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

Table 4

Analysis of variance (ANOVA) for antioxidant activity.

Source	Df	Sum of squares	Mean square	F value	value
Main effects	3	1.83252	0.61084	78.75	≤0.001
Methods	1	0.40642	0.40642	52.40	≤0.001
Quantity	1	0.00888	0.00888	1.15	0.312
Sample	1	1.41722	1.41722	182.71	≤0.001
2-way interactions	3	0.11004	0.03668	4.73	0.030
Methods × quantity	1	0.00442	0.00442	0.57	0.470
Methods × sample	1	0.02999	0.02999	3.87	0.081
Quantity × sample	1	0.07563	0.07563	9.75	0.012
Residual error	9	0.06981	0.00776
Pure error	8	0.06316	0.00789
Total	15	2.01238