Treatments | Number of revertants (M ± SD)/plate and (MI) | ||||||||
TA 98 | TA 100 | TA 102 | TA 97a | ||||||
mg/plate | −S9 | +S9 | −S9 | +S9 | −S9 | +S9 | −S9 | +S9 | |
Vanillin | 0.0a | 20 ± 2 | 30 ± 2 | 115 ± 7 | 121 ± 9 | 313 ± 24 | 411 ± 17 | 151 ± 8 | 143 ± 8 |
0.10 | 20 ± 3 (1.0) | 33 ± 3 (1.1) | 103 ± 8 (0.9) | 142 ± 9 (1.2) | 375 ± 15 (1.2) | 453 ± 27 (1.1) | 171 ± 11 (1.1) | 192 ± 6 (1.3) | |
0.20 | 17 ± 1 (0.9) | 35 ± 3 (1.2) | 111 ± 11 (1.0) | 148 ± 11 (1.2) | 430 ± 19 (1.4) | 496 ± 13 (1.2) | 205 ± 22 (1.4) | 167 ± 12 (1.2) | |
0.39 | 19 ± 3 (0.9) | 30 ± 4 (1.0) | 110 ± 2 (1.0) | 143 ± 10 (1.2) | 422 ± 43 (1.4) | 503 ± 14 (1.2) | 186 ± 12 (1.2) | 163 ± 7 (1.1) | |
0.59 | 16 ± 2 (0.8) | 37 ± 3 (1.2) | 108 ± 6 (0.9) | 144 ± 13 (1.2) | 367 ± 26 (1.2) | 489 ± 27 (1.2) | 167 ± 17 (1.1) | 167 ± 5 (1.2) | |
0.78 | 20 ± 2 (1.0) | 34 ± 6 (1.1) | 108 ± 10 (0.9) | 116 ± 3 (1.0) | 325 ± 41 (1.0) | 445 ± 21 (1.1) | 173 ± 7 (1.1) | 170 ± 13 (1.2) | |
Ctrol+ | 1319 ± 41b | 1696 ± 41e | 1708 ± 27c | 1480 ± 52e | 1220 ± 24d | 1825 ± 55f | 1875 ± 62b | 1623 ± 48e |