Review Article

Endogenous Generation of Singlet Oxygen and Ozone in Human and Animal Tissues: Mechanisms, Biological Significance, and Influence of Dietary Components

Figure 7

Formation of 1O2 during the oxidation of tryptophan 19 via dioxetane 24 [32, 33] and formation of O3 by 1O2-mediated deoxidation of intermediates 23 and 26 [34]. The asterisk indicates that the carbonyl is in excited state.