Screening and Selection of Medium Components for Cyclodextrin Glucanotransferase Production by New Alkaliphile Microbacterium terrae KNR 9 Using Plackett-Burman Design

Table 1

Variables showing medium components used in Plackett-Burman design.

Variables	Medium components	(−) Lower concentration (g/L)	(+) Higher concentration (g/L)
	Soluble starch	1.0	10.0
	Rice flour	0.0	10.0
	Corn flour	0.0	10.0
	Peptone	1.0	10.0
	Yeast extract	1.0	10.0
	Soybean meal	0.0	10.0
	Casein hydrolysate	0.0	10.0
	(NH4)2SO4	0.0	2.5
	(NH4)NO3	0.0	2.5
	K2HPO4	0.2	2.0
	MgSO4⋅7H2O	0.025	0.25
	CaCl2⋅2H2O	0.0	0.1
	FeSO4⋅7H2O	0.0	0.1
	Tween-80	0.0	100 (μL)