. 2024 Apr 12;12(6):4038–4048. doi: 10.1002/fsn3.4060

TABLE 3.

ANOVA for the fitted quadratic model.

Source	Sum of square	Mean square	F‐value	p‐value
Model	42.94	3.07	18.11	<.0001
pH	0.9841	0.9841	5.81	.0329
Solvent ratio	11.65	11.65	68.77	<.0001
Extraction temperature	0.8140	0.8140	4.81	.0488
Extraction time	1.08	1.08	6.35	.0269
pH * solvent ratio	1.43	1.43	8.43	.0132
pH * Extraction temperature	1.61	1.61	9.52	.0094
pH * Extraction time	0.0081	0.0081	0.0478	.8306
Solvent ratio * Extraction temperature	0.0144	0.0144	0.0850	.7756
Solvent ratio * Extraction time	3.96	3.96	23.38	.0004
Extraction temperature * Extraction time	0.2070	0.2070	1.22	.2906
pH²	2.86	2.86	16.87	.0015
Solvent ratio²	19.45	19.45	114.81	<.0001
Extraction temperature²	0.8304	0.8304	4.90	.0469
Extraction time²	0.1672	0.1672	0.9873	.3400
Lack‐of‐fit	1.97	0.1975	6.83	.1345