. 2011 May 5;50(3):521–527. doi: 10.1007/s13197-011-0358-4

Table 3.

Regression coefficients, and the results of analysis of variance (ANOVA) of the regression parametres for the response surface models

Coefficients of the regression equation	Bitterness	Reducing power (OD_700 nm)
b₀	0.991	0.443
b₁	−0.552^b	−0.0053^b
b₂	−0.727^c	0.009^c
b₃	−0.347^a	0.004^b
b₁₁	0.762^c	−0.003
b₂₂	0.055	−0.001
b₃₃	0.356^a	−0.003^b
b₁₂	0.113	−0.002
b₁₃	0.213	−0.001
b₂₃	0.088	−0.002
R²	0.883	0.902
p	<0.0001^c	<0.0001^c

^aSignificant at p ≤ 0.05

^bSignificant at p ≤ 0.01

^cSignificant at p ≤ 0.001