Chitinase from a Novel Strain of Serratia marcescens JPP1 for Biocontrol of Aflatoxin: Molecular Characterization and Production Optimization Using Response Surface Methodology
Table 2
ANOVA of chitinase activity for the RSM parameters fitted to second-order polynomial equation.
Source of variation
DF
SS
MS
value
value
Model
14
519.02
37.073
93.19
0
1
17.323
17.323
43.54
0
1
425.294
425.294
1069.05
0
1
2.581
2.581
6.49
0.022
1
55.724
55.724
140.07
0
1
5.105
7.303
18.36
0.001
1
0.362
1.036
2.6
0.126
1
0.658
1.326
3.33
0.087
1
10.522
10.522
26.45
0
1
0.092
0.092
0.23
0.638
1
0.311
0.311
0.78
0.39
1
0.095
0.095
0.24
0.632
1
0.023
0.023
0.06
0.812
1
0.494
0.494
1.24
0.282
1
0.439
0.439
1.1
0.309
Residual
16
6.365
0.398
Lack of fit
10
5.451
0.545
3.58
0.066
Pure error
6
0.914
0.152
Total
30
525.385
; DF: degrees of freedom; SS: sum of squares; MS: mean square; Adj .
