Antimicrobial Activities of Leaf Extracts of Guava (Psidium guajava L.) on Two Gram-Negative and Gram-Positive Bacteria

Table 2

Antibacterial activity of Psidium guajava leaves of the screened solvents extracts.

Plant extracts	Zone of inhibition*(mm)
	B. cereus	S. aureus	E. coli	S. entertidis
n-Hexane	—	—	—	—
Ethanol	6.11±0.60	11.0±0.52	—	—
Methanol	8.27±0.44	12.3±0.78	—	—
Water	—	—	—	—

∗Inhibition zones are the mean including borer (5 mm) diameter ± standard deviation.
—: no inhibitory activity.