Mexican Sage (Salvia officinalis) Extraction Using Factorial Design and Its Effect on Chemical and Antibacterial Properties

Table 3

Analysis of variance (ANOVA) for yield (%).

Source	Df	Sum of squares	Mean square	F value	value
Main effects	3	1.28795	0.429318	88.98	≤0.001
Methods	1	0.36451	0.364514	75.55	≤0.001
Quantity	1	0.73574	0.735735	152.49	≤0.001
Sample	1	0.18771	0.187706	38.90	≤0.001
2-way interactions	3	0.08126	0.027087	5.61	0.019
Methods × quantity	1	0.02953	0.029532	6.12	0.035
Methods × sample	1	0.04172	0.041718	8.65	0.016
Quantity × sample	1	0.01001	0.010010	2.07	0.184
Residual error	9	0.04342	0.004825
Pure error	8	0.04049	0.005061
Total	15	1.41264