Research Article

Cytoprotective Mechanisms Mediated by Polyphenols from Chilean Native Berries against Free Radical-Induced Damage on AGS Cells

Table 1

Oxygen radical absorbance capacity (ORAC) of polyphenolic-enriched extracts from the selected native species using as free radical target fluorescein (FL) and red pirogallol (PGR).

SampleORAC-FL
(mmol TEa/L)
ORAC-PGR
(mmol TEa/L)

Rubus geoides (Las Raices)4.26 ± 0.21.99 ± 0.4
Rubus geoides (Lago Blanco)4.36 ± 0.43.55 ± 0.3
Fragaria chiloensis7.16 ± 0.110.56 ± 1.1
Ribes magellanicum5.11 ± 0.77.19 ± 0.1

aTrolox equivalents.