We examined the effect of experimental malnutrition and diet supplementation of parameters of central nervous system damage. Wistar rats were fed during 30 days and classified as malnourished (MN, 7% protein content diet) or well-nourished (WN, 23% protein content diet), were grouped and treated as follows: I-control; II-SNP (20 microg/kg); IIl-Ivelip (280 mg/kg) and IV-Ivelip + sodium nitroprusside (SNP). Levels of lipid peroxidation (TBARS), glutathione (GSH), tryptophan (Trp) and serotonin (5-HT) were assessed in brain by liquid chromatography. TBARS and GSH levels increased significantly (p < 0.05) in MN vs. WN rats that did not receive Ivelip. No significant differences were observed in TBARS and GSH among rats that received Ivelip or SNP. The weight of rats decreased significantly (p < 0.05) in all MN groups in relation to the WN groups. Hemoglobin (Hb) levels increased significantly (p < 0.05) in MN and WN groups that received Ivelip. 5-HT levels increased significantly (p < 0.05) in all MN groups. Trp levels increased significantly (p < 0.05) in the WN + Ivelip group vs. control. Early malnutrition induces changes in the metabolism of biogenic amines and this condition may promote oxidative injury of the brain.
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