They claim it could significantly reduce the amount of wasted bread, which in the UK alone amounts to almost a third of all loaves purchased. The technique can also be used with a wide range of foods including fresh turkey and many fruits and vegetables.
Food waste is a massive problem in most developed countries. In the US, figures released this year suggest that the average American family throws away 40% of the food they purchase - which adds up to $165 billion annually.
Bread is a major culprit, with 32% of loaves purchased in thrown out as waste when they could be eaten.
One of the biggest threats to bread is mould. As loaves are usually wrapped in plastic, any water in the bread that evaporates from within is trapped and makes the surface moist. This provides excellent growing conditions for Rhizopus stolonifer, the fungus that leads to mould.
In normal conditions bread will go moldy in around 10 days.
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