Table 5.
Antimicrobial activity of ultrafine gr inding Saururus chinensis extracts

Strains	Clear zone (cm)
	Content of phenol compounds (μg/100 μL)
	Water extracts					50% Ethanol extracts
	Control	50	100	150	200	Control	50	100	150	200
	S. aureus	ND1)	ND	ND	ND	ND	ND	ND	ND	ND	trace
	E. coli	ND	ND	ND	ND	ND	ND	ND	ND	ND	trace
	S. mutans	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND
H. pylori	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND

ND : not detected