Morphological and Functional Alterations in Human Red Blood Cells Treated with Titanium Citrate Glutathione Pathways Glutathione Synthesis and Turnover in the Human Erythrocyte Journal of Biological Chemistry Science Time Glutathione Glutathione is a tri peptide, a small protein consisting of three amino acids, that functions as a principle antioxidant, scavenging free radicals and toxins that would otherwise damage and Donor sex, age and ethnicity impact stored red blood cell antioxidant metabolism through mechanisms in part explained by glucose 6 phosphate dehydrogenase levels and activity Haematologica Erythrocyte glutathione (GSH) plotted as a function of human age. Download Scientific Diagram