Amino Acids, Proteins and Porphyrins
Glutathione is a
Glutathione: - is Tripeptide composed of 3-amino-acid → Y-glutamyl-cysteinyl-glycine.
a. It prevents the oxidation of sulfhydryl (-SH) groups of protein
b. Reduced glutathione →maintain RBC membrane structure and integrity and protect RBC
form getting oxidized by agents such as H2O2
2GSH + H2O2 -------→ GSSG + 2H2O
3. Involved in the transport of Amino-acids in the intestine and kid. Via Y Glutamyl cycle or,