Table 5.

Antibacterial activity of methanolic extract of CS

Type of Bacteria	Inhibitory zone in mm
	CS extract concentration mg			Gentamycin	Placebo
	50 mg	100 mg	150 mg
E. Coli	00	8 mm	9 mm	19 mm	0
Bacillus cereus	12 mm	13 mm	15 mm	23 mm	0
S. aureus	12 mm	14 mm	17 mm	25 mm	0
Klebsiella pneumoniae	12 mm	15 mm	22 mm	16 mm	0
Proteus	12 mm	15 mm	18 mm	15 mm	0