Table 1.

MIC and MBC (μg/mL) of the tested flavonoids against Gram-negative bacteria.

	E. coli		Salmonella spp		P. aeruginosa
Compound	MIC	MBC	MIC	MBC	MIC	MBC
1	250	250	125	500	125	500
2	250	250	125	≥500	125	≥500
3	250	250	250	≥500	125	500
4	125	125	250	500	125	≥500
5	≥500	≥500	500	>500	≥500	>500
6	250	≥500	125	500	250	≥500
7	500	≥500	500	>500	250	≥500
8	250	≥500	250	>500	125	≥500
9	250	500	125	≥500	250	≥500
10	250	500	250	≥500	250	≥500
11	125	500	250	≥500	125	500
12	250	500	≥500	≥500	250	≥500
Amp	≤3.9	≤3.9	62.5	62.5	500	>500
Van	250	250	250	250	250	250

E. coli: Escherichia coli ATCC 8739, Salmonella spp: Salmonella spp IPT13, P. aeruginosa: Pseudomonas aeruginosa, Amp: Ampicillin, Van: Vancomycin.