Who can say they have never had the experience of being bewildered by the array of icons on a food packet? In France, certification labels are many: Label Rouge, "Bio" (organic certifications), fair trade, made in France, pesticide-free, Bleu-Blanc-Coeur, AOC, nitrate-free... These labels and other mentions are growing ever present on supermarket shelves, with the risk of infringing on consumer understanding and impact.   Among the many la…