Why blueberries are blue — scientists have the answer

Now researchers are looking at ways of recreating this coloured wax layer in artificially engineered materials

Researchers have shed light on what gives blueberries their distinctive colour, despite dark red pigment in their skin. Picture: Nicholas.T.Ansell/PA Wire

Researchers have shed light on what gives blueberries their distinctive colour, despite dark red pigment in their skin.

According to the findings, tiny structures in the wax coating of the berries are behind their appearance.