Table 1.

Acute effects of benzo[a]pyrene on SOD activity (mean ± SD, n = 10).

Group	Time	Liver	Lung	Kidney	Stomach	Brain
Control	24	175.21 ± 11.42	160.56 ± 14.89	173.95 ± 12.69	166.38 ± 15.17	157.64 ± 13.92
12.5 mg/kg	24	211.66 ± 11.68c	187.73 ± 12.75c	208.84 ± 11.18c	240.47 ± 13.35c	221.56 ± 12.56c
25 mg/kg	24	208.62 ± 11.25c	183.22 ± 11.25b	203.27 ± 11.15c	233.07 ± 12.83c	209.52 ± 13.46c
50 mg/kg	24	204.77 ± 14.18c	180.88 ± 12.84b	200.52 ± 11.63c	221.75 ± 11.25c	196.8 ± 11.91c
100 mg/kg	24	202.86 ± 11.22c	175.56 ± 13.42a	196.25 ± 12.32c	215.53 ± 12.34c	191.22 ± 11.35c
Control	48	172.62 ± 11.54	158.42 ± 15.65	170.45 ± 13.65	165.62 ± 16.22	155.42 ± 12.87
12.5 mg/kg	48	204.17 ± 11.95c	186.91 ± 11.55c	204.44 ± 12.84c	236.11 ± 11.15c	211.125 ± 12.21c
25 mg/kg	48	200.54 ± 12.81c	180.97 ± 11.76b	200.78 ± 11.92c	227.17 ± 10.42c	195.35 ± 13.34c
50 mg/kg	48	197.75 ± 13.17c	176.16 ± 12.73a	195.91 ± 11.53c	213.35 ± 11.89c	188.02 ± 12.32c
100 mg/kg	48	192.52 ± 12.75b	173.62 ± 11.22a	190.16 ± 11.16c	206.32 ± 12.12c	176.36 ± 12.56b
Control	72	170.34 ± 10.85	157.78 ± 15.54	168.35 ± 11.78	165.22 ± 16.34	154.56 ± 12.67
12.5 mg/kg	72	200.38 ± 9.45c	182.26 ± 11.02c	198.16 ± 11.98c	228.91 ± 10.45c	186.51 ± 10.87c
25 mg/kg	72	198.56 ± 12.42c	178.46 ± 12.41b	196.55 ± 11.65c	219.14 ± 11.12c	181.07 ± 11.71c
50 mg/kg	72	195.86 ± 11.43c	172.46 ± 11.63a	192.91 ± 11.36c	210.42 ± 12.34c	178.2 ± 12.78c
100 mg/kg	72	192.15 ± 12.37c	168.63 ± 12.45	185.46 ± 12.37b	198.85 ± 13.59c	172.47 ± 13.12b

SOD: unit mg⁻¹ protein.

^aP < 0.05.

^bP < 0.01.

^cP < 0.001 between the corresponding control and B[a]P treatment groups, respectively.