M. Taufik Ekaprasada(1*), Hazli Nurdin(2), Sanusi Ibrahim(3), Dachriyanus Dachriyanus(4)

(1) Senior High School for Industry and Technology, Padang, 25163 Department of Industry, Indonesia
(2) Department of Chemistry, Andalas University, Padang 25163 Indonesia
(3) Department of Chemistry, Andalas University, Padang 25163 Indonesia
(4) Faculty of Pharmacy, Andalas University, Padang 25163 Indonesia
(*) Corresponding Author


An antioxidant compound has been isolated from the leaves of Toona sureni (Blume) Merr. The structure was determined to be methyl 3,4,5-trihydroxybenzoate (methyl gallate), based on UV-vis, FTIR, NMR and MS spectra. The isolated compound exhibited potent antioxidant activity in the α,α-diphenyl-β-picrylhydrazyl (DPPH) radical scavenging test, with IC50 value 1.02 μg/mL.


antioxidant activity; methyl gallate; Toona sureni

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