Table 2.

Antibacterial activities of flavonoids from Chimonanthus salicifolius S. Y. Hu. against six bacteria.

Microorganisms	Strain	FCS
		DIZ (mm)	MIC (mg/ml)	MBC (mg/ml)
Gram-positive
Staphylococcus aureus	ATCC 25923	15.93 ± 2.63	1.56	6.25
Bacillus subtilis	GDMCC 1.784	12.46 ± 0.76	6.25	50
Listeria monocytogenes	ATCC 19115	11.89 ± 1.16	6.25	50
Gram-negative
Escherichia coli	O157:H7 9,490	12.21 ± 1.06	6.25	>50
Salmonella enteritidis	ATCC BAA-708	11.35 ± 0.23	12.5	>50
Pseudomonas aeruginosa	ATCC 9027	–	25	>50

“–” means no inhibition zone.