"Anti-Cancer Effects of Xanthones from Pericarps of Mangosteen"
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2635669/
"Antitumor and apoptosis-inducing effects of α-mangostin extracted from the pericarp of the mangosteen fruit (Garcinia mangostana L.)in YD-15 tongue mucoepidermoid carcinoma cells"
https://www.spandidos-publications.com/10.3892/ijmm.2016.2517
"Anti-skin cancer properties of phenolic-rich extract from the pericarp of mangosteen (Garcinia mangostana Linn.)"
https://www.sciencedirect.com/science/article/pii/S0278691512004176
"α-Mangostin, a xanthone from mangosteen fruit, promotes cell cycle arrest in prostate cancer and decreases xenograft tumor growth"
https://academic.oup.com/carcin/article/33/2/413/2464138
"α-Mangostin extracted from the pericarp of the mangosteen (Garcinia mangostanaLinn) reduces tumor growth and lymph node metastasis in an immunocompetent xenograft model of metastatic mammary cancer carrying a p53 mutation"
https://bmcmedicine.biomedcentral.com/articles/10.1186/1741-7015-9-69
Mangosteens were BANNED from import into the US until 2007 (because of "fruit flies") but now must be "irradiated" before import.
https://www.nationalgeographic.com/culture/food/the-plate/2016/05/meet-the-mangosteen/
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" The U.S. Department of Agriculture requires all mangosteens imported to the U.S. and for sale usually in Asian supermarkets be irradiated to sterilize insects