Table 3 Antibacterial Activity of chitosan nanoparticles of different concentration.

Shrimp chitosan (NP)

11.670 ± 0.058^a

10.50 ± 0.100^b

10.00 ± 0.100^c

10.50 ± 0.100^a

–

–

Commercial chitosan (NP)

17.166 ± 0.058^a

16.666 ± 0.058^b

16.00 ± 0.100^c

14.166 ± 0.057^a

12.5 ± 0.100^b

12.333 ± 0.152^b

Tetracycline(T) 30 mcg

13 mm

15

Streptomycin(S) 10 mcg

18 mm

 ≥ 15