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

Figure 13

Spermine oxidase- (SMO-) catalyzed catabolism of spermine 66 to form H₂O₂, spermidine 67, and 3-aminopropanal 68, which can participate in further reactions leading to ¹O₂ and O₃ formation.