Table 5. Heavy metal content in rat hippocampus (mean ± SD, n = 8).

Groups (mg L–1)	Al (μg g–1)	Pb (μg g–1)	Cu (μg g–1)	Mn (μg g–1)	As (μg g–1)
Control	2.67 ± 0.54	2.80 ± 0.67	1.80 ± 0.36	0.95 ± 0.17	0.05 ± 0.014
5	2.93 ± 0.48	6.91 ± 0.86*	1.72 ± 0.35	1.06 ± 0.13	0.07 ± 0.02
10	3.03 ± 0.32	9.48 ± 1.20*	1.83 ± 0.32	1.33 ± 0.20*	0.072 ± 0.031
20	4.78 ± 0.60*	18.61 ± 1.93*	2.08 ± 1.78	1.48 ± 0.23*	0.047 ± 0.01
F	3.616	5.10	2.255	7.30	1.683
P	0.04	0.011	0.124	0.003	0.216