S No Isolate TSI
1. I1 (AKS/AB)
2. I2 (AKS/AB)
3. I3 (AKS/AB)
4. I4 As/AB
5. I51 Nc
6. I52 (AKS/AB)
Abbreviations: AKS/AB: Alkaline slant/acid butt; Nc: No change; As/AB: Acid slant/ Acid butt
Table 5: Triple sugar iron test.