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Table 5 Results of ANOVA analysis of a full second-order polynomial model for reaction conditions for the production of D- isoascorbyl palmitate

From: D-isoascorbyl palmitate: lipase-catalyzed synthesis, structural characterization and process optimization using response surface methodology

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
  1. ** Significant at 1% level * Significant at 5% level Adeq Precision=15.9.