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

<table>HPLC chromatograms and the major phytochemicals of EA5, EA6, and EA7 from the leaves of A. oliverianum. (1) Gallic acid, (2) gallic acid methyl ester, (3) 1,2,4,6-O-tetra-galloyl-β-D-glucopyranoside, (4) 1,2,3,4,6-O-penta-galloyl-β-D-glucopyranoside, (5) quercetin 3-O-β-D-(2′′-galloyl)-glucopyranoside, (6) quercetin 3-O-β-D-glucopyranoside, (7) quercetin 3-O-α-L-arabinopyranoside, and (8) kaempferol 3-O-β-D-glucopyranoside.</table>

Evidence-Based Complementary and Alternative Medicine

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Figure 2

Figure 2: Antioxidant Activities and Phytochemical Study of Leaf Extracts from 18 Indigenous Tree Species in Taiwan 