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. 2019 Jun 27;14(6):e0217627. doi: 10.1371/journal.pone.0217627

Table 3. Antioxidant and radical scavenging capacity of the compounds (1–3).

1 2 3 BHA* BHT*
EC50
Antioxidant activity (DPPH•) 0.66 ±0.02 0.56 ±0.02 1.09 ±0.02 0.13 0.46
Antiradical activity (ABTS+) 0.49±0.02 0.88 ±0.02 0.83 ±0.02 0.01 0.06

EC50 = Concentration of an antioxidant drug that gives half maximal response, (*) = European Pharmacopoeia (EP) Reference Standard.