Table 1.
Antibacterial activity and bactericidal activity of Chicken hemoglobin fragment peptides
| Strains | D (mm) | MIC (μg mL−1) | IR (%) | MBC (μg mL−1) |
|---|---|---|---|---|
| Gram-negative bacteria | ||||
| Escherichia coli ATCC 25922 | 24.5 | 6.25 | 83.00 | 80 |
| Escherichia coli C83901 | 18 | 12.5 | 66.53 | 80 |
| Escherichia coli C83922, | 20 | 6.25 | 55.24 | 80 |
| Escherichia coli O78 | 18 | 6.25 | 47.83 | 80 |
| Aeromonas hydrophila(crucian carp) | 13 | 3.13 | 52.05 | >160 |
| Pseudomonas aeruginosa ATCC27853 | 15 | 3.13 | 52.94 | 80 |
| Pasteurellae gallinarum C48-3 | 12 | 3.13 | 63.63 | 80 |
| MR- Escherichia coli (equine) | 33.5 | 6.25 | 62.73 | 80 |
| MR- Pseudomonas aeruginosa M140 | 19 | 1.56 | 85.56 | 5 |
| MR- Escherichia coli T50(swine) | 11 | 6.25 | 89.92 | 80 |
| Gram-positive bacteria | ||||
| Staphylococcus aureus ATCC25923 | 27 | 3.13 | 50.00 | >160 |
| Staphylococcus aureus ATCC 29213 | 21 | 3.13 | 94.26 | 5 |
| Staphylococcus albus ATCC01331 | 14.5 | 1.56 | 73.36 | 40 |
| MR- Bacillus cereus (pigeon) | 13.5 | 3.13 | 73.36 | 20 |
| MR- Staphylococcus aureus L22(swine) | 15.5 | 6.25 | 88.6 | >160 |
| MR -Staphylococcus aureus QD-CD10 (swine) | 15.5 | 6.25 | 56.93 | >160 |
| MR-Enterococcus faecalis 53A(pet) | 22 | 1.56 | 91.10 | >160 |
| MR-Enterococcus faecalis 52A(pet) | 13.5 | 6.25 | 35.00 | >160 |
| MR-Enterococcus faecalis 37 N(pet) | 29 | 3.13 | 55.00 | >160 |
MR multidrug resistance (in bold), D diameter of inhibition zone, MIC minimum inhibitory concentration, IR inhibitory rate in 30 min, MBC minimal bactericidal concentration