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Nigerian Journal of Physiological Sciences
Physiological Society of Nigeria
ISSN: 0794-859X
Vol. 25, No. 2, 2010, pp. 129-134
Bioline Code: np10023
Full paper language: English
Document type: Research Article
Document available free of charge

Nigerian Journal of Physiological Sciences, Vol. 25, No. 2, 2010, pp. 129-134

 en Effects of Methionine Containing Paracetamol Formulation on Serum Vitamins and Trace Elements in Male Rats
Iyanda, A.A.; Anetor, J.I.; Oparinde, D.P & Adeniyi, F.A.A.

Abstract

Methionine is an effective antidote in the treatment of paracetamol-induced toxicity but at large doses it has been reported to induce or aggravate a number of pathological conditions. It also alters plasma levels of many vital elements and molecules. This study was designed to identify if the alteration observed for antioxidant vitamins and minerals especially at sub-toxic and toxic levels of exposure in our earlier study of 24-hour exposure period may warrant trace elements supplementation. This was investigated by carrying out a 48-hour study to test the ability of a living organism to restore homeostasis of these vital molecules and elements. The levels of antioxidant minerals and vitamins were estimated in the serum samples obtained from adult male Wistar rats exposed to paracetamol tablets. At 100 mg\kg BW (body weight) vitamin A, niacin, riboflavin, selenium and manganese were not significantly different from the control group (p>0.05). Moreover at 350 mg\kg, all these indices except zinc were not significantly different in the exposed group compared with controls (p>0.05) whereas at 1000 mg\kg level of exposure manganese, selenium and vitamin E were not significantly decreased at the end of 48 hours of exposure but copper, niacin and vitamin A were significantly increased in the exposed group compared with the controls (p<0.05). These results suggest that with time the body may be capable of bringing about restoration of the levels of some of these elements\vitamins. This was more evident at 350 mg\kg level of exposure than a higher dose of 1000 mg\kg level.

Keywords
Paracetamol formulation, Vitamins, Trace elements

 
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