A review on chlorophyll-based active and intelligent packaging: chemistry, stability and applications in food freshness monitoring

Key Points

• This review aims to explore chlorophyll's properties and applications in food packaging for freshness monitoring.
• Reviewed existing literature on chlorophyll's chemistry and stability
• Analyzed its active and intelligent packaging properties
• Examined applications in food freshness monitoring
• Chlorophyll exhibits antioxidant and antimicrobial properties, enhancing food safety
• Its pH-sensitive nature enables real-time freshness monitoring
• Sustainable packaging solutions can be developed using chlorophyll as a functional component