Mechanochemical-assisted extraction and enzymatic hydrolysis of calcium phytate from defatted rice bran

Chemical and Biological Technologies in Agriculture

Table 5 Results of the variance analysis of regression model for the extraction yield of calcium phytate

Source	df	Sum of squares	Mean square	F-value	Prob > F
Model	14	0.45	0.032	165.88	< 0.0001**
X₁	1	0.072	0.072	370.86	< 0.0001**
X₂	1	0.056	0.056	287.78	< 0.0001**
X₃	1	0.063	0.063	323.16	< 0.0001**
X₄	1	0.025	0.025	130.57	< 0.0001**
X₁ X₂	1	1.600E-003	1.600E-003	8.61	0.0109*
X₁ X₃	1	1.849E-003	1.849E-003	9.47	0.0082**
X₁ X₄	1	9.000E-004	9.000E-004	4.61	0.0498*
X₂ X₃	1	2.352E-003	8.100E-003	12.05	0.0037**
X₂ X₄	1	6.250E-004	6.250E-004	3.20	0.0952
X₃ X₄	1	7.562E-004	7.562E-004	3.87	0.0691
X₁²	1	0.058	0.058	65.34	< 0.0001**
X₂²	1	0.15	0.15	21.59	< 0.0001**
X₃²	1	0.089	0.089	156.04	< 0.0001**
X₄²	1	0.032	0.032	166.23	< 0.0001**
Residual	14	2.733E-003	1.952E-004
Lack of fit	10	2.560E-003	2.560E-004	5.93	0.0506
Pure error	4	1.728E-004	4.320E-005
Cor total	28	0.46	R² = 0.9940