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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. |
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Data corrente: |
18/05/2023 |
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Data da última atualização: |
14/12/2023 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
RODRIGUES, J. P.; COELHO, C. C. DE S.; HIDALGO CHÁVEZ, D. W.; AMANCIO, D.; SOARES, A. G.; FREITAS-SILVA, O. |
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Afiliação: |
JULIANA PEREIRA RODRIGUES, UNIRIO; CAROLINE CORRÊA DE SOUZA COELHO, UNIRIO; DAVY WILLIAM HIDALGO CHÁVEZ, UFRRJ; DAIANA AMANCIO, UNIRIO; ANTONIO GOMES SOARES, CTAA; OTNIEL FREITAS SILVA, CTAA. |
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Título: |
Development and characterization of biocomposite films based on alginate and chitosan for use as postharvest fruit packaging. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
In: CONFERÊNCIA INTERNACIONAL DE PROTEÍNAS E COLOIDES ALIMENTARES, 9., 2023, Rio de Janeiro. Anais... Campinas, Galoá, 2023. |
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Idioma: |
Inglês |
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Notas: |
Poster 157716.Eixo temático: Colóides para filmes comestíveis. CIPCA. |
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Conteúdo: |
Postharvest diseases caused by fungi are reported as one of the main causes of food loss, mainly in the fruit and vegetable (FV) sector. Antimicrobials, such as zinc oxide nanoparticles (ZnOnano) and sodium benzoate (SB), have shown good results as postharvest technology for the FV sector, increasing the food shelf life and reducing losses. This work aimed to develop and characterize films made from sodium alginate and chitosan composites, incorporated with ZnOnano or SB to be used as postharvest fruit packaging. To develop the composite film-forming solutions of alginate (2% m/v) and chitosan (1% m/v) were prepared and mixed in a 9:1 ratio (alginate/chitosan). The alginate crosslinking process was carried out before mixing by crosslinking the polymer with calcium chloride at two different concentrations (0.375% or 0.5%). ZnOnano < 50 nm (0.5 mg/mL) or SB (30 mg/L) were added to the filmogenic solution, plated into Petri dishes, and dried in air circulation oven at 40°C/16 h. The different films obtained were analyzed for their visual appearance, color, opacity, thickness, mechanical properties, humidity, and solubility in water. The statistical analysis was performed by two-way ANOVA, Tukey, and Scott-Knott with 5% of significance. The studied polymeric composition provided plastic and flexible films, with a homogeneous visual appearance regardless of the crosslinking agent concentration or the addition of different antimicrobials. The films added with ZnOnano presented more cohesive appearance than the other films and all of them presented a yellowish color tone, provided by the higher alginate proportion used in the formulation, where the parameter b*, which measures the variation between shades of blue and yellow, showed positive values between 9.31 ± 0.789 and 11.5 ± 3.37. The films showed high transparency, confirmed by the values of low opacity600 nm, lying between 0.99 ± 0,08 and 2.35 ± 1,03. The crosslinking process and the addition of ZnOnano could change the film's physical properties, leaving them with less thickness, higher rupture tension, lower elongation at break, and higher Young's modulus, when compared to non-crosslinked films and without the addition of antimicrobials. The average moisture content of films with lower crosslinking (18.7 ± 1.241%) was higher when compared to the average of films with higher crosslinking (17.11 ± 0.586%). The films incorporated by different antimicrobial agents also showed significant moisture averages when compared to films without them. The addition of antimicrobial agents probably increased the hygroscopicity of the films, and the cross-linking agent concentration did not influence this variable. All films were highly soluble in water (54.9 ± 3.55 - 80.9 ± 11.4%) after 24h indicating that the crosslinking process and the change in the film's structure with ZnOnano, were not enough to make them less soluble. Despite the structural change that occurred in the films with crosslinking and the addition of ZnOnano, new experiments need to be performed, increasing the concentration of the crosslinking agent to reduce the solubility of the films and enable their use as food packaging. MenosPostharvest diseases caused by fungi are reported as one of the main causes of food loss, mainly in the fruit and vegetable (FV) sector. Antimicrobials, such as zinc oxide nanoparticles (ZnOnano) and sodium benzoate (SB), have shown good results as postharvest technology for the FV sector, increasing the food shelf life and reducing losses. This work aimed to develop and characterize films made from sodium alginate and chitosan