Ficus variegata Blume is a specific plant of East Kalimantan. Flavonoid compound of F. variegata Blume was isolated by vacuum liquid and column chromatography, with previously extracted by maceration method using n-hexane and methanol, and fractionation using ethyl acetate solvent. The eluent used in isolation were n-hexane:ethyl acetate (8:2). Based on the results of elucidation structure using spectroscopy methods (GC-MS, NMR, and FTIR), 5-hydroxy-2-(4-methoxy-phenyl)-8,8-dimethyl-8H-pyrano[2,3-f] chromen-4-one was obtained. This compound has antibacterial and antioxidant activity.
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Rusli, R., Ningsih, B. A., Rahmadani, A., Febrina, L., Maulidya, V., & Fadraersada, J. (2019). Isolation and evaluation of antioxidant and antibacterial activity of flavonoid from ficus variegata blume. Indonesian Journal of Chemistry, 19(2), 538–543. https://doi.org/10.22146/ijc.23947