Additions

Concentrations

ΔA₅₄₀/15 min

Inhibition (%)

None (control)

0.880 ± 0.006

Trolox

0.5 mM

0.770 ± 0.040

12.5 ± 4.5

Thiourea

5 mM

0.906 ± 0.015

−3.0 ± 1.5

DMSO

25 mM

0.922 ± 0.024

−4.8 ± 1.8

SOD

1000 U/mL

0.890 ± 0.030

−1.1 ± 3.4

Catalase

2000 U/mL

0.890 ± 0.040

−1.1 ± 4.5