Step Total Activity Specific Activity Yield
units units/mg %
filtrate of pea seedling homogenate 28204.22 1.08 100
30% A.S.1 fractionation 25941.98 1.23 92
70% A.S. fractionation 23173.61 3.62 82.3
DEAE-cellulose chromatography 14638.97 4.07 52
Sephadex G-200 chromatography 13143.66 8.85 46.6
1:ammonium sulfate
Table 1: Purification steps of PSAO. The data have been normalized to a starting value of 1 kg of plant tissue.