New opportunities and advances in quercetin-added functional packaging films for sustainable packaging applications: a mini-review
Abstract
Recently, research on functional packaging films and their application to food preservation has been actively conducted. This review discusses recent advances and opportunities for using quercetin in developing bio-based packaging films for active food packaging. Quercetin is a plant-based yellow pigment flavonoid with many useful biological properties. Quercetin is also a GRAS food additive approved by the US FDA. Adding quercetin to the packaging system improves the physical performance as well as the functional properties of the film. Therefore, this review focused on quercetin's effect on the various packaging film properties, such as mechanical, barrier, thermal, optical, antioxidant, antimicrobial, and so on. The properties of films containing quercetin depend on the type of polymer and the interaction between the polymer and quercetin. Films functionalized with quercetin are useful in extending shelf life and maintaining the quality of fresh foods. Quercetin-added packaging systems can be very promising for sustainable active packaging applications.
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