species studied. The ferric reducingantioxidant potential (FRAP) assay is a simple and inexpensive procedure that measures the total antioxidant levels in a ample. The change in absorbance at 600 nm
[15]
can then be compared with a standard to determine the antioxidant potential in a given sample. According to Dennog
et al.
[16]
,FRAP can be used to analyze anti oxidant status in humans after hyperbaric oxygen therapy.