Open Access

Table 1.

Adequacy of two variables model fitted for tested characteristics of instant corn gruels supplemented with fruits.

Parameter Fitted model R2
Goji berry
WAI [-] WAI=4.38-0.05G+0.04S-0.01G2
+0.001GS-0.0002S2
0.21
WSI [%] WSI=10.21+1.65G+0.07S-0.13G2
-0.01GS+0.0001S2
0.50
L* L*=73.55-6.13G+0.10S+0.60G2
+0.003GS-0.0005S2
0.95
a* a*=-9.25+7.56G-0.08S-0.84G2
+0.003GS+0.0003S2
0.96
b* b*=63.49-2.76G+0.17S+0.16G2
+0.008GS-0.001S2
0.77
Cranberry
WAI [-] WAI=7.51-0.07C-0.26S-0.03C2
+0.002CS+0.0001S2
0.35
WSI [%] WSI=8.55-1.06C+0.18S-0.06C2
+0.01CS-0.0009S2
0.29
L* L*=80.43-1.89C-0.14S+0.16C2
+0.0004CS+0.0006S2
0.49
a* a*=-11.17+1.77C+0.07S-0.24C2
+0.0002CS-0.0003S2
0.32
b* b*=87.05-4.40C-0.34S+0.03C2
+0.02CS+0.001S2
0.79

G – Goji; C - Cranberry; S – screw speed; WAI – water absorption index; WSI water solubility index; L* - lightness, a* - redness/greenness balance, b* - yellowness/blueness balance,

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