Isolates

Zone of inhibition (mm)

12 h

18 h

24 h

E. coli

11.3 ± 0.6^a

11.7 ± 1.2^a

16.3 ± 1.2^b

Shigella sp.

8.0 ± 0.6^a

10.7 ± 1.2^a

15.3 ± 1.2^b

Salmonella sp.

8.3 ± 0.3^a

9.0 ± 0.3^a

12.3 ± 0.9^b

Streptococcus sp.

8.3 ± 1.2^a

10.7 ± 0.9^b

12.3 ± 0.9^c

Staphylococcus sp.

11.7 ± 1.5^a

10.3 ± 0.9^a

11.7 ± 0.6^a

Klebsiella pneumoniae

8.7 ± 0.9^a

9.0 ± 0.3^a

10.7 ± 0.9^b