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Table 6 Effect of different combinations of parameters on lipase production

From: A modeling study by response surface methodology and artificial neural network on culture parameters optimization for thermostable lipase production from a newly isolated thermophilic Geobacillus sp. strain ARM

No.

Temperature (°C)

Volume (ml)

Inoculum Size (%)

Agitation (rpm)

Time (h)

pH

Activity (U ml-1)

1

63

200

4.6

60

43.2

5.4

0.15

2

47

200

2.2

20

24

7.4

0.15

2

53

200

4.2

80

57.6

7

0.15

3

59

65

3.8

100

24

7

0.15

5

45

50

1.8

160

48

6.2

0.2

6

47

80

1.8

180

28.8

6.6

0.2

7

61

50

2.6

60

33.6

5

0.2

8

57

125

3.4

0

72

5.8

0.2

9

47

95

1

20

38.4

6.6

0.3

10

49

50

4.6

0

38.4

5.4

0.3

11

53

80

2.2

100

24

6.2

0.3

12

55

50

3.4

60

28.8

6.6

0.3