From: Bioprocess optimization for pectinase production using Aspergillus niger in a submerged cultivation system
Factors
Low level (− 1)
High level (+ 1)
Pectin (g/L)
10.00
30.00
(NH4)2SO4 (g/L)
1.30
3.30
K2HPO4 (g/L)
0.50
1.00
MgSO4.5H2O (g/L)
0.05