PCB and Metabolite Congeners | Serum Concentration (ng/g wet wt) | ||||
---|---|---|---|---|---|
Rat | Guinea Pig | Hamster | |||
2,4,5,2′,4-pentaCB (CB99) | 33 ± 3 | 12 ± 2 | 8 ± 2 | ||
3-OH-2,4,5,2′,4′-pentaCB | 9 ± 2 | 144 ± 40 | 74 ± 22 | ||
4-OH-2,3,5,2′,4′-pentaCB | N.D. | N.D. | 24 ± 8 | ||
Ratio of OH-PCBs/CB99 | 0.27 ± 0.22 | 12.0 ± 2.1* | 12.3 ± 2.1* | ||
2,3,4,3′,4′-pentaCB (CB105) | 15 ± 3 | 20 ± 3 | 14 ± 2 | ||
2,4,5,3′,4′-pentaCB (CB118) | 56 ± 6 | 87 ± 14 | 50 ± 14 | ||
3-OH-2,4,5,3′,4′-pentaCB | 12 ± 3 | 51 ± 10 | 37 ± 6 | ||
4-OH-2,3,5,3′,4′-pentaCB | 342 ± 75 | N.D. | 111 ± 16 | ||
Ratio of OH-PCBs/(CB105 + CB118) | 6.3 ± 0.9 | 0.59 ± 0.1* | 3.0 ± 0.5* | ||
2,3,4,2′,4′,5′-hexaCB (CB138) | 93 ± 8 | 38 ± 7 | 37 ± 3 | ||
3′-OH-2,3,4,2′,4′,5′-hexaCB | 14 ± 4 | 33 ± 6 | 24 ± 6 | ||
4′-OH-2,3,4,2′,3′,5′-hexaCB | N.D. | N.D. | 11 ± 3 | ||
Ratio of OH-PCBs/CB138 | 0.15 ± 0.02 | 0.87 ± 0.11* | 0.95 ± 0.14* | ||
2,3,5,2′,4′,5′-hexaCB (CB146) | 13 ± 3 | 9.1 ± 2.0 | 6.2 ± 2.1 | ||
2,4,5,2′,4′,5′-hexaCB (CB153) | 80 ± 15 | 74± | 55± | ||
3-OH-2,4,5,2′,4′,5′-hexaCB | 9 ± 3 | 28 ± 8 | 4 ± 1 | ||
4-OH-2,3,5,2′,4′,5′-hexaCB | N.D. | N.D. | 3 ± 1 | ||
Ratio of OH-PCBs/(CB146 + CB153) | 0.11 ± 0.02 | 0.38 ± 0.06* | 0.13 ± 0.02 | ||
3′,4′-dihydroxy-2,4,5,2′,5′-pentaCB (diOH-CB101) | N.D. | 9 ± 3 | 42 ± 6 | ||
4,5-dihydroxy-2,3,6,3′,4′-pentaCB (diOH-CB110) | N.D. | N.D. | 84 ± 10 | ||
4,5-dihydroxy-2,3,6,2′,4′,5′-hexaCB (diOH-CB149) | N.D. | N.D. | 61 ± 9 | ||
Total phenolic PCBs | 386 ± 29 | 256 ± 32* | 475 ± 49* |
N.D., not detected (<0.005 μg/g).
↵* Significantly different from rats, P < 0.01 (Student's t test).