Figure 2.

Ferric reducing antioxidant power assay (FRAP assay) of Krameria erecta, Struthanthus palmeri, Phoradendron californicum, Senna covesii and Stegnosperma halimifolium methanolic extracts. The results are expressed as mg Eq of Trolox. The bars represent the standard deviation (mean ± SD; n = 3). Significant differences (p < 0.05) are indicated by different letters (a–c).

Jiménez-Estrada et al. BMC Complementary and Alternative Medicine 2013 13:12   doi:10.1186/1472-6882-13-12
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