Groups | Direct exposure | Exposure via food | |||||
---|---|---|---|---|---|---|---|
Organs | I (control) | II (1 mg CN−1/kg bwt) | III (2 mg CN−1/kg bwt) | IV (3 mg CN−1/kg bwt) | V (1 mg CN−1/kg bwt) | VI (2 mg CN−1/kg bwt) | VII (3 mg CN−1/kg bwt) |
4 weeks exposure | |||||||
 Liver | 43.46 ± 0.8a | 37.25 ± 0.6a | 32.01 ± 0.5b | 23.07 ± 0.3c | 40.50 ± 0.5a | 36.25 ± 0.7a | 29.18 ± 5b |
 Kidney | 31.10 ± 0.4a | 29.63 ± 0.7a | 18.52 ± 0.3b | 14.23 ± 0.6b | 30.74 ± 0.4a | 27.78 ± 0.5a | 17.67 ± 3b |
 Heart | 35.32 ± 0.7a | 29.17 ± 0.9a | 25.10 ± 0.4b | 18.10 ± 0.8c | 33.34 ± 0.6a | 27.09 ± 0.3a | 22.92 ± 4b |
 Brain | 31.24 ± 0.5a | 30.01 ± 0.4a | 18.19 ± 0.3b | 14.10 ± 0.9b | 32.37 ± 0.5a | 21.32 ± 0.6b | 18.48 ± 3b |
8 weeks exposure | |||||||
 Liver | 45.14 ± 0.8a | 36.50 ± 0.7ab | 34.52 ± 0.6b | 24.92 ± 0.5c | 38.15 ± 0.6a | 37.42 ± 0.3b | 28.10 ± 0.6c |
 Kidney | 33.95 ± 0.5a | 25.93 ± 0.6a | 18.78 ± 0.7b | 12.15 ± 0.6b | 28.19 ± 0.4a | 26.08 ± 0.4a | 14.81 ± 0.5b |
 Heart | 37.15 ± 0.5a | 27.10 ± 0.04b | 23.12 ± 0.4b | 17.95 ± 0.8b | 31.25 ± 0.7a | 25.74 ± 0.6b | 20.84 ± 0.8b |
 Brain | 33.08 ± 0.4a | 25.10 ± 0.5b | 17.69 ± 0.9c | 13.95 ± 0.3c | 31.82 ± 0.4a | 20.46 ± 0.3b | 15.69 ± 0.4c |
12 weeks exposure | |||||||
 Liver | 46.78 ± 0.4a | 36.10 ± 0.7b | 30.43 ± 0.8b | 22.74 ± 0.9c | 42.62 ± 0.4a | 32.18 ± 0.6b | 26.41 ± 0.5c |
 Kidney | 34.15 ± 0.9a | 27.78 ± 0.4a | 18.52 ± 0.7b | 11.26 ± 0.9b | 30.50 ± 0.8a | 24.19 ± 0.8a | 14.82 ± 0.4b |
 Heart | 38.98 ± 0.7a | 32.10 ± 0.9a | 27.92 ± 0.6b | 15.87 ± 0.8c | 35.95 ± 0.9a | 28.01 ± 0.5b | 18.75 ± 0.3c |
 Brain | 35.04 ± 0.8a | 31.73 ± 0.5a | 25.92 ± 0.6b | 12.78 ± 0.6c | 34.52 ± 0.7a | 19.92 ± 0.5bc | 15.75 ± 0.8c |