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. 2014 May 6;9(5):e95908. doi: 10.1371/journal.pone.0095908

Table 1. IC50 values based on antioxidant evaluation of ETHAB in relation to other standard compounds.

Sample DPPH IC50 (µg/mL) FRAP mmolFe2+/mg compound nitric oxide IC50 (µg/mL) Metal Chelating IC50 (µg/mL)
ETHAB 131.25±0.023 489.33±0.06 141.20±0.02 73.12±0.12
BHA 5.95±0.01 - - -
EDTA-Na - - - 8.96±0.03
Curcumin - - 1.54±0.07 -

All values are expressed as mean ± SEM.