From: Novel Bacillus subtilis IND19 cell factory for the simultaneous production of carboxy methyl cellulase and protease using cow dung substrate in solid-substrate fermentation
Variables
Symbol
Coded values
−α
−1
0
1
+α
pH
A
6.32
7
8
9
9.68
Peptone
B
−0.21
0.1
0.55
1.31
NaH2PO4
C