Which packaging innovation can detect food spoilage and change color to warn consumers when a product is no longer safe to consume?

In recent years, food packaging has evolved dramatically with innovative technologies designed to extend shelf life, improve food safety, and enhance consumer experience. These 'smart packaging' solutions are transforming how products are preserved, monitored, and marketed. This trivia question explores one of the most groundbreaking innovations in this field that's changing how we interact with packaged foods.

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Time-Temperature Indicators (TTIs)
Radio-Frequency Identification (RFID) embedded packaging
Vacuum-Sealed Intelligent Containers (VSICs)
Biodegradable Nano-Film Technology