Table 4.
Inhibition diameters of aqueous and ethanolic extracts of S. costus. (Each value represents the average of three trials ± SD).
| Extracts | Staphylococcus aureus (mm) |
Pseudomonas aeruginosa (mm) |
Escherichia coli (mm) | Klebsiella pneumoniae (mm) |
|---|---|---|---|---|
| Saussurea costus (Falc) Lipsch (aqueous) 400 mg mL−1 (2 mg/disc) | 8.01 ± 0.01 | - | - | - |
| Saussurea costus (Falc) Lipsch (aqueous) 200 mg mL−1 (1 mg/disc) | 9.02 ± 0.03 | - | - | - |
| Saussurea costus (Falc) Lipsch (ethanolic) 400 mg mL−1 (2 mg/disc) | 14.00 ± 0.00 | - | - | 12.04 ± 0.04 |
| Saussurea costus (Falc) Lipsch (ethanolic) 200 mg mL−1 (2 mg/disc) | 12.03 ± 0.005 | - | - | 12 ± 0.00 |