Oxidative Stress Index (OSI) Calculation
While calculating the OSI values of the samples, TAC values were multiplied by 10 and equaled with TOS in units. The ratio of TOS levels included in the samples to TAC levels included in the samples was specified as OSI 19. Results are expressed as Arbitrary Units (AU).
( TOS, μmol H2O2 Equiv. / L.)
OSI = ———————————————
(TAC, μmol trolox Equiv. / L.)