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Table 2 Effect of incubation time, temperature and pH on tannase activity

From: High-level tannase production by Penicillium atramentosum KM using agro residues under submerged fermentation

 

Tannase activity (U/ml)

Amla leaves

Keekar leaves

Time (h)

 24

9.551 ± 0.561

9.223 ± 0.476

 48

15.015 ± 0.578

17.462 ± 0.723

 72

24.024 ± 0.342

27.54 ± 0.551

 96

16.65 ± 0.492

13.42 ± 0.615

 120

8.71 ± 0.782

6.85 ± 0.429

Incubation temperature (°C)

 20

10.62 ± 0.546

12.52 ± 0.563

 25

13.23 ± 0.436

18.523 ± 0.435

 30

28.42 ± 0.567

30.142 ± 0.437

 35

19.76 ± 0.546

21.274 ± 0.589

 40

6.7 ± 0.716

5.67 ± 0.527

 45

2.455 ± 0.654

2.65 ± 0.824

pH

 5

22.7 ± 0.662

16.4 ± 0.456

 5.5

28.56 ± 0.456

20.15 ± 0.527

 6

20.43 ± 0.428

21.58 ± 0.432

 6.5

15.77 ± 0.675

24.3 ± 0.783

 7

10.15 ± 0.768

25.65 ± 0.832

 7.5

7.431 ± 0.412

30.75 ± 0.671

 8

4.34 ± 0.582

21.27 ± 0.835