One CAT unit represents the amount of enzyme needed to degrade
1 μmol of H2O2 per min and per mg of total proteins present in the
homogenates, at 30 °C and pH 8.00. One GST unit is the amount of enzyme
necessary to conjugate 1 μmol of 1-chloro-2,4-dinitrobenzene
(Sigma-Aldrich) per min and per mg of total protein present in the homogenates,
at 25 °C and pH 7.00.