Aug 2026· International Journal of Biological Macromolecules· Vol 379, pp.
154047
· 0 citations· 38 references
Medicine
Abstract
The spoilage of shrimp is primarily caused by the rapid proliferation of microorganisms. Therefore, the development of packaging materials with active antibacterial properties is a key strategy for controlling quality deterioration. The Gold nanostars@Co-based metal-organic framework (Au@Co-MOF) nanozyme exhibited excellent oxidase-like (OXD) activity. Based on this, this study prepared antibacterial composite films containing Au@Co-MOF using a chitosan/ gelatin (CS/Gel) blend as the film-forming matrix. The incorporation of Au@Co-MOF and the composite of CS and Gel improved the mechanical, barrier, and antibacterial properties of the films. Compared with the commercial film, the CS/Gel/Au@Co-MOF (CGA) film substantially retarded the increase in total volatile base nitrogen (TVB-N) and total viable count (TVC), and better preserved the sensory quality of shrimp during 4 °C storage. In summary, the antibacterial packaging system developed in this study offers a promising solution for achieving efficient preservation of shrimp.
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