 $aNanocompositefilms prepared from starch (ST) in the presence of cellulose nanocrystals (CNCs) was performedusing grape pomace asraw material.CNCswere obtainedbyacidhydrolysis and added tofilmogenic solutions (1,2, 5, 10 and 15 g/100 g of ST). Cellulose, CNCs and Nanocomposites were characterized. Amorphous non-cellulosic materials were removed from the grape pomace presented values for CrI 64% and 71% and yield 12and 70% in Cellulose and CNCs, respectively. Nanocomposites showed smaller permeability and the addition of5 to 15% CNCs formed more opaquefilms and had improved tensile strength and Young’s modulus. The additionof CNCs from 5 to 15% proved to be effective in improving mechanicalproperties and decreasing water vaporper-meability, important characteristics in food packaging materials. This study provided an effective method to ob-tain CNCs from the agroindustrial waste and open the way to produce high-value starch based nanocomposites. 650 $aBiopolymers 650 $aFood technology 650 $aMechanical properties 650 $aNanocomposites 650 $aPackaging 653 $aBarrier properties 700 1 $aSILVA, R. B. S. 700 1 $aCARVALHO, C. W. P. de 700 1 $aROSSI, A. L. 700 1 $aTEIXEIRA, J. A. 700 1 $aFREITAS-SILVA, O. 700 1 $aCABRAL, L. M. C. 773 $tInternational Journal of Biological Macromolecules$gv. 159, p. 1048-1061, 2020.
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