The production of malondialdehyde (MDA) is used as a biomarker to measure the level of lipid peroxidation. Briefly, to evaluate the lipid peroxidation products (MDA), 1.0 mL of 20% trichloroacetic acid and 1.0 mL of 1% thiobarbituric acid reactive substances (TBARS) were added to 100 μL of a supernatant, mixed, then incubated at 100°C for 80 minutes. After cooling on ice, the samples were centrifuged at 3000 rpm for 20 minutes and the absorbance of the supernatant was read at 532 nm (10).
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