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. 2022 Jan 28;11(2):254. doi: 10.3390/antiox11020254

Table 4.

2nd order polynomial equations only with statistically significant coefficients (p < 0.05).

Response	Equation
TP	$Y 1 = 43.30 + 0.96 X_{1} + 3.67 X_{3} - 2.03 X_{3}^{2}$
DPPH	$Y 2 = 614.03 - 151.20 X_{3} - 66.32 X_{1} X_{3} + 336.95 X_{3}^{2}$
Ellagic acid	$Y 3 = 102.95 + 19.58 X_{1} + 10.77 X_{2} + 23.31 X_{3} + 9.00 X_{1} X_{2} + 3.64 X_{1} X_{3} + 3.74 X_{1}^{2}$
Ellagic acid extract	$Y 4 = 2.99 + 0.55 X_{1} + 0.30 X_{2} - 0.67 X_{3} + 0.22 X_{1} X_{2} - 0.20 X_{1} X_{3} + 0.17 X_{3}^{2}$