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Table 2 Independent variables selected for experimental design

From: Enhancing nitrilase production from Fusarium proliferatum using response surface methodology

Factors

Symbols

Code levels

−1

0

+1

Glucose (g/l)

A

40

50

60

Sodium nitrate (g/l)

B

2.0

2.5

3.0

ϵ-Caprolactam (g/l)

C

2.5

3.5

4.5