Table 5 Results of ANOVA analysis of a full second-order polynomial model for reaction conditions for the production of D- isoascorbyl palmitate
Source | Sum of squares | df | Coefficient estimate | F-Value | P-Value |
|---|---|---|---|---|---|
Model | 3798.88 | 9 | 422.10 | 20.35 | 0.0020** |
A | 2285.56 | 1 | 2285.56 | 110.17 | 0.0001** |
B | 203.11 | 1 | 203.11 | 9.79 | 0.0260* |
C | 533.17 | 1 | 533.17 | 25.70 | 0.0039** |
AB | 32.43 | 1 | 32.43 | 1.56 | 0.2665 |
AC | 204.35 | 1 | 204.35 | 9.85 | 0.0257* |
BC | 14.98 | 1 | 14.98 | 0.72 | 0.4343 |
A2 | 87.99 | 1 | 87.99 | 4.24 | 0.0945* |
B2 | 63.87 | 1 | 63.87 | 3.08 | 0.1397 |
C2 | 429.81 | 1 | 429.81 | 20.72 | 0.0061** |
Residual | 103.73 | 5 | 20.75 | ||
Lack of fit | 103.55 | 3 | 34.52 | 374.63 | 0.0027** |
Pure error | 0.18 | 2 | 0.092 | ||
Cor total | 3902.61 | 14 | |||
R-squared | = 0.9734 | Adj-Squared | = 0.9256 | C.V.% = | 6.15 |