Table 1.
Susceptibility of MRSA and S. aureus to various concentrations of ethanolic extract of mango kernel.
| SN | Strain | Source | Inhibition (mm) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| M. indica | Oxacillin (mm) | Vancomycin (mm) | |||||||
| 50 mg/mL | 5 mg/mL | 0.5 mg/mL | 0.05 mg/mL | 1 μg | 30 μg | Negative control (ethanol-impregnated discs) | |||
| 1 | S. aureus | ATCC 25923∗ | 21 | 14 | 9 | 0 | 23 | 20 | 0 |
| 2 | MRSA | Strain 367∗∗ | 25 | 15 | 7 | 0 | 7 | 19 | 0 |
| 3 | MRSA | Strain 1652 | 20 | 14 | 6 | 0 | 9 | 21 | 0 |
| 4 | MRSA | Strain R68 | 24 | 17 | 7 | 0 | 8 | 22 | 0 |
| 5 | MRSA | Strain 1205 | 24 | 18 | 9 | 0 | 8 | 18 | 0 |
| 6 | MRSA | Strain 300 | 24 | 19 | 10 | 0 | 8 | 20 | 0 |
| 7 | MRSA | Strain 301 | 24 | 18 | 10 | 0 | 9 | 19 | 0 |
| 8 | MRSA | Strain 475 | 23 | 17 | 10 | 0 | 8 | 21 | 0 |
| 9 | MRSA | Strain 2 | 20 | 18 | 8 | 0 | 8 | 22 | 0 |
| 10 | MRSA | Strain CL2 | 20 | 17 | 8 | 0 | 9 | 18 | 0 |
| 11 | MRSA | Strain 396 | 19 | 18 | 8 | 0 | 10 | 20 | 0 |
| 12 | MRSA | Strain 682 | 20 | 18 | 9 | 0 | 7 | 19 | 0 |
| 13 | MRSA | Strain 6821 | 23 | 19 | 8 | 0 | 5 | 21 | 0 |
| 14 | S. aureus | Strain 1946 | 19 | 17 | 13 | 0 | 17 | 22 | 0 |
| 15 | MRSA | Strain 1947 | 20 | 16 | 11 | 0 | 16 | 18 | 0 |
| 16 | MRSA | Strain 1533 | 25 | 20 | 13 | 0 | 0 | 20 | 0 |
| 17 | MRSA | Strain 634 | 20 | 14 | 12 | 0 | 8 | 19 | 0 |
| 18 | S. aureus | Strain 3966 | 20 | 14 | 12 | 0 | 16 | 21 | 0 |
| 19 | MRSA | Strain 491 | 19 | 17 | 10 | 0 | 8 | 22 | 0 |
| 20 | MRSA | Strain S77 | 20 | 12 | 8 | 0 | 5 | 18 | 0 |
| 21 | S. aureus | Strain 528 | 23 | 18 | 12 | 0 | 25 | 20 | 0 |
| 22 | MRSA | Strain CL1 | 20 | 17 | 6 | 0 | 10 | 19 | 0 |
| 23 | MRSA | Strain E2 | 20 | 18 | 14 | 0 | 9 | 21 | 0 |
| 24 | MRSA | Strain 19657 | 21 | 19 | 8 | 0 | 4 | 22 | 0 |
| 25 | MRSA | Strain 688 | 17 | 15 | 7 | 0 | 10 | 18 | 0 |
| 26 | MRSA | Strain 677 | 20 | 17 | 8 | 0 | 10 | 20 | 0 |
| 27 | MRSA | Strain 475 | 23 | 19 | 8 | 0 | 8 | 19 | 0 |
| 28 | S. aureus | Strain 1890 | 19 | 17 | 8 | 0 | 15 | 21 | 0 |
| 29 | S. aureus | Strain 3889 | 18 | 14 | 5 | 0 | 22 | 22 | 0 |
| 30 | MRSA | Strain 9728 | 20 | 15 | 5 | 0 | 8 | 18 | 0 |
| 31 | MRSA | Strain 715 | 20 | 17 | 9 | 0 | 7 | 20 | 0 |
| 32 | MRSA | Strain 369 | 20 | 18 | 10 | 0 | 7 | 19 | 0 |
| 33 | MRSA | Strain 319 | 21 | 12 | 4 | 0 | 5 | 21 | 0 |
| 34 | MRSA | Strain S-66 | 20 | 17 | 7 | 0 | 8 | 22 | 0 |
| 35 | MRSA | Strain S-85 | 21 | 19 | 7 | 0 | 7 | 18 | 0 |
| 36 | S. aureus | Strain 1562 | 20 | 17 | 5 | 0 | 15 | 20 | 0 |
| 37 | S. aureus | Strain 109 | 20 | 15 | 8 | 0 | 17 | 19 | 0 |
| 38 | MRSA | Strain 394 | 20 | 16 | 10 | 0 | 7 | 21 | 0 |
| 39 | MRSA | Strain 3941 | 20 | 17 | 11 | 0 | 8 | 22 | 0 |
| 40 | MRSA | Strain 3677 | 22 | 15 | 7 | 0 | 7 | 18 | 0 |
| 41 | MRSA | Strain 3678 | 21 | 15 | 8 | 0 | 7 | 20 | 0 |
| 42 | MRSA | Strain 3679 | 20 | 14 | 7 | 0 | 8 | 19 | 0 |
| 43 | MRSA | Strain 3680 | 20 | 15 | 7 | 0 | 8 | 21 | 0 |
| 44 | MRSA | Strain 3689 | 21 | 15 | 8 | 0 | 7 | 22 | 0 |
| 45 | MRSA | Strain 3687 | 20 | 14 | 7 | 0 | 8 | 18 | 0 |
| 46 | MRSA | Strain 3686 | 20 | 15 | 7 | 0 | 8 | 20 | 0 |
| 47 | MRSA | Strain 3685 | 21 | 15 | 8 | 0 | 7 | 19 | 0 |
| 48 | MRSA | Strain 3681 | 20 | 14 | 7 | 0 | 8 | 21 | 0 |
| 49 | MRSA | Strain 3682 | 20 | 15 | 7 | 0 | 8 | 22 | 0 |
| 50 | MRSA | Strain 3684 | 21 | 15 | 8 | 0 | 7 | 18 | 0 |
| 51 | MRSA | Strain 3688 | 20 | 14 | 7 | 0 | 8 | 20 | 0 |
Abbreviations: S. aureus, Staphylococcus aureus; MRSA, methicillin-resistant Staphylococcus aureus. ∗ATCC, American Type Culture Collection; ∗∗strains originated from clinical materials, Aseer Central Hospital, Abha, Saudi Arabia.