The invention described herein provides a modified material is a packaging material in which, at least one side, the product contact side, has been modified to sequester ions in order to prevent the ions from being available to promote degradative reactions in biological or chemical products such as food, beverages, pharmaceuticals, neutraceuticals, cosmetics, paints and chemicals. The invention described herein also includes methods of making the packaging materials and methods of using the packaging materials for preserving the integrity of biological and chemical compounds.