composites, incorporated with ZnOnano or SB to be used as postharvest fruit packaging. To develop the composite film-forming solutions of alginate (2% m/v) and chitosan (1% m/v) were prepared and mixed in a 9:1 ratio (alginate/chitosan). The alginate crosslinking process was carried out before mixing by crosslinking the polymer with calcium chloride at two different concentrations (0.375% or 0.5%). ZnOnano < 50 nm (0.5 mg/mL) or SB (30 mg/L) were added to the filmogenic solution, plated into Petri dishes, and dried in air circulation oven at 40°C/16 h. The different films obtained were analyzed for their visual appearance, color, opacity, thickness, mechanical properties, humidity, and solubility in water. The statistical analysis was performed by two-way ANOVA, Tukey, and Scott-Knott with 5% of significance. The studied polymeric composition provided plastic and flexible films, with a homogeneous visual appearance regardless of the crosslinking agent concentration or the addition of different antimicrobials. The films added with ZnOnano presented mor... Mostrar Tudo |
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Palavras-Chave: |
Biocomposite; Postharvest. |
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Thesaurus Nal: |
Nanoparticles. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 04021nam a2200217 a 4500
001 2153819
005 2023-12-14
008 2023 bl uuuu u00u1 u #d
100 1 $aRODRIGUES, J. P.
245 $aDevelopment and characterization of biocomposite films based on alginate and chitosan for use as postharvest fruit packaging.$h[electronic resource]
260 $aIn: CONFERÊNCIA INTERNACIONAL DE PROTEÍNAS E COLOIDES ALIMENTARES, 9., 2023, Rio de Janeiro. Anais... Campinas, Galoá$c2023
500 $aPoster 157716.Eixo temático: Colóides para filmes comestíveis. CIPCA.
520 $aPostharvest diseases caused by fungi are reported as one of the main causes of food loss, mainly in the fruit and vegetable (FV) sector. Antimicrobials, such as zinc oxide nanoparticles (ZnOnano) and sodium benzoate (SB), have shown good results as postharvest technology for the FV sector, increasing the food shelf life and reducing losses. This work aimed to develop and characterize films made from sodium alginate and chitosan composites, incorporated with ZnOnano or SB to be used as postharvest fruit packaging. To develop the composite film-forming solutions of alginate (2% m/v) and chitosan (1% m/v) were prepared and mixed in a 9:1 ratio (alginate/chitosan). The alginate crosslinking process was carried out before mixing by crosslinking the polymer with calcium chloride at two different concentrations (0.375% or 0.5%). ZnOnano < 50 nm (0.5 mg/mL) or SB (30 mg/L) were added to the filmogenic solution, plated into Petri dishes, and dried in air circulation oven at 40°C/16 h. The different films obtained were analyzed for their visual appearance, color, opacity, thickness, mechanical properties, humidity, and solubility in water. The statistical analysis was performed by two-way ANOVA, Tukey, and Scott-Knott with 5% of significance. The studied polymeric composition provided plastic and flexible films, with a homogeneous visual appearance regardless of the crosslinking agent concentration or the addition of different antimicrobials. The films added with ZnOnano presented more cohesive appearance than the other films and all of them presented a yellowish color tone, provided by the higher alginate proportion used in the formulation, where the parameter b*, which measures the variation between shades of blue and yellow, showed positive values between 9.31 ± 0.789 and 11.5 ± 3.37. The films showed high transparency, confirmed by the values of low opacity600 nm, lying between 0.99 ± 0,08 and 2.35 ± 1,03. The crosslinking process and the addition of ZnOnano could change the film's physical properties, leaving them with less thickness, higher rupture tension, lower elongation at break, and higher Young's modulus, when compared to non-crosslinked films and without the addition of antimicrobials. The average moisture content of films with lower crosslinking (18.7 ± 1.241%) was higher when compared to the average of films with higher crosslinking (17.11 ± 0.586%). The films incorporated by different antimicrobial agents also showed significant moisture averages when compared to films without them. The addition of antimicrobial agents probably increased the hygroscopicity of the films, and the cross-linking agent concentration did not influence this variable. All films were highly soluble in water (54.9 ± 3.55 - 80.9 ± 11.4%) after 24h indicating that the crosslinking process and the change in the film's structure with ZnOnano, were not enough to make them less soluble. Despite the structural change that occurred in the films with crosslinking and the addition of ZnOnano, new experiments need to be performed, increasing the concentration of the crosslinking agent to reduce the solubility of the films and enable their use as food packaging.
