tartrazine powder in wooden plate. food coloring. food additive e102. tartrazine is a synthetic

food coloring dye e102 yellow tartrazine powder wooden plate top view additive pigment riboflavin phosphate sodium curcumin quinoline carmine chemical cosmetic industry trisodium pyrazole carboxylate color potential allergy ingredient allergen risk hazard synthetic 19140 fdamp lemon instant pharmaceutical products white background azo fdc plate coloring e102