Ji'An ZhongXiang Natural Plants Co.,Ltd. , https://www.jazxnaturaloils.com Toxinalert Canada developed a new packaging material that can detect pathogenic bacteria, using a protein-based antibody testing system. The package material can detect Salmonella, Campylobacter, E. coli 0157, and Listeria. The color change reaction occurs when the package comes into contact with contaminated food. The package can also be used to detect protein properties of pests or genetically engineered foods. Packing material can be processed into any shape, suitable for different product needs. 80% of the composition of the polymer film, the other is metal foil and plate.