Fig. 3
Reducing power determination. a Reducing power as a function of the extract concentration. b–d Comparison between the reducing power and the polyphenols, flavonoids and tannins content and EC50 for Salta and Misiones extracts. Results represent mean ± SEM of three experiments performed in triplicate. Significant differences between extracts EC50 values were determined by the t-Student test (***p < 0.001)