Poly β-Hydroxybutyrate Production by Bacillus subtilis NG220 Using Sugar Industry Waste Water

Table 2

Experimental culture conditions for optimization of various parameters under stationary condition of growth*.

Rigid parameter	Name of the parameter
	Incubation period (h)	pH	Inoculum age (h)	Temperature (°C)
Incubation period (h)	Observed	7	18	30
pH	72	Observed	18	30
Inoculum age (h)	72	7	Observed	30
Temperature (°C)	72	7	18	Observed

∗Production medium containing treated undiluted sugar industry waste water.