Table 1.
Revertant colonies observed for different concentrations of GSNPs
| MTCC no | Strain no | Revertant colonies
|
||||
|---|---|---|---|---|---|---|
| 0.6 mg/plate | 1.2 mg/plate | 2.5 mg/plate | 5 mg/plate | Negative control | ||
| 1251 | TA98 | 29 ± 5.5 | 33 ± 4.3 | 39 ± 5.0 | 42 ± 4.5 | 25 ± 5.0 |
| 1252 | TA100 | 37 ± 4.5 | 36 ± 6.8 | 41 ± 6.5 | 49 ± 6.2 | 37 ± 4.0 |
| 1253 | TA1535 | 39 ± 5.5 | 38 ± 7.5 | 43 ± 5.5 | 55 ± 3.5 | 40 ± 4.0 |
| 1254 | TA1538 | 18 ± 3.5 | 24 ± 5.0 | 28 ± 3.0 | 28 ± 8.3 | 20 ± 3.0 |
Note: Data represented as values of mean ± SD. TA98, TA100, TA1535 and TA1538, tester strains of Salmonella typhimurium.
Abbreviations: GSNP, green silver nanoparticle; MTCC, Microbial Type Culture Collection; SD, standard deviation.