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Table 4 Summary of purification steps of β-galactosidase from A. niger

From: Optimization and partial purification of beta-galactosidase production by Aspergillus niger isolated from Brazilian soils using soybean residue

Purification steps Protein (mg/mL) Activity (UI/mL) Specific activity (UI/mg) Yield (%) Purification (fold)
Crude 0.150 26.000 173.333 100.000 1.000
< 100 0.144 24.000 166.667 92.308 0.962
> 30 0.065 23.440 360.615 90.154 2.080
S-200 0.0075 6.570 876.000 25.269 5.054
DEAE 0.003 4.506 1502.000 17.331 8.665