ABSTRACT
Developing innovative packaging films is of great significance for extending the shelf-life of perishable fruit. In this study, we successfully synthesized antibacterial composites by incorporating Fe into reduced graphene oxides (rGO) and MoS2. The resulting rGO-MoS2-Fe2O3 composites demonstrated effective inhibition against E. coli and S. aureus. After investigating the antibacterial mechanism of rGO-MoS2-Fe2O3 composites, we utilized carboxymethyl cellulose (CMC) as a film substrate to create CMC films infused with rGO-MoS2-Fe2O3 composites. The incorporation of rGO-MoS2-Fe2O3 composites decreased the light transmittance and hygroscopicity of CMC films, while greatly enhancing the mechanical properties of CMC films. To evaluate the practical applications of these rGO-MoS2-Fe2O3-based CMC films, we conducted a strawberry preservation experiment, which revealed that CMC films supplemented with 5 wt% rGO-MoS2-Fe2O3 exhibited exceptional performance in preventing weight loss and maintaining total titratable acidity levels in strawberries. These findings highlighted the promising potential of rGO-MoS2-Fe2O3-based CMC films for fruit preservation applications.
Acknowledgments
We would like to say thanks to Prof. Longfeng Wang for helping us to prepare the packaging films.
Disclosure Statement
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.