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Table 1 The design table of central composite design (CCD)

From: A bifunctional enzyme belonging to cytochrome P450 family involved in the O-dealkylation and N-dealkoxymethylation toward chloroacetanilide herbicides in Rhodococcus sp. B2

Symbols

Factors

Levels of variables

− Alpha

Low (− 1)

Medium (0)

High (1)

 + Alpha

A

pH

5.3

6

7

8

8.7

B

Temperature (℃)

21.6

25

30

35

38.4

C

Inoculation (g/L)

0.03

0.1

0.2

0.3

0.37