. 2014 Sep 23;52(8):5048–5056. doi: 10.1007/s13197-014-1562-9

Table 2.

Analysis of estimates of extraction yield, TPC, TEAC and their significance

	Extract yield (g/100 g FW)			TPC mg GAE/g extract of WMR			TEAC mg TE/g FW WMR
Source	Mean Square	F-ratio	p-value^a	Mean Square	F-ratio	p-value^a	Mean Square	F-ratio	p-value^a
Model	54.02	20.25	0.0007	1907.16	24.33	0.0004	3882.88	21.52	0.0006
A	20.48	7.68	0.0324	512.00	6.53	0.0431	1223.64	6.78	0.0404
B	22.45	8.41	0.0273	2888.00	36.85	0.0009	9721.76	53.89	0.0003
C	42.24	15.83	0.0073	736.82	9.40	0.0220	2430.55	13.47	0.0104
D	32.00	12.00	0.0134	1682.00	21.46	0.0036	257.19	1.43	0.2775
AB	26.04	9.76	0.0205	35.16	0.45	0.5279	356.15	1.97	0.2096
AC	16.82	6.31	0.0458	318.40	4.06	0.0904	236.10	1.31	0.2962
AD	5.53	2.07	0.20000	1553.74	19.83	0.0043	6518.77	36.14	0.001
BC	75.65	28.36	0.0018	1803.30	23.01	0.0030	320.05	1.77	0.2312
BD	0.59	0.22	0.6545	109.56	1.40	0.2818	20.92	0.12	0.7451
CD	58.32	21.86	0.0034	2466.48	31.47	0.0014	5974.34	33.12	0.0012
A²	158.06	59.25	0.0003	4252.92	54.27	0.0003	11008.79	61.03	0.0002
B²	223.92	83.94	<0.0001	6439.86	82.17	0.0001	9673.81	53.63	0.0003
C²	113.61	42.59	0.0006	4220.90	53.86	0.0003	10152.79	56.28	0.0003
D²	6.73	2.52	0.1632	624.56	7.97	0.0302	1588.05	8.80	0.0251
Lack of Fit	0.081434	0.9233		0.25	0.7932		0.83	0.5002
R²	0.9793		0.9827		0.9805
Adj R²		0.9309		0.9423		0.9349
Pred R²		0.8816		0.8686		0.3884
CV		7.96		6.80		4.52

^aThe p values were used as a tool to check the significance of each coefficient. Very small p values for the linear and quadratic terms indicate the significant contribution of these predictors in the fitted model