Smart packaging film 'lights up' under UV as meat loses freshness

Food spoilage causes chemical changes that are not always easy to detect by appearance alone. To provide a clearer indication of freshness and quality, researchers at Kyushu University have developed a smart packaging film that changes color and glows under ultraviolet (UV) light This story matters for Science & Discovery readers tracking engineering. Reported by phys.org. Read the full original at the source link below.