From: Goat dung as a feedstock for hyper-production of amylase from Glutamicibacter arilaitensis strain ALA4
Variables
Code
Range and levels
− α
− 1
0
+Â 1
+ α
Temperature (°C)
A
37
40
42
45
50
Moisture (%)
B
80
90
100
110
120
Starch (%)
C
0.3
0.5
1
1.5
2
Yeast extract (%)
D
0.1