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Modified Atmosphere Packaging ( MAP ) is a proven and effective technology that extends shelf life and reduces food waste . It uses either a single gas or multiple gases to create a protective atmosphere around the enclosed produce . This protective atmosphere , combined with appropriate packaging and temperatures , preserves the taste , safety , and appearance of food .
MAP is a mature market . However , key sector trends such as sustainability , the move from single-use plastic to new packaging materials , and the drive to boost efficiency , mean that it is a solution that must now adapt and evolve . One critical consideration in this evolution is how packaging is used to support the MAP process with different types of products .
The UK plastic packaging tax came into force over a year ago now , but , for us – and others , the research into material alternatives began a decade ago . MAP , alongside biopolymers , was one option explored , but fast forward to the present day and the preferred option is the use of mono materials , rather than multiple layers . This , combined with a reduction in the thickness of the plastic material allows for easier recycling . We ’ re also seeing recyclable PET ( Polyethylene terephthalate ) being increasingly used by the food industry , which supports the move away from single-use plastics .
Using MAP to support the transportation of goods can safeguard products during transit and when they ’ re being stored for longer periods of time , such as in warehouses . With ready-to-eat , cooked or cured foods , the shelf life for transportation within Europe can be up to three weeks plus an extra five days if requested . Despite the trends towards producing local and buying local , MAP is an important consideration amidst economic and social challenges and the demand for low cost , easy to store food .
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