Figure 5

Time-dependent changes in the amount of SQOOH isomers in SQ samples oxidized by singlet oxygen oxidation in the presence of 10 mM EP and 0 (control), 1, 10, 100, or 1,000 μM either β-Car (A) or α-Toc (B). All samples were prepared in triplicate, and bars denote mean ± SE.