Dosage (mg/plate) | His+ revertants (survival, %)a |
---|
without S9 | with S9 |
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0 (control)b | 1259 ± 6 (100 %) | 1355 ± 12 (100 %) |
1 | 1245 ± 10 (99 %) | 1338 ± 10 (99 %) |
0.5 | 1255 ± 9 (100 %) | 1354 ± 8 (100 %) |
0.25 | 1248 ± 13 (99 %) | 1345 ± 6 (99 %) |
0.125 | 1260 ± 12 (100 %) | 1363 ± 7 (101 %) |
0.0625 | 1274 ± 7 (101 %) | 1365 ± 8 (101 %) |
- 100 μl S. typhimurium TA98 was mixed with 100 μl sample and 500 μl phosphate buffer, and incubated at 37 °C for 20 min, after that the population of S. typhimurium TA98 was calculated
- aEach value is expressed as mean ± SD (n = 3). Values in parentheses are percentages relative to control value (100 %)
- bThe number of controls was determined without water extracts of A. camphorata