Enhancing refrigerated chicken breasts preservation: Novel composite hydrogels incorporated with antimicrobial peptides, bacterial cellulose, and polyvinyl alcohol.

Int J Biol Macromol

Department of Food Science and Engineering, Zhejiang-Malaysia Joint Research Laboratory for Agricultural Product Processing and Nutrition, Zhejiang Provincial Key Laboratory of Animal Protein Food Intensive Processing Technology, Ningbo University, Ningbo 315800, PR China; College of Food Science and Technology, Nanjing Agricultural University, Nanjing, 210095, PR China; Ningbo Key Laboratory of Detection, Control, and Early Warning of Key Hazardous Materials in Food, Ningbo Academy of Product and Food Quality Inspection (Ningbo Fibre Inspection Institute), Ningbo 315048, PR China. Electronic address:

Published: November 2024

AI Article Synopsis

  • * The hydrogel showed great structural and mechanical properties, including a porous network and biocompatibility, and was effective in inhibiting harmful bacteria like Staphylococcus aureus and Escherichia coli.
  • * Results indicated that this innovative packaging material could extend the shelf life of refrigerated chicken breast by up to 12 days, highlighting its potential for practical use in the food industry.

Article Abstract

Microbial contamination annually leads to substantial food resource loss. Effective food packaging can mitigate food contamination and waste, yet conventional materials such as plastics often lack bacteriostatic activity. This study aimed to synthesise FengycinA-M3@bacterial cellulose@polyvinyl alcohol composite hydrogels via dual cross-linking with hydrogen and borate bonding, with the goal of enhancing antibacterial properties and prolonging the preservation period of refrigerated chicken breast. The composite hydrogel was subjected to comprehensive characterisation for structural, mechanical, water absorption, slow peptide release, antimicrobial capacity, biocompatibility, and chicken breast freshness preservation. The results showed that the composite hydrogel had a porous network structure and excellent gel elasticity and biocompatibility. It was effective in inhibiting Staphylococcus aureus and Escherichia coli, and prolonged the storage time of frozen chicken breast for up to 12 days. These findings emphasise the potential of hydrogel food packaging to prolong storage periods and its suitability for food industry applications due to ease of manufacture.

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Source
http://dx.doi.org/10.1016/j.ijbiomac.2024.136505DOI Listing

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