The Optimization and Mathematical Modeling of Quality Attributes of Parboiled Rice Using a Response Surface Method

Table 3

Regression equations in coded form with , adj. , and lack of fit.

Response	Equation		Adj.	Lack of Fit
HRY (%)		0.96	0.96	0.56
Hardness (N)		0.94	0.88	0.08
Cooking time (min)		0.90	0.82	0.18
Lightness		0.88	0.83	0.09
Color (-value)		0.94	0.89	0.33

Note. = soaking temperature; = soaking time; = steaming time; = correlation coefficient.