Synergistic Effect and Antiquorum Sensing Activity of Nymphaea tetragona (Water Lily) Extract

Table 2

Antimicrobial activity of NTME and its solvent fractions against five strains of Salmonella typhimurium.

	KCTC 2515	ST171	ST482	ST688	ST21A
MIC (𝜇g/mL)
NOR^a	0.063	0.063	0.125	0.063	0.125
NTME	6250	6250	6250	6250	6250
DFNTE	>2500	>2500	>2500	>2500	>2500
EFNTE	781	781	>781	781	781
BFNTE	6250	6250	6250	6250	6250
MBC (𝜇g/mL)
NOR^a	1	1	1	1	1
NTME	12500	12500	25000	12500	12500
DFNTE	>2500	>2500	>2500	>2500	>2500
EFNTE	1562	1562	1562	1562	1562
BFNTE	25000	25000	25000	25000	25000

NOR: norfloxacin, NTME: N. tetragona 50% methanol extract, EFNTE: ethyl acetate fraction of N. tetragona 50% methanol extract, DFNTE: dichloromethane fraction of N. tetragona 50% methanol extract, BFNTE: butanol fraction of N. tetragona 50% methanol extract. ^aPositive control.