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Total phenolic and flavonoid contents of 50% methanol extracts of four plants used by Batswana traditional healers to treat skin diseases. Ds = Drimia sanguinea, Ee = Elephantorrhiza elephantina, Hp = Helichrysum paronychioides, and Si = Senecio longiflorus. In each graph, the bars with different letter(s) are significantly (p ≤ 0.05) different based on Tukey’s Multiple Comparison Test. Each bar represents mean ± standard error, and n = 3.
