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
Symbol
Variables
Units
Coded levels
−1
1
A
Sucrose
%
0.1
B
Peptone
C
NaH2PO4
0.01
D
pH
6
8
E
Moisture
90
110