650 $aNanoparticles
653 $aBiocomposite
653 $aPostharvest
700 1 $aCOELHO, C. C. DE S.
700 1 $aHIDALGO CHÁVEZ, D. W.
700 1 $aAMANCIO, D.
700 1 $aSOARES, A. G.
700 1 $aFREITAS-SILVA, O.
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Registro original: |
Embrapa Agroindústria de Alimentos (CTAA) |
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| Registros recuperados : 263 | |
| 121. |  | FARIAS, A. X.; ROBBS, C. F.; FREITAS-SILVA, O.; CHAVES, M. B.; ANDERSEN, P. M.; CORREA, T. B. S. Biosiynthesis of sterigmatocystin by Aspergillus spp. isolated from brazilian post-harvest maize. Journal of Endotoxin Research, New York, v.3, n.1, p.67, 1996. ref. III-68. Suplemento. Edicao de Abstracts (Poster presentations III) da IV Conference of the International Endotoxin Society, 1996, Nagoia, Japao.| Biblioteca(s): Embrapa Agroindústria de Alimentos. |
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| 122. | | TEIXEIRA, A. da S.; FREITAS-SILVA, O.; GODOY, R. L. de O.; VARGAS, E. A; MARTINS, A. Análise e quantificação de aflatoxinas por cromatografia líquida de alta eficiência (CLAE) em amostras de castanha-do-Brasil. Revista de Ciências da Vida, Seropédica, v. 28, p. 22-24, 2008. Suplemento. Edição do XIII Encontro Nacional de Micotoxinas, Rio de Janeiro, ago. 2008.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Agroindústria de Alimentos. |
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| 124. | | COELHO, C. C. DE S.; FREITAS-SILVA, O.; CAMPOS, R. S.; PEREIRA, M. DA S. G.; CABRAL, L. M. C. Efeito do ozônio aquoso para o controle de fungos pós-colheita de morangos frigoconservados. Revista Higiene Alimentar, v. 29, n. 242-243, mar./abr. 2015. VII Congresso Latino-Americano e XIII Congresso Brasileiro de Higienistas de Alimentos, III Encontro Nacional de Vigilância de Zoonoses e V Encontro do Sistema Brasileiro de Inspeção de Produtos de Origem Animal, 2015, Armação de Búzios, RJ. Alimento, promoção da saúde e compromisso sócio ambiental. Búzios, RJ, 2015.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Agroindústria de Alimentos. |
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| 126. | | GUIMARAES, D. de A. B.; SILVA, N. J. de A.; BOQUIMPANI, B.; FREITAS-SILVA, O.; TEODORO, A. J. Effect of coffee extracts submitted at different roasting levels on human prostate cancer cell line(DU-145). In: SIMPÓSIO LATINO AMERICANO DE CIÊNCIA DE ALIMENTOS , 12., 2017, Campinas. Ciência de Alimentos e seu Impacto no Mundo em Transformação. Campinas: UNICAMP, 2017. SLACA, 12. De 4 a 7 de Novembro de 2017. Ref. 71838.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Agroindústria de Alimentos. |
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| 127. | | ROSSETTO, C. A. V.; LIMA, T. de M.; VIEGAS, E. de C.; FREITAS-SILVA, O.; BITTENCOURT, A. M. Efeito da calagem, da colheita e da secagem na qualidade sanitária de amendoim na seca. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 38, n. 5, p. 567-573, maio 2003 Título em inglês: Effect of lime application, harvest and drying on the sanitary quality of dry-season peanut.| Biblioteca(s): Embrapa Unidades Centrais. |
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| 130. | | PORTO, Y.; TROMBETE, F.; CASTRO, I. M. de; FRAGA, M.; FREITAS-SILVA, O.; ASCHERI, J. L. R. Gaseous ozonation to reduce aflatoxins levels and microbial contamination in corn grits. In: INTERNATIONAL CONFERENCE ON FOOD CONTAMINANTS, 1., 2017, Portugal. Climate change and food safety: Challenges in the near future: Book of abstratcs. Portugal: Universidade do Minho, 2017. Poster 4.20. p. 98| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Agroindústria de Alimentos. |
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| 131. | | ANDRADE, M. T. de; TEIXEIRA, A. da S.; GODOY, R. L. de O.; FREITAS-SILVA, O.; VARGAS, E. A. Desenvolvimento de metodologia para detecção de aflatoxinas em castanha-do-Brasil por Cromatografia Líquida de Alta Eficiência. In: ENAAL, 15.; CONGRESSO LATINO AMERICANO DE ANALISTAS DE ALIMENTOS, 15., 2007, Fortaleza. Anais... Fortaleza: LACEN: UFC, 2007. 1 CD-ROM.| Tipo: Artigo em Anais de Congresso / Nota Técnica | Circulação/Nível: -- - -- |
| Biblioteca(s): Embrapa Agroindústria de Alimentos. |
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| 132. | | REGIS, S. A.; FREITAS-SILVA, O; CENCI, S. A.; SOUZA, H. P. de; OLIVEIRA, C. M. de; VAZ, S. G. Determinação de concentrações de sanitizante clorado no tratamento pós-colheita de morango cultivar Oso Grande minimamente processado e in natura. In: SIMPÓSIO NACIONAL DO MORANGO, 3.; ENCONTRO SOBRE PEQUENAS FRUTAS E FRUTAS NATIVAS DO MERCOSUL, 2., 2006, Pelotas. Resumos... Pelotas: Embrapa Clima Temperado, 2006. p. 121-126.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Agroindústria de Alimentos. |
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| 133. | | REGIS, S. A.; FREITAS-SILVA, O.; CENCI, S. A.; SOUZA, H. P. de; OLIVEIRA, C. M. de; VAZ, S. G. Determinação de concentrações de sanitizante clorado no tratamento pós-colheita de morango cultivar Oso Grande minimamente processado e in natura. In: SIMPÓSIO NACIONAL DO MORANGO, 3.; ENCONTRO SOBRE PEQUENAS FRUTAS E FRUTAS NATIVAS DO MERCOSUL, 2., 2006, Pelotas. Resumos... Pelotas: Embrapa Clima Temperado, 2007.| Tipo: Artigo em Anais de Congresso / Nota Técnica | Circulação/Nível: -- - -- |
| Biblioteca(s): Embrapa Agroindústria de Alimentos. |
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| 135. | | RODRIGUES, J. P.; COELHO, C. C. DE S.; HIDALGO CHÁVEZ, D. W.; AMANCIO, D.; SOARES, A. G.; FREITAS-SILVA, O. Development and characterization of biocomposite films based on alginate and chitosan for use as postharvest fruit packaging. In: CONFERÊNCIA INTERNACIONAL DE PROTEÍNAS E COLOIDES ALIMENTARES, 9., 2023, Rio de Janeiro. Anais... Campinas, Galoá, 2023. Poster 157716.Eixo temático: Colóides para filmes comestíveis. CIPCA.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Agroindústria de Alimentos. |
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| 136. | | COSTA, R. A.; FARIAS, A. X. de; CORREA, T. B. S.; SOUZA, M. de L. M. de; FREITAS-SILVA, O. Verificação da adoção das boas práticas agrícolas em café mediante a aplicação de questionário socio-econômico em propriedades produtoras de café. In: SIMPÓSIO DE PESQUISA DOS CAFÉS DO BRASIL, 3., 2003, Porto Seguro. Anais... Brasília, DF: Embrapa Café, 2003. p. 269-270.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Agroindústria de Alimentos. |
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| Registros recuperados : 263 | |
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