Nitrogen source
(1.0 %w/v) |
Antibacterial activity
(inhibition zone in mm) |
|
Bacillus pumilus |
Aeromonas formicans |
Beef extract |
9.6 ± 0.76 |
10.6 ± 0.50 |
Malt extract (control) |
16.5 ± 0.87 |
20.2 ± 0.29 |
Tryptone |
9.3 ± 0.58 |
10.7 ± 0.58 |
Peptone |
9.0 ± 1.00 |
10.5 ± 0.50 |
Ammonium nitrate |
8.2 ± 0.50 |
9.6 ± 0.50 |
Potassium nitrate |
8.3 ± 0.58 |
9.7 ± 0.58 |
Calcium nitrate |
8.0 ± 1.00 |
9.5 ± 0.50 |
|