Glutathiones reduced form (GSH): Carries an extra electron (hydrogen) Donates hydrogen (electron) to inflammation-causing free radicals to neutralize their effect Glutathione peroxidase enzyme Requires selenium Converts two hydrogen peroxides into two water molecules Glutathiones oxidized form (GSSG): State of glutathione after losing its electron Forms a disulfide bridge between two glutathione molecules Glutathione reductase enzyme Glutathione can be recycled back to its reduced form using NADPH (reducing agent, electron donor)
It is naturally present in human blood, saliva, urine, and its plasma concentration declines with age from approximately 200 ng/mL at age 20 to under 80 ng/mL after age 60
Key Research Applications
If deproteinization of plasma prior to storage is necessary for prevention of spontaneous oxidation, then there would have been no difference in levels of GSH between Preparation Condition 1 and Preparation Condition 2, and we would have found no difference in level of total GSH and differences in levels of free GSH, GSSG, and their relative ratio between Preparation Condition 3 and Preparation Condition 4
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Glutathione may support a brighter complexion by influencing the enzyme tyrosinase
