Table 2.
Antimicrobial activities of selected plant extracts (500 mg/mL conc.) against test strains
| Sample No. | Code | Inhibition zone diameter (mm) of plant extracts against reference strains | |||||
|---|---|---|---|---|---|---|---|
| E. coli K12 DSM 498 | S. aureus DSM 346 | B. cereus ATCC 10987 |
B. cereus
Lab strain |
P. aeruginosa DSM 1117 | C. albicans ATCC 90028 | ||
| 1 | ACFA1 | NA | 10 ± 0.15 | 12 ± 1.5 | 23 ± 1.8 | NA | 15 ± 1.8 |
| 2 | ACFA2 | NA | NA | 13 ± 1.08 | 15 ± 1.09 | NA | 12 ± 2.02 |
| 3 | ACFA3 | NA | NA | 15 ± 1.32 | 13 ± 1.25 | NA | 10 ± 0.76 |
| 4 | ACFO | 20 ± 2.01 | 25 ± 1.32 | NA | NA | 12 ± 1.09 | NA |
| 5 | ACHO | 15 ± 1.71 | NA | NA | NA | 8 ± 0.88 | 35 ± 1.52 |
| 6 | ASRM | 12 ± 1.33 | 20 ± 1.04 | 15 ± 1.73 | 18 ± 1.82 | NA | NA |
| 7 | CLRA1 | NA | NA | 10 ± 0.45 | 9 ± 1.73 | NA | NA |
| 8 | CLRO1 | NA | 20 ± 1.89 | NA | NA | NA | NA |
| 9 | CLRO2 | 15 ± 1.56 | 20 ± 0. 24 | NA | NA | 10 ± 1.09 | NA |
| 10 | CLRA2 | NA | NA | 10 ± 0.59 | 12 ± 1.89 | NA | 8 ± 1.32 |
| 11 | EBBP | NA | 10 ± 1.33 | NA | 20 ± 1.22 | NA | NA |
| 12 | JSSP | NA | 15 ± 2.06 | NA | 20 ± 0.96 | NA | 9 ± 0.86 |
| 13 | NSSO | 10 ± 0.98 | NA | NA | NA | 8 ± 0.06 | 20 ± 2.18 |
| 14 | NSSP | NA | NA | 40 ± 2.33 | 44 ± 0.31 | NA | 16 ± 0.58 |
| 15 | OSLC | NA | NA | 12 ± 1.14 | NA | NA | NA |
| 16 | VALC | NA | NA | 22 ± 2.11 | 22 ± 1.78 | NA | NA |
| 17 | VALM | NA | NA | 14 ± 0.99 | 15 ± 2.11 | NA | NA |
| 18 | VALP | NA | NA | NA | NA | NA | 15 ± 1.24 |
| 19 | Gentamycin Sulfate (1 μg/mL) |
25 ± 0.012 | 28 ± 0.03 | 30 ± 1.18 | 25 ± 0.96 | 30 ± 1.05 | ND |
| 20 | Nystatin (1 μg/mL) | ND | ND | ND | ND | ND | 27 ± 2.33 |
Where: NA No activity, ND Not determined, Abbreviations of codes are as presented in Table 1