Table 1.
List of different lactobacilli and C. difficile strains or isolates used
| Designation or Code | Strain | Source |
| LDB B-30892 | L. delbrueckii ssp. bulgaricus B-30892 | LacPro |
| LB-1 | L. delbrueckii ssp. bulgaricus | From commercial probiotic supplement |
| LB-2 | L. acidophilus | From commercial probiotic supplement |
| LB-3 | L. acidophilus | From Dr. A Bhunia, Purdue University |
| LB-4 | L. casei | From commercial probiotic dairy drink |
| LB-5 | L. casei | From Dr. A Bhunia, Purdue University |
| LB-6 | L. delbrueckii ssp. bulgaricus | From commercial yogurt |
| CD-9689 | Clostridium difficile strain 9689 | ATCC |