Substrate   Activity   Concentration of pNPP   Activity
  Adenosine Triphosphate   3.9±0.26   0.02%   3.6±0.1
  Para-nitrophenol Phosphate(pNPP)   5.9±0.72   0.06%   4.2±0.1
  Sodium Phosphate   2.2±0.2   0.10%   5.9±0.5
  Calcium Phosphate   1.8±0.72   0.14%   6.0±0.4
  Potassium Phosphate   1.8±0.10   0.18%   6.2±0.2
  -   3.6±0.10   0.20%   6.0±0.23
Table 1: The effect of phosphates on production of enzyme.