Metal-organic frameworks-based innovative materials for active food packaging.

Abstract

The challenge of bacterial and biofilm-induced spoilage during transportation and storage is a significant concern in food preservation, which often resulting in reduced shelf life and enormous economic losses. Metal-organic frameworks (MOFs) with high porosity, extensive specific surface area, structural flexibility, and excellent antimicrobial activity have demonstrated great potential in food industry. The functionalization of packaging materials with metal-organic frameworks (MOFs) significantly promotes food packaging technology, providing active protection to ensure safety and extend shelf life of food. It also introduces smart capabilities for monitoring condition, thereby enhancing efficiency across the food supply chain. This paper aims to provide an updated and comprehensive review of the classification of MOFs utilized in food packaging as well as their diverse applications, such as active food contact materials, controlled release nanosystems for active compounds, food substance sensors, and ethylene absorbers. Moreover, the paper offers perspectives on the future development of MOFs for innovative food application.