El NO reacciona con el anion superoxido para producir peroxinitrito (ONOO-) y con O2 para generar dioxido de nitrogeno (NO2) y trioxido de dinitrogeno (N2O3) (45,46).
As NO production from nitrite proceeds via HNO2 and N2O3 formation, which are both potent nitrosants [3], it remains to be clarified if one or both these intermediates are involved.