40. Both red dye No. 3, also known as erythrosine, and red dye No. 40, or Allura Red, are synthetic color additives derived from petroleum. These chemical substances provide foods with a vibrant ...
Similarly, if red dye No. 40 isn't on the list, it might be seen under its alternate label -- Allura Red. Erythrosine is lighter in color and produces a cherry-like hue, whereas Allura Red is ...