“The investigators extracted and purified 6 xanthones compounds from the rinds (peel) of the fruit of Garcinia mangostana, mangosteen fruit. The investigators tested this extract on 14 different human liver cancer cell lines. Several chemotherapeutic agents (drugs) were included in the study for comparison. The results showed that one of the xanthones derivatives which could be identified as garcinone E has potent cytotoxic effect (kill cells) on all liver cancer cell lines as well as on the other gastric and lung cancer cell lines included in the screen. The investigators suggested that garcinone E may be potentially useful for the treatment of certain types of cancer.”