1. Brown to Yellow Powder 2.10%,30%,90% Mangostin, 20%Polyphenol 3. Test method ... Extract (α-mangostin)Specification : 10%,30%,90% (HPLC)Appearance: Brown to yellow powder Melting point: 182°C, 455K, 360°FMolecular Formula: C24H28O6Molecular ... chronic diseases.- Anti-allergies and inflammations: γ- mangostin was identified to inhibit COX, as their inhibition acutely reduces inflammations, pains and ...