Table 3.

Regression coefficients and statistical parameters measuring the correlation and significance of the models.

	TPC	PPT	DPT	E. Yield	ABTS	FRAP	DPPH
	y 2	y 3	y 4	y 1	y 5	y 6	y 7
β0	535.74	7.76	2.24	313.32	14,106.40	10,572.00	399.38
β1	22.42 b	0.21 c	0.11 b	1.93	1003.81 b	338.76	38.14
β2	81.53 a	0.18	0.09 c	37.58 a	926.46 c	1659.44 a	975.24 a
β3	−9.81	−0.16	−0.04	−5.61 c	−1028.40 b	−145.98	−87.10
β12	−3.63	−0.07	0.06	0.31	219.13	48.18	−7.03
β13	−4.00	−0.27 c	0.01	2.35	827.90	540.70	−18.50
β23	8.37	0.30 c	0.16 b	9.98 b	−787.25	348.85	−135.40
β11	16.74	0.34 b	0.13 c	−2.83	697.77	−26.19	−15.60
β22	−32.09 b	−0.58 a	−0.20 b	−25.86 a	−2213.13 a	−1617.19 a	749.35 a
β33	−7.53	0.10	−	−	−1179.76 c	436.54	−99.68
R2	0.9612	0.8642	0.8319	0.9627	0.8687	0.9283	0.9812

^a Significant coefficients at 99% confidence interval (CI). ^b Significant coefficients at 95% CI. ^c Significant coefficients at 90% CI.