Figure 3.

DPPH^• free radical scavenging assay of C. quinoa processed by air-drying (dash bars) and freeze-drying (dark bars) at different times after seeding (1, 3, 6 months) of different plant parts (leaves (Lf), stems (St), roots (Rt), seeds (S), and flowers (Fl)). Each bar represents the mean ± standard deviation (n = 3). No significant differences were found between treatments (p = 0.25 > 0.05). (a) Trolox as standard, (b) gallic acid as standard. * p < 0.05 when compared between drying methods.