Response Surface Approach to Optimize the Conditions of Foam Mat Drying of Plum in relation to the Physical-Chemical and Antioxidant Properties of Plum Powder

Table 2

Regression coefficients, coefficient of determination (), and lack of fit values for the second-order fitted models corresponding responses, foam density (g/cm³), foam expansion (%), and foam porosity (g/cm³) with albumin (%) and time (min).

Constants	Predicted foam density	Predicted foam expansion	Predicted foam porosity
Intercept			0.0171
Egg albumin		5693.87	0.0003
Whipping time	0.0119		0.0139
Egg albumin	0.0009	37348.39	0.0016
Whipping time	0.0002	4202.55	0.0003
Egg	0.0006	371.29	0.0019
Coefficient of determination ()	0.9749	0.9612	0.9876
value of lack of fit test	0.5857	0.0836	0.5677

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