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Table 3 Summary of purification profile of Aspergillus sp. DHE7 β-glucosidase

From: Optimization of extracellular ethanol-tolerant β-glucosidase production from a newly isolated Aspergillus sp. DHE7 via solid state fermentation using jojoba meal as substrate: purification and biochemical characterization for biofuel preparation

Purification step

Total activity

U

Total protein

(mg)

Specific activity

(U/mg)

Recovery

(%)

Purification

fold

Crude enzyme extract

43653 ± 153

678 ± 5.7

91.3

100

1.0

Ethanol precipitation

40685 ± 132

246 ± 3.8

165.4

93.2

1.8

Dialysis

36974 ± 145

213 ± 2.1

173.6

84.7

1.9

DEAE-Sephadex A-50

28505 ± 105

22.3 ± 0.8

1278.3

65.3

14.0

Sephadex G-100

14731 ± 127

3.8 ± 0.1

3876.6

33.7

42.5

  1. Data are expressed as mean value ± S.D. of triplicate measurements