Table 1: Adding reagents for SOD activity assay.

Reagent (mL)Tube no.
1234

50 mmol/L phosphoric acid solution1.51.51.51.5
130 mmol/L methionine0.40.40.40.4
750 μmol/L NBT solution0.40.40.40.4
100 μmol/L EDTA-Na2 solution0.40.40.40.4
200 μmol/L lactoflavin0.40.40.40.4
Crude enzyme extracting0.10.100
Distilled water0.50.50.60.6