Table 1.

Levels for variables in the central composite design experiments

Variable	Level
	− α	− 1	0	+ 1	+ α
Temperature (°C)	30.6	25.0	30.3	35.5	39.9
OD600 at induction	0.29	0.50	0.75	1.00	1.21
[Arabinose] (% w/v)	0.000	0.059	0.130	0.200	0.259