| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Bifidobacterium breve |
0.03 |
0.5 |
≤0.03 － >32 |
Clindamycin (Cleocin)  |
818 |
| Bifidobacterium breve |
0.06 |
0.06 |
≤0.03 － 0.25 |
Imipenem |
490 |
| Bifidobacterium breve |
0.06 |
0.5 |
≤0.03 － 1 |
Zosyn |
490 |
| Bifidobacterium breve |
0.125 |
0.5 |
≤0.015 － 2 |
Amoxicillin-clavulanic acid (Augmentin) |
818 |
| Bifidobacterium breve |
0.125 |
0.5 |
≤0.03 － 0.5 |
Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin) |
490 |
| Bifidobacterium breve |
0.125 |
0.5 |
≤0.03 － 1 |
Ampicillin (Omnipen) |
490 |
| Bifidobacterium breve |
0.125 |
0.5 |
≤0.03 － 1 |
Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin) |
818 |
| Bifidobacterium breve |
0.25 |
0.25 |
0.125 － 0.5 |
Quinupristin/Dalfopristin (Synercid) |
490 |
| Bifidobacterium breve |
0.25 |
0.5 |
≤0.03 － 1 |
Daptomycin + 50 μg/ml Ca++ |
490 |
| Bifidobacterium breve |
0.5 |
1 |
0.25 － 1 |
Vancomycin (Vancocyn, Lyphocin) |
490 |
| Bifidobacterium breve |
0.5 |
4 |
0.25 － 4 |
Daptomycin (Cubicin) |
490 |
| Bifidobacterium breve |
0.5 |
8 |
0.25 － 8 |
Levofloxacin (Levaquin, Quixin) |
818 |
| Bifidobacterium breve |
1 |
1 |
0.25 － 2 |
Quinupristin/Dalfopristin (Synercid) |
490 |
| Bifidobacterium breve |
>1 |
>8 |
≤0.5 － >8 |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
818 |
| Bifidobacterium breve |
1 |
16 |
0.125 － 32 |
Tetracycline (Sumycin, Achromycin V, Steclin) |
818 |
| Bifidobacterium breve |
>1 |
>32 |
0.25 － >32 |
Cefalexin (Keflex) |
818 |
| Bifidobacterium breve |
>32 |
>32 |
0.125 － >32 |
Metronidazole (Flagyl) |
818 |
| Bifidobacterium breve |
- |
- |
1 － ? |
Clindamycin (Cleocin) |
1470 |
| Bifidobacterium breve |
- |
- |
1 － ? |
Metronidazole (Flagyl) |
1470 |
| Bifidobacterium breve |
- |
- |
4 － ? |
Ceftizoxime (Cefizox) |
1470 |
| Bifidobacterium breve |
- |
- |
4 － ? |
N-F-thienamycin |
1470 |
| Bifidobacterium breve |
- |
- |
8 － ? |
Cefotaxime (Cephotaxime, Claforan) |
1470 |
| Bifidobacterium breve (ATCC 15700 + 120h) |
- |
- |
1.45 － ? |
Nisin A |
741 |
| Bifidobacterium breve (ATCC 15700 + 120h) |
- |
- |
15.75 － ? |
Nisin Z |
741 |
| Bifidobacterium breve (ATCC 15700 + 120h) |
- |
- |
>70 － ? |
Pediocin PA-1 |
741 |
| Bifidobacterium breve (ATCC 15700 + 120h) |
- |
- |
100 － ? |
Mutacin B-Ny266 |
741 |
| Bifidobacterium breve (ATCC 15700 + 24h) |
- |
- |
<0.09 － ? |
Nisin A |
741 |
| Bifidobacterium breve (ATCC 15700 + 24h) |
- |
- |
1.96 － ? |
Nisin Z |
741 |