In Vitro Antibacterial Activity and Mode of Action of Piper betle Extracts against Soft Rot Disease-Causing Bacteria

Table 1

Inhibition zone diameters of P. betle extracts against ECC.

Extraction solvent	Inhibition zone diameter (mm)
Water	7.07 ± 0.74^d
Ethanol	8.48 ± 0.69^b
Hexane	7.89 ± 0.74^c
Dimethyl sulfoxide	6.00 ± 0.00^e
Kanamycin	17.72 ± 0.15^a

Remarks: different letters in the column indicate significant differences ().