Supercritical carbon dioxide extraction of xanthones with antioxidant activity from Garcinia mangostana: Characterization by HPLC/LC-ESI-MS - Journal of Supercritical Fluids, 49(3), p.330-337, 2009 . Journal of Supercritical Fluids Subjects--Topical Terms: SUPERCRITICAL CARBON DIOXIDEMANGOSTEENXANTHONESHPLCLC-MSANTIOXIDANT ACTIVITY