Enhancement of Antibacterial Activity of Paludifilum halophilum and Identification of N-(1-Carboxy-ethyl)-phthalamic Acid as the Main Bioactive Compound

Table 4

Analysis of variance (ANOVA) for the selected quadratic models of biomass production (Y₁) and antibacterial activity (Y₂).

Source of variation	Sum of square	Degree of freedom	Mean square	Ratio	Significance
Y 1
Regression	67.5495	9	7.5	3.73	0.0315
Residual	18.1084	9	2.01
Validity	14.6384	6	2.43	2.1	0.288 ns
Pure error	3.4700	3	1.15
Core total	85.6579	18