Optimization of Inulinase Production from Garlic by Streptomyces sp. in Solid State Fermentation Using Statistical Designs

Table 1

Nutrient screening using a Plackett-Burman design.

Variable		Levels (mg/g dry substrate)
Nutrient code	Nutrient	Low (−1)	High (+1)
A	Yeast extract	1.0	5.0
B	Beef extract	5.0	15.0
C	MnSO4·7H2O	10.0	50.0
D	K2HPO4	2.0	7.0
E	Soya bean cake	40.0	80.0
F	MgSO4·7H2O	0.2	1.2
G	NH4Cl	1.0	3.0
H	KCl	0.5	1.5
J	(NH4)2HPO4	5.0	30.0
K	NH4NO3	5.0	10.0
L	ZnSO4·7H2O	10.0	50.0
M	(NH4)2SO4	6.0	10.0
N	Corn steep liquor	40.0	80.0
O	Peptone	5.0	15.0
P	Dextrose	10.0	30.0
Q	FeSO4·7H2O	0.05	2.0
R	KH2PO4	10.0	60.0
S	Urea	10.0	30.0