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Table 2 Effect of environmental factors on co-production of various enzymes by A. niger APS

From: A novel multi-enzyme preparation produced from Aspergillus niger using biodegradable waste: a possible option to combat heterogeneous biofilms

Factor

CMCase

FPase

β-Glucosidase

Pectinase

Mannanase

Xylanase

Gluco-amylase

α-Amylase

Alginate lyase

Enzyme activity (IU/ml)

Incubation temperature (°C)

 20

1.44 ± 0.017

0.0

0.17 ± 0.04

4.5 ± 0.98

0.70 ± 0.003

11.33 ± 1.78

0.0

614.9 ± 5.58

0.0

 25

2.45 ± 0.014

0.86 ± 0.024

0.84 ± 0.038

6.55 ± 0.106

2.08 ± 0.014

28.48 ± 0.31

18.42 ± 2.04

2392.3 ± 21.68

1.23 ± 0.04

 30

3.84 ± 0.012

1.21 ± 0.04

3.62 ± 0.028

14.55 ± 0.15

7.33 ± 1.07

39.48 ± 1.32

42.31 ± 2.56

2774 ± 2.67

3.32 ± 0.016

 35

2.26 ± 0.012

0.49 ± 0.026

1.95 ± 0.011

10.75 ± 0.304

3.04 ± 0.028

41.14 ± 1.04

41.87 ± 3.84

2073 ± 18.9

2.72 ± 0.016

 40

2.37 ± 0.014

0.35 ± 0.06

1.85 ± 0.078

5.96 ± 0.098

2.39 ± 0.018

30.39 ± 1.86

36.42 ± 2.03

1182 ± 12.32

1.87 ± 0.011

 50

0.37 ± 0.002

0.0

0.0

0.0

0.47 ± 0.01

0.0

0.0

0.0

0.0

Initial pH

  2.0

0.27 ± 0.06

0.31 ± 0.02

0.0

4.87 ± 0.068

0.38 ± 0.04

23.12 ± 2.14

0.0

433.3 ± 6.45

0.0

  3.0

2.67 ± 0.014

0.53 ± 0.042

2.51 ± 0.012

8.35 ± 0.22

6.30 ± 1.08

31.04 ± 2.86

37.11 ± 3.14

2005.5 ± 23.25

1.26 ± 0.011

  4.0

3.85 ± 0.014

1.24 ± 0.04

3.72 ± 0.20

13.92 ± 0.18

7.58 ± 0.98

41.58 ± 1.12

39.10 ± 4.48

2759.6 ± 30.62

3.26 ± 0.032

  5.0

3.13 ± 0.012

1.02 ± 0.023

3.40 ± 0.012

14.26 ± 0.12

6.67 ± 0.23

41.82 ± 1.56

37.55 ± 2.28

2629.7 ± 35.56

3.53 ± 0.028

  6.0

2.44 ± 0.014

0.98 ± 0.012

2.63 ± 0.025

13.34 ± 0.046

4.28 ± 0.067

42.05 ± 0.067

36.31 ± 1.13

2428.9 ± 27.45

4.48 ± 0.06

  7.0

2.51 ± 0.018

0.92 ± 0.01

1.66 ± 0.015

6.14 ± 0.86

4.46 ± 0.42

48.41 ± 2.13

11.72 ± 1.86

2302.3 ± 20.45

4.73 ± 0.07

  8.0

2.23 ± 0.014

0.89 ± 0.06

1.69 ± 0.011

5.67 ± 0.042

4.26 ± 0.045

48.02 ± 1.12

10.86 ± 1.12

2236.7 ± 24.37

3.52 ± 0.011

  9.0

2.17 ± 0.016

0.77 ± 0.03

1.39 ± 0.012

5.37 ± 0.37

3.52 ± 0.014

44.84 ± 3.86

9.87 ± 0.09

2214.7 ± 36.78

1.72 ± 0.017

  10.0

2.17 ± 0.011

0.73 ± 0.03

0.83 ± 0.011

4.51 ± 0.021

3.12 ± 0.012

42.43 ± 1.07

2.59 ± 0.15

2104.6 ± 27.42

1.12 ± 0.06