CHOCOLATE bars made by York-based Nestlé will contain less sugar from 2018.

Researchers at Nestlé say they have found a way to structure sugar differently, so less is used but the sweetness is “almost identical”.

Stefan Catsicas, Nestlé chief technology officer, said: “This truly groundbreaking research is inspired by nature and has the potential to reduce total sugar by up to 40 per cent in our confectionery.

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"Our scientists have discovered a completely new way to use a traditional, natural ingredient.”