Table 3.

The results of analysis on variance (ANOVA) for the effects of independents variables

Coefficient	Response
	TPC		FRAP		DPPH		TAC
	Prob > F	F.value	Prob > F	F.value	Prob > F	F.value	Prob > F	F.value
β 0	0.81	–	0.1	–	88.52	–	0.13	–
β 1	0.0185	7.9	0.014	8.52	<0.0001	113.03	0.4529	0.6
β 2	0.4047	0.76	0.4092	0.74	<0.0001	96.33	0.2068	1.77
β 3	<0.0001	809.05	<0.0001	82.63	<0.0001	1,149	<0.0001	251.31
β 12	0.0675	–	0.0021	16	<0.0001	1.47	0.038	5.34
β 13	0.1939	–	<0.0001	51.34	<0.0001	16.11	–	–
β 23	<0.0001	–	–	–	<0.0001	17.32	0.294	1.2
β 1 2	0.1331	4.2	0.0116	9.13	0.2593	235.65	–	–
β 2 2	0.0027	1.92	0.0026	15.02	0.0039	568.24	–	–
β 3 2	0.0917	89.21	0.0015	17.59	0.0032	163.28	0.0699	3.9
Model	<0.0001	–	<0.0001	–	<0.0001	–	<0.0001	–
Lack of fit	0.0864 ns	–	0.8332 ns	–	0.9801 ns	–	0.9901 ns	–
R 2	0.98	–	0.94	–	0.99	–	0.95	–
Adj–R 2	0.97	–	0.90	–	0.99	–	0.93	–
Pre–R 2	0.92	–	0.83	–	0.99	–	0.91	–
CVpercent	5.15	–	6.29	–	1.17	–	9.13	–