Antioxidant Activities and Phytochemical Study of Leaf Extracts from 18 Indigenous Tree Species in Taiwan

Figure 1

Antioxidant activities of methanolic extracts and their derived soluble fractions from the leaves of A. oliverianum. (a) DPPH radical scavenging activity. (b) Superoxide radical scavenging activity. (c) Ferrous ion chelating ability. (d) Total phenolic contents. Results are mean ± SD (𝑛=3). The bars marked by different letters are significantly different at the level of 𝑃<0.05 according to the Scheffe’s test.

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