Unsaturated Fatty Acids Supplementation Reduces Blood Lead Level in Rats

Table 4

Lead and metallothionein (MT) concentrations in tissues of rats poisoned with lead and/or treated with PUFA.

Group of rats	Lead concentration				MT
	Blood; (g/L)	Liver; (mg/g)	Kidney; (mg/g)	Heart; (mg/g)	Serum; (ng/mL)
Untreated; ()	78.6 ± 93.1	0.048 ± 0.061	1.09 ± 2.02	0.016 ± 0.022	6.55 ± 1.63
Olive oil; ()	34.9 ± 22.8	0.079 ± 0.107	0.459 ± 0.55	0.074 ± 0.068	7.23 ± 2.44
Linseed oil; ()	5.94 ± 5.56^c	0.038 ± 0.076	0.281 ± 0.69	0.019 ± 0.018	8.46 ± 2.82^a
Super lecithin; ()	4.76 ± 4.53^c	0.034 ± 0.036	0.175 ± 0.19	0.045 ± 0.061	7.16 ± 1.74
Pb; ()	678.7 ± 429.2	0.251 ± 0.312	46.01 ± 38.63	0.101 ± 0.122	6.56 ± 0.47
Pb + olive oil; ()	582.4 ± 284.9	0.192 ± 0.275	18.72 ± 18.70^y	0.233 ± 0.172^x	7.18 ± 0.77
Pb + linseed oil; ()	214.8 ± 73.0^x	0.342 ± 0.252	46.66 ± 29.6	0.032 ± 0.035	9.17 ± 4.31^x
Pb + lecithin; ()	288.8 ± 51.4^x	1.135 ± 1.08^x	26.34 ± 15.4^z	0.089 ± 0.041	7.33 ± 2.12

Results are presented as means ± SD. Statistically significant differences: ^a; ^c; in comparison to untreated rats; ^x; ^y; ^z in comparison to group of rats given lead acetate (Pb group).