Which of these sustainable food packaging innovations is currently being used commercially by major food brands?

Test your knowledge about revolutionary eco-friendly packaging innovations in the food industry! In recent years, food companies have been racing to develop sustainable alternatives to traditional packaging. From biodegradable materials to edible wrappers, the industry is transforming how our favorite foods reach us while reducing environmental impact. Can you identify which groundbreaking packaging innovation has actually made it to market?

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Mushroom mycelium packaging for fresh produce that biodegrades in home compost within 45 days
Fully edible beverage containers made from seaweed that dissolve in water or can be consumed with the drink
Self-cooling packaging technology that uses chemical reactions to keep foods cold without refrigeration for up to 72 hours
Color-changing smart labels that turn from green to red when food has spoiled, eliminating the need for printed expiration dates