Lysine Reacts with Cholesterol Hydroperoxide to Form Secosterol Aldehydes and Lysine-Secosterol Aldehyde Adducts

Figure 4

Extracted ion chromatogram (a) and the corresponding mass spectrum (b) based on the molecular ion at m/z 563 that could arise from amide adduct 10 or from the corresponding amide adduct from secosterol aldehyde 3.

(a)

(b)