Table 2
Antimicrobial activity of Geranium thunbergii solvent-par titioned fractions on tested bacter ia strains

Strains		Diameter of inhibition zone (mm)1)
		HF2)	CF	CF	BF	WF	EF MIC3) (mg/mL)
		Gram positive	B. subtilis	ND4)	9.50±0.015)b6)	13.17±1.04ab	12.67±0.58abc	ND	0.4
	B. cereus	9.33±0.58b	9.50±0.00b	13.83±1.26a	14.00±1.80a	9.67±0.58a	0.2
	L. monocytogenes	ND	ND	14.83±0.29ab	13.33±0.29ab	ND	0.4
	S. aureus	ND	ND	15.67±1.04bc	14.67±0.58bc	ND	0.4
	S. epidermidis	10.17±0.29a	10.67±0.29a	13.33±0.58c	12.17±0.29c	9.50±0.00a	0.4
Gram negative	E. coli	ND	ND	13.33±0.58abc	13.50±0.50abc	ND	0.8

Included the disc diameter of 8 mm
HF, n-hexane fraction; CF, chloroform fraction; EF, ethyl acetate fraction; BF, butanol fraction; WF, water fraction.
MIC, minimum inhibitory concentrations.
ND, not detected.
Data represent the means SD of 3 determinations.
^a-dMeans of the different superscripts within same column are significantly different at p<0.05.