Fig. 5

Antioxidant activity of plant extracts based on TEAC and FRAP assays. Plant species had significant effects on TEAC and FRAP (one-way ANOVA, p < 0.05). Each bar represents the mean of four replicate measurements. Within each antioxidant activity indicator (TEAC or FRAP), different letters above bars indicate significant differences among plant species (Bonferroni tests, p < 0.05). Error bars represent standard errors