From: Bioprospecting of novel thermostable β-glucosidase from Bacillus subtilis RA10 and its application in biomass hydrolysis
Process variable
Range and level
− 1
0
+ 1
A
Paddy straw (%, w/v)
1
2
3
B
Beef extract (%, w/v)
0.1
0.25
0.4
C
PEG 6000 (%, v/v)
D
NaNO3 (%, w/v)