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    Toxicol Lett. 1996 Mar;84(3):161-5.

    Studies on the effects of monosodium glutamate (MSG) on oxidative stress in erythrocytes of adult male mice.

    Source

    Department of Biochemistry, Panjab University, Chandigarh, India.

    Abstract

    Subcutaneous administration of monosodium glutamate (MSG) to normal adult male mice for 6 days at dose levels of 4 and 8 mg/g body weight caused a significant increase in erythrocyte glucose content accompanied by increased lipid peroxidation. The levels of total glutathione and protein-bound glutathione were significantly increased in the erythrocytes, whereas non-protein glutathione was significantly decreased. The administration of 4 and 8 mg/g body weight of MSG significantly increased the activities of glutathione reductase (GR), glutathione-S-transferase (GST) and glutathione peroxidase (GPX). It was observed that MSG, above 4 mg/g body weight, produced oxidative stress which was counteracted by the body by maintaining the level of glutathione, which was done by increasing the activity of its metabolizing enzymes.

    PMID:
    8600616
    [PubMed - indexed for MEDLINE]

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