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

Table 3

Calculated concentration effect, standard error, -value, value, and confidence level.

Components	Concentration effect	Standard error	-value	value	Confidence (%)
Soluble starch	1.6299	0.4797	3.3971	0.0193	98.06
Rice flour	1.2091	0.4797	2.5200	0.0531	94.68
Corn flour	1.5145	0.4797	3.1566	0.0251	97.48
Peptone	−1.4823	0.4797	−3.0895	0.0272	97.28
Yeast extract	1.8579	0.4797	3.8723	0.0117	98.82
Soybean meal	1.1973	0.4797	2.4955	0.0547	94.52
Casein hydrolysate	0.5583	0.4797	1.1636	0.2970	70.29
Ammonium sulfate	−2.6571	0.4797	−5.5381	0.0026	99.73
Ammonium nitrate	−2.6921	0.4797	−5.6110	0.0025	99.75
K2HPO4	1.5881	0.4797	3.3100	0.0212	97.87
MgSO4⋅7H2O	0.0293	0.4797	0.0610	0.9536	4.63
CaCl2⋅2H2O	0.5505	0.4797	1.1473	0.3031	69.68
FeSO4⋅7H2O	0.0891	0.4797	0.1857	0.8599	14.00
Tween-80	0.4845	0.4797	1.0098	0.3589	64.10