Antibacterial Effect of Hydroalcoholic Extract of Punica granatum Linn. Petal on Common Oral Microorganisms

Table 1

The mean and SD of the diameter of growth inhibition zone (mm) due to the effect of the hydroalcoholic extract of P. granatum petal on different microorganisms.

Concentration; (mg/mL)	Microorganism
	S. mutans	S. sanguinis	S. salivarius	S. sobrinus	E. faecalis
125	17.5 ± 0.41	21.5 ± 0.41	16 ± 0	22.5 ± 0.41	15.5 ± 0.41
62.5	15 ± 0	20.5 ± 0.41	14 ± 0	20.5 ± 0.41	13 ± 0
31.25	12 ± 0	18.5 ± 0.41	12 ± 0	17.5 ± 0.41	10.5 ± 0.41
15.62	9.5 ± 0.41	18 ± 0	N.S.	15 ± 0.8	N.S.
7.81	N.S.	17 ± 0	N.S.	12 ± 0.8	N.S.
3.9	N.S.	15.5 ± 0.41	N.S.	N.S.	N.S.
1.95	N.S.	14.5 ± 0.41	N.S.	N.S.	N.S.

N.S.: not seen.