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Phytother Res. 2003 Apr;17(4):330-4.

Protective effect of Spirulina on lead induced deleterious changes in the lipid peroxidation and endogenous antioxidants in rats.

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Pharmacy Department, Faculty of Technology and Engineering, M S University of Baroda, Kalabhavan, Baroda-390 001, India.


The present study aims to investigate the protective effect of Spirulina on lead-induced changes in the levels of lipid peroxidation and endogenous antioxidants in liver, lung, heart, kidney and brain of rats. Levels of elemental lead were also measured in the organs of rats in all experimental groups. In the liver, lung, heart and kidney of lead-exposed animals, there was a significant (p < 0.001) increase in the lipid peroxidation and a decrease in the levels of endogenous antioxidants. Although, Spirulina did not affect the deposition of lead in organs apart from the brain, simultaneous administration of Spirulina to lead exposed animals significantly (p < 0.001) inhibited lipid peroxidation and restored the levels of endogenous antioxidants to normal. To conclude, Spirulina had a significant effect on scavenging free radicals, thereby protecting the organs from damage caused by the exposure to lead. Further more, Spirulina showed a significant (p < 0.05) decrease in the deposition of lead in the brain.

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