| Plants | Clinical Isolates | Concentrations | |||
| 100% | 50% | 25% | |||
| Terminalia chebula | Salmonella typhi.No 1 | 14 | - | - | |
| Escherichia coli .No 6 | 14 | 10 | 8 | ||
| Pseudomonas aeruginosa. No 8 | 14 | 14 | 12 | ||
| Salmonella paratyphi B. No 17 | 16 | 8 | 4 | ||
| Proteus mirabilis. No 19 | 14 | - | - | ||
| Standard bacteria | |||||
| Terminalia chebula | Bacillus subtilis (NCTC 8236) | 16 | 20 | 10 | |
| Salmonella typhi (ATCC1319106) | 10 |
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| Klebsiella pneumonia (ATCC 35657) | 10 | - | - | ||
| Staphylococcus aureus (ATCC 25923) | 14 | 6 | 2 | ||