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. 2021 Nov 30;76(5):1297–1305. doi: 10.22092/ari.2021.356100.1776

Table 1.

Results of the antiradical activity of natural and semisynthetic coumarins

Derivative symbol Scavenger activity versus DPPH free radicals TP50 (µM)±SD (n=3) Scavenger activity versus hydroxyl free radicals TP50 (µM)±SD (n=3)
VC 46.29±0.67 50.33±0.91
RN 64.18±0.90 68.48±0.95
GN 48.20±0.86 52.84±0.76
RNs 89.31±1.05 101.06±0.90
GNs 114.05±0.81 107.14±0.72