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

Figure 3

Extracted ion chromatogram (a) and the corresponding mass spectrum (b) based on the protonated molecular ion at m/z 547 that could arise from Schiff’s base 8 and/or the corresponding Schiff’s base derived from secosterol aldehyde 3.

(a)

(b)