Table 3.
Analysis of variance (ANOVA) for the quadratic polynomial model for level optimization of pectic galactan-oligosaccharides (PGOs) using endo-β-1,4-galactanase from C. japonicus.
Source | Adj. Sum of Squares |
Degree of Freedom |
Adj. Mean Square |
F Value | p Value |
---|---|---|---|---|---|
Model | 0.116164 | 7 | 0.016595 | 19.01 | 0.000 |
X1-Temp | 0.019171 | 1 | 0.019171 | 21.97 | 0.000 |
X2-pH | 0.042805 | 1 | 0.042805 | 49.05 | 0.000 |
X3-E/S | 0.013356 | 1 | 0.013356 | 15.30 | 0.001 |
X4-time | 0.004715 | 1 | 0.004715 | 5.40 | 0.029 |
X12 | 0.022792 | 1 | 0.022792 | 26.12 | 0.000 |
X22 | 0.003066 | 1 | 0.003066 | 3.51 | 0.074 |
X1×2 | 0.011536 | 1 | 0.011536 | 13.22 | 0.001 |
Error | 0.020073 | 23 | 0.000873 | ||
Lack of fit | 0.017176 | 17 | 0.001010 | 2.09 | 0.184 |
Pure error | 0.002897 | 6 | 0.000483 | ||
Total | 0.136237 | 30 |