Table 1 Level of Box-Behnken design factors.

From: Screening of cellulose-degrading bacteria and optimization of cellulase production from Bacillus cereus A49 through response surface methodology

Factor

Level

A: Substrate concentration/C

1

2

3

B: Inoculation volume/mL

2

5

8

C: Temperature/°C

30

37

44

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