Three new xanthones, xanthochymones A–C (1–3), together with six known compounds including two
xanthones, three biflavanoids, and one mellein derivative are isolated from the methanol extract of the
twigs of Garcinia xanthochymus. Their structures are identified on the basis of their