Food retailers, manufacturers, and producers are enacting clean label guidelines. The term “clean label” is not uniformly defined, but it usually implies that there are no added artificial preservatives, flavors, colors, binding agents, and often, other specific ingredients. Removing ingredients intended to preserve food safety and quality while maintaining equivalent shelf life places new demands on packaging technologies. Active packaging and entwined package and post-processing solutions play vital roles in providing shelf life for clean label products. In fact, freezing, active packaging, microwave-assisted pasteurization systems (MAPS), and other technologies are being used to extend the shelf life of clean label products, and they demand refined packaging solutions.
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