Research Article

Optimization of Ultrasound-Assisted Extraction of Morphine from Capsules of Papaver somniferum by Response Surface Methodology

Table 4

The analysis of variance (ANOVA) for the quadratic equations of design expert 8.0.7.1 for the EY.

SourceSum of squaresdfMean square-value value
prob. >

Model5.65140.4023.46<0.0001
-Slv./Sld.0.4410.4425.620.0002
-pH0.1810.1810.460.0060
-Time0.005210.00520.300.5909
-Temp.0.1310.137.690.0150
0.1110.116.330.0247
0.02010.0201.140.3039
0.1010.105.950.0286
0.04410.0442.560.1317
0.007210.00720.420.5275
0.05510.0553.210.0949
0.004410.00440.260.6193
3.8513.85223.44<0.0001
0.03210.0321.840.1961
0.1910.1911.070.0050
Residual0.24140.017
Lack of fit0.23100.0236.150.0475
Pure error0.01540.0037
Cor. total5.8928

df, degrees of freedom.
Cor., totals of all information corrected for the mean.