Design and development of an edible coating for a ready-to-eat fish product
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Date
2024-01-27
Authors
Bremenkamp, Ina
Sousa-Gallagher, Maria J.
Journal Title
Journal ISSN
Volume Title
Publisher
MDPI
Published Version
Abstract
The application of chitosan and alginate coatings for a ready-to-eat (RTE) baked fish product was studied. An experimental design was used to investigate the effect of coating a polysaccharide concentration and glycerol addition on the safety (microbial growth) and quality (water loss and lipid oxidation) of an RTE fish product under optimal and abused storage conditions. The results showed that a chitosan coating with 1% (w/v) chitosan in 1% (v/v) acetic acid and 15% (w/w chitosan) glycerol, or a 1% (w/v) alginate coating with no glycerol and no crosslinking, showed the best performance in controlling the tested safety and quality parameters. The desirability method was used to identify the shelf lives of chitosan, alginate, and double-coated RTE products. The chitosan-coated samples showed the best performance with a three-fold shelf-life extension compared to the uncoated products stored at 4 °C. Moreover, the tested coatings demonstrated their ability to provide protective functions under abused storage conditions. These results strongly suggest that edible coatings have significant potential in enhancing the shelf life and safety of ready-to-eat (RTE) fish products.
Description
Keywords
Edible coating , Chitosan , Sodium alginate , Food quality , Shelf life , RTE fish products
Citation
Bremenkamp, I. and Sousa-Gallagher, M. J. (2024) 'Design and development of an edible coating for a ready-to-eat fish product', Polymers, 16(3), 346 (16pp). https://doi.org/10.3390/polym16030346