The decomposition of difference in the absorbance per unit tHim2Oe2iswaasmfeoallsouwreedofdtihreecCtlAy Tbyacthtievidtye.crease in absorbance at 240 nm. The Determination of superoxide dismutase (SOD) activity. Superoxide dismutase (SOD) activity in lung tissue homogenate was assayed ...