Abstract
Two new xanthones, pyranocycloartobiloxanthone A (1) and dihydroartoindonesianin C (2), were isolated from the stem bark of Artocarpus obtusus Jarrett by chromatographic separation. Their structures were determined by using spectroscopic methods and comparison with known related compounds. Pyranocycloartobiloxanthone A (1) showed strong free radical scavenging activity by using DPPH assay as well as cytotoxicity towards K562, HL-60, and MCF7 cell lines.
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Hashim, N., Rahmani, M., Sukari, M. A., Ali, A. M., Alitheen, N. B., Go, R., & Ismail, H. B. M. (2010). Two new xanthones from Artocarpus obtusus. Journal of Asian Natural Products Research, 12(2), 106–112. https://doi.org/10.1080/10286020903450411
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