Table 2. MIC of antibiotics for Lactobacillus reuteri MG5346
| Antibiotics | Microbiological cut-off values (mg/L) |
| EFSA | L. reuteri MG5346 |
| Ampicillin | 2 | 0.06 |
| Chloramphenicol | 4 | 1 |
| Clindamycin | 4 | <0.016 |
| Erythromycin | 1 | 0.03 |
| Gentamycin | 8 | 0.38 |
| Kanamycin | 64 | 8 |
| Streptomycin | 64 | 4 |
| Tetracycline | 32 | 2 |
MIC (minimum inhibitory concentration) indicates the lowest concentration of antibiotic that prevents visible bacterial growth. Antibiotic resistance was determined according to the European Food Safety Authority (EFSA) guidelines.