Spirulina, the blue colour from algae used in Nestlé’s Smarties, is one of 10 substances used to colour food that faces an uncertain future as its legal status is scrutinised.
As the drive towards natural colours gathers further momentum, manufacturers need to adapt their processes to the challenges this presents. Lou Reade reports
As EFSA called for a reassessment of the safety of 45 authorised colourings used in food, Allison Carvalho looks at the potential health-giving properties of existing products
First it was the Co-op Group, then M&S. As more retailers jump on the 'additive-free' bandwagon, Rebecca Green looks at the challenges facing colour producers
