New food-packaging technologies are developing in response
to consumers’ growing concern over the safety of foods containing
synthetic chemical preservatives along with the
economic impact of spoiled foods and the demand for minimally
processed foods. Until recently, primary packaging
materials were considered as ‘passive,’ meaning that they
functioned only as an inert barrier to protect the product
against oxygen, odors, light, and moisture. Even though
passive packaging delays the adverse effects of the