Journal of Engineering / 2014 / Article / Tab 3

Research Article

Application of Full Factorial Design in Optimization of Solvent-Free Microwave Extraction of Ginger Essential Oil

Table 3

Analysis of variance.

SourceSum of squaresDegree of freedom (df)Mean square value value prob. > Remark

Model0.1770.02497.83<0.0001Significant
A-extraction time0.05110.051202.50<0.0001
B-power0.04810.048193.60<0.0001
C-sample0.02610.026102.40<0.0001
AB0.01610.01662.50<0.0001
AC0.01310.01352.90<0.0001
BC0.01210.01248.400.0001
ABC122.500.0015
Pure error8
Cor total0.1715

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