<prompt> Which is the marker for lipid peroxidation:CatalaseGlutathione reductaseMaltaseMalon dialdehyde  <response>: MDA Malon dialdehyde is also considered the marker of lipid peroxidation. Other products of peroxidation are:- Oxidized LDL Oxysterols Prostanoids. WITH REGARDS TO OTHER OPTIONS: Option a b-Catalase and Glutathione reductase are preventive antioxidants that causes breakdown of H2O2. Option c-Maltase enzyme breaks alpha 1 - 4 bonds of maltose, releasing many Monosaccharides, i.e. glucose. 