Oil packaging bag (IMAGE) Society of Chemical Industry Caption By incorporating soy protein into the structure and coating it with an oil-resistant composite, the CUHK team successfully created an edible, transparent, and robust BC-based composite packaging. Credit To Ngai Usage Restrictions Free to use License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.