Sample Activity (U/ml) Protein content (mg/ml) Specific activity (U/mg) Purification fold
Crude fermented Extract 1160 2.6 446 1
30-80% (NH4)2SO4 saturation 6820 4.1 1664 3.7
DEAE cellulose chromatography (Flow through) 4259 1.6 2662 6
Table 2: Partial Purification of amylase from Bacillus subtilis (ATCC 6633) fermented extract .