Utilize este identificador para referenciar este registo: https://hdl.handle.net/10316/94383
Título: Biodegradable film production from agroforestry and fishery residues with active compounds
Autor: Gaspar, Marisa C. 
Leocádio, João 
Mendes, Cátia V. T. 
Cardeira, Martim
Fernández, Naiara
Matias, Ana
Carvalho, Maria G. V. S. 
Braga, Mara E. M. 
Palavras-chave: Residues; Biorefinery; Packaging system; Chitosan-derivative; Pine stumps; Antioxidant extract
Data: 23-Mar-2021
Editora: Elsevier
Projeto: MultiBiorefinery - Multi-purpose strategies for broadband Agro-forest and fisheries by-products: a step forward for a truly integrated biorefinery 
PEst-C/EQB/UI0102/2019 
UIDB/00102/2020 
UIDB/04462/2020 
UIDP/04462/2020 
CEECIND/00527/2017 
SFRH/BD/139908/2018 
Título da revista, periódico, livro ou evento: Food Packaging and Shelf Life
Volume: 28
Resumo: An increasing interest in food packaging materials without environmental impact and able to improve shelf life has emerged in the last decade. The aim of this work was to produce biodegradable films from agroforestry (pine stumps) and fishery (chitosan) residues with active compounds. N-carboxybutylchitosan (CBC) films were developed with the inclusion of a reinforcing material (cellulose), plasticizers (silicone or glycerol) and/or an antioxidant extract from pine stumps. These films were characterised in terms of physicochemical properties and cytotoxicity. Films with glycerol presented higher elasticity, while pure CBC films showed the most adequate water vapour barrier properties. Films had thickness values (55–70 μm) similar to commercial ones, and slightly hydrophobic properties (contact angles of ~ 84–102 ◦). All films revealed low cytotoxicity, with the exception of the extract-loaded films. However, these have potential to increase food shelf life and decrease photo-oxidation, due to their opacity/brown colour.
Descrição: This paper is dedicated to the memory of A. T. Portugal, the University of Coimbra leader of Multibiorefinery project, for his partnership and commitment
URI: https://hdl.handle.net/10316/94383
ISSN: 2214-2894
DOI: 10.1016/j.fpsl.2021.100661
Direitos: embargoedAccess
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