The method is restricted to products that can withstand being deformed. The often lumpy package does not make an ideal surface for labelling either. It can be difficult to get attractive presentation of the food. The absence of air increases the shelf life of the product. The film forms itself around the shape of the product. In vacuum packaging the air is sucked out of the flexible film surrounding the produce and the package is then sealed.
High level of quality assurance needed, requiring appropriate investment in equipment.MAP requires a high level of quality assurance: it is vital that the gas mixture is correct and that there are no leaks in the packaging materials. The method is excellent for fresh produce, ranging from meat products to fruit. These gases occur naturally in the atmosphere so they are perfectly safe. Here, a mixture of nitrogen and carbon dioxide may be suitable. Often this means removing most of the oxygen so that microbes that otherwise spoil food cannot survive in the package. Read more about about shelf life in this case study. The aim is to increase the shelf life of the product while maintaining its attractive appearance. The type and amount of gas used in the mixture will depend on the product. In Modified Atmosphere Packaging (MAP) food is packaged in a container such as a plastic tray or bag and the air is flushed out and replaced by a mixture of gases. His primary area of interest is in controlling the consistency and quality of packaging materials and in optimising the packaging process to reduce waste. Anton, founder of the UK-based company Tendring Pacific, has spent 30 years in various areas of the print and packaging industry. Here, Anton Hutson takes us on a tour through the different types of packaging products and methods in today’s market. These range from methods that have been around for more than a hundred years, such as metal cans, bottle and jars, to modern high-tech approaches such as Modified Atmosphere Packaging ( MAP). The Pros and Cons of 7 Types of Food Packaging Explainedįood packaging comes in an amazing array of types.
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