Modified Atmosphere Packaging (MAP) is well established in the food industry and continues to gain in importance. MAP means, that the natural ambient air in the package is replaced by a gas or gas mixture, often nitrogen and carbon dioxide. This packaging under a protective atmosphere preserves the quality of fresh produce over a longer period of time, extends shelf life, and gives food producers access to a geographically larger market for perishable products. This is suitable for meat and sausage products, fish, dairy products, bread, fruit and vegetables and convenience products.