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

Figure 2

Extracted ion chromatogram (a) and the corresponding mass spectrum (b) based on the protonated molecular ion at m/z 565 that could arise from carbinolamine 7 or the corresponding carbinolamine from secosterol aldehyde 3.

(a)

(b)