Improved Rifamycin B Production by Nocardia mediterranei MTCC 14 under Solid-State Fermentation through Process Optimization
Table 3
ANOVA of Plackett-Burman design test data for the significant production parameters.
Source
SS
df
MS
value
value
Model
33.52
11
3.35
264.42
0.0478
Glucose
6.29
1
6.29
496.49
0.0286
Maltose
0.34
1
0.34
26.56
0.1220
Ribose
7.86
1
7.86
619.88
0.0256
Galactose
9.21
1
9.21
726.23
0.0236
Beef extract
0.56
1
0.56
44.10
0.0951
Peanut meal
1.98
1
1.98
155.93
0.0509
Ammonium chloride
1.09
1
1.09
85.68
0.0685
Ammonium sulphate
0.057
1
0.057
4.53
0.2796
Barbital
0.013
1
0.013
3.78
0.9522
pH
6.06
1
6.06
478.38
0.0291
Moisture content
0.082
1
0.082
6.44
0.2389
= 0.9996
Galactose, ribose, glucose, and pH were significant ( < 0.05). SS: sum of square, MS: mean of square, df: degree of freedom, value: Fisher’s value, and : probability.