“…α-mangostin was the first xanthone isolated from G. mangostana and several other xanthones were isolated as well (Pedraza-Chaverri et al, 2008). Previous studies on different xanthones demonstrated remarkable pharmacological activities including analgesic (Cui et al, 2010), antioxidant (Jung et al, 2006), antiinflammatory Tewtrakul et al, 2009), anticancer (Akao et al, 2008;Doi et al, 2009;Hung et al, 2009;Matsumoto et al, 2004), antiallergy (Nakatani et al, 2002), antibacterial (Chomnawang et al, 2009;Sakagami et al, 2005), antituberculosis (Suksamrarn et al, 2003), antifungal (Kaomongkolgit et al, 2009) and antiviral (Chen et al, 1996).…”