Table 5.
Antimutagenic activity toward S. typhimurium TA98 and TA100.
| Sample | Number of Revertants | |||
|---|---|---|---|---|
| TA 98 | TA100 | |||
| Mean ± SD | Inhibition % | Mean ± SD | Inhibition % | |
| Negative Control | 9.45 ± 3.5 a | 9.45 ± 1.4 a | ||
| WBF | 134 ± 4.7 | 31.28 | 174 ± 5.9 | 50.56 |
| WBTP | 121 ± 3.1 | 37.95 | 145 ± 5.2 | 58.84 |
| OBF | 87 ± 3.23 | 55.38 | 136 ± 3.9 | 61.36 |
| OBTP | 83 ± 2.12 | 57.43 | 115 ± 3.1 | 67.32 |
| 4-NPD b | 195 ± 10.2 | - | - | - |
| NaN3 b | - | - | 352 ± 13.36 | - |
a Values expressed are means ± S.D. of three replicates. b 4-nitro-o-phenylenediamine (4-NPD) and NaN3 represent the positive controls for S. thyphimurium TA98 and TA100 strains, respectively.