Abstract
Sodium Copper Chlorophyllin (Cu-Chl) is a food colorant that is more stable and cheaper than natural chlorophyll. Chemically it is composed by several clorins, particularly Cu(II)chlorin e4 and Cu(II)chlorin e6. In addition of its uses as a food colorant, it has a long history os use in popular medicine as healing and deodorant in ostomy patients. However, over the last 15 years, studies …