Thiobarbituric acid reactive substances

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Thiobarbiturate reactive substances (TBARS) are the low-molecular-weight end products, whose main component is malondialdehyde, that are formed during the decomposition of lipid peroxidation products. These compounds react with thiobarbituric acid to form a fluorescent red adduct which can be measured spectrometically. The plasma or urine concentration of the thiobarbiturate reactive substances (TBARS) is used as an index of lipid peroxidation and oxidative stress.

Assay to measure TBARS: http://www.amdcc.org/shared/showFile.aspx?doctypeid=3&docid=33