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Global food waste is one of the world’s most pressing sustainability challenges. By 2030 the amount of food wasted each year is expected to have risen by a third, when 2.1bn tonnes will either be lost or thrown away, the equivalent of 66 tonnes per second.*

With the Food and Agriculture Organisation stating that a third of all food produced is lost or wasted before it even reaches the mouth of a consumer; the UK’s major retailers and 50% of larger food businesses, have collaborated to embark upon a ground breaking ‘Food Waste Reduction Roadmap’ to halve food waste. Encompassing the entire supply chain from farm to fork, the Roadmap is set to clearly define the actions large businesses will take to address food waste, both in their own operations, and by working to support their suppliers.

From farm to fork, there are many different aspects to enhancing the life of a food product and in doing so reducing food waste, but packaging, and the way it is sealed to maintain the freshness, is an indispensable element.

This need is particularly prevalent within the food-to-go market which, at the end of 2018, was reported to have increased by £2.5 billion in just three years.** Demand for a greater variety of dishes has exploded within this arena over the years and today supermarkets, food retailers and manufacturers are under increasing pressure to stock a diverse range of food-to-go dishes. From salads and sushi to wraps and sandwiches filled with the freshest of ingredients, to hot food-to-go including flavoured porridges and soups, the choice is expanding to meet the diversity of consumer demand.

However, essential ingredients within food-to-go dishes are still contribute to food waste figures, including the 2.6 billion slices of bread which are thrown away each year, along with £370 million worth of salads.***

As a result, demand is increasing for sealing technology solutions such as heat seal packaging and Modified Atmosphere Packaging (M.A.P.) which can significantly extend a product’s shelf life. And WRAP research has revealed that extending the shelf life by just one day could save 250,000 tonnes of food waste in the UK annually.

Choosing the right sealing system, according to Colpac, UK leaders in the design and creation of food packaging solutions, can increase output efficiency and cut the amount of unnecessary food waste when retailers are left with half-filled shelves at the end of the day.

Offering a wide range of sealing machinery, from small table top sealing systems, ideal for delis or cafes to larger, high speed systems for food manufacturers, Colpac’s machinery incorporates the latest technology to extend shelf life.

Depending on the ingredient, heat sealing is an ideal solution for smaller food service operators as it  can increase the shelf life of freshly packed sandwiches, pots of soup or porridge, or trays of pasta salad by two to three days.

For extended shelf-life, machinery which incorporates modified atmosphere packaging (M.A.P.) is an ideal solution as, depending on the ingredient and supply chain conditions, it can increase the shelf life of a product by up to 10 days.

By removing the oxygen within a pack prior to sealing and replacing with an inert gas, M.A.P. can stop, or slow down the spoilage process. The use of this technology enables manufacturers to distribute their products across larger distances, or reduce the frequencies of deliveries made, as customers have a longer time to sell the product. Consequently, this can help manufacturers sell a wider product assortment, simplify production or broaden distribution into more sites.

The use of M.A.P. also reduces the need for artificial preservatives, ideal for retailers looking to eliminate additives from their labels.  

Packaging has played an important role in reducing food waste for centuries, from the introduction of the tin can as a method of food preservation in the 18th century, to the shift in bottling milk in plastic, rather than glass. Today, the design of food packaging solutions encompasses everything from sustainable materials that can be composted and recycled, to materials and machinery that can extend product shelf-life which in turn will reduce food waste.

“Packaging plays an increasingly central role in improving supply chain efficiency and reducing environmental impact. Explains Kate Berry, Colpac’s Head of Marketing & Product. “Selecting the right packaging solution for products and innovations in a market which is changing daily is vital. Therefore, it is essential that we, as food packaging suppliers, support our customers in combining their food with the right packaging solution which will ultimately benefit their consumers, supply chain and waste minimisation policies.”

“This will not only help them increase the efficiency of their business and afford them with the flexibility to change their offering if consumers demand it, but also enable them to succeed in the ongoing battle to provide sustainable packaging solutions and to reduce food waste.”

* Boston Consulting Group (BCG)


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