Plastics made from sweet potatoes and thyme is said to provide better barrier protection, so that food will stay fresh for longer. Photo: süskartoffel © karepa, fotolia.com
Researchers from Singapore have created packaging based on shellfish. Photo: Steamed tiger shrimp isolated on white background. © gitusik, fotolia.com
Cheese packaging made from milk protein: it can just be eaten. Photo: American Chemical Society