Table IV.
Mutagenic potencies (rankings) of 11 CSCs expressed per microgram of CSC and per microgram of nicotine a
| CSC | MF ×10−6 per microgram of CSC |
MF ×10−6 per microgram of nicotine |
||||||
|---|---|---|---|---|---|---|---|---|
| Microwell | Ranking | Soft agar | Ranking | Microwell | Ranking | Soft agar | Ranking | |
| 2R4F | 8.6 | 5 | 3.9 | 5 | 188.8 | 4 | 86.5 | 2 |
| LT | 15.0 | 1 | 4.9 | 3 | 260.2 | 2 | 84.8 | 3 |
| LTMAS | 8.2 | 6 | 4.1 | 4 | 141.4 | 5 | 69.8 | 4 |
| FF | 5.5 | 8 | 2.1 | 11 | 112.4 | 7 | 42.4 | 9 |
| LIP | 3.7 | 11 | 2.6 | 7 | 63.1 | 10 | 44.8 | 8 |
| LVB | 9.9 | 4 | 2.8 | 6 | 201.2 | 3 | 57.1 | 6 |
| LCF | 6.3 | 7 | 2.2 | 9 | 109.7 | 8 | 37.7 | 10 |
| BUR | 4.0 | 10 | 2.2 | 10 | 34.2 | 11 | 18.9 | 11 |
| BRI | 14.7 | 2 | 7.2 | 2 | 125.9 | 6 | 61.9 | 5 |
| REC | 14.3 | 3 | 7.4 | 1 | 447.5 | 1 | 232.2 | 1 |
| UL | 4.9 | 9 | 2.5 | 8 | 96.4 | 9 | 50.3 | 7 |
a
The potencies of the CSCs to induce MF ×10−6 were calculated from the slope of the linear regression of the dose-response curves (R2 = 0.786–0.911).