From: Optimization of laccase from Stenotrophomonas maltophilia E1 by submerge fermentation using coconut husk with its detoxification and biodecolorization ability of synthetic dyes
Name of variable with code
Unit
Range and levels
−1
0
 + 1
Coconut husk (A)
g/L
5
10
15
CuSO4 (B)
µM
50
100
150
Yeast extract (C)
2
4
6
pH (D)
5.5
6.5