Du, Hongying, Liu, Chen, Unsalan, Ozan, Altunayar-Unsalan, Cisem, Xiong, Shanbai, Manyande, Anne ORCID: https://orcid.org/0000-0002-8257-0722 and Chen, Hongli (2021) Development and characterization of fish myofibrillar protein/chitosan/rosemary extract composite edible films and the improvement of lipid oxidation stability during the grass carp fillets storage. International Journal of Biological Macromolecules, 184. pp. 463-475. ISSN 0141-8130

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Abstract

Biofilm composition from fish myofibrillar protein (FMP) and chitosan solution (CS) incorporated with rosemary extract (RE) was developed and applied to monitor the freshness of fish fillets. The effects of different concentrations of RE as well as physical, mechanical, structural and functional properties of FMP/CS films were investigated. Films containing RE showed reduced water solubility and water vapor permeability and enhanced tensile strength and elongation at break. Results also showed good compatibility of the components and good dispersion of RE in the matrix. However, the content of RE (0.2%, v/v) added in the composite films produced aggregations and had negative effects on their film-forming properties. The antioxidant capacity of composite films was related to the level of RE and demonstrated by the DPPH (2,2-diphenyl-1-picrylhydrazyl) free radical scavenging assay. Chilled grass carp fillets wrapped with different films to evaluate the preservative effect. Results of thiobarbituric acid reactive substances, pH value, Free amino acid and total volatile basic nitrogen indicated that FMP/CS/RE composite film could protect the fish fillet well and inhibit the lipid oxidation. The developed FMP/CS/RE composite films possess the potential to be applied as edible films in the food packaging industry and food cold chain transportation.

Item Type:	Article
Identifier:	10.1016/j.ijbiomac.2021.06.121
Keywords:	Fish myofibrillar protein, Rosemary extract, Composite edible films
Subjects:	Medicine and health
Related URLs:	Publisher
Depositing User:	Anne Manyande
Date Deposited:	24 Aug 2021 14:41
Last Modified:	06 Feb 2024 16:06
URI:	https://repository.uwl.ac.uk/id/eprint/8195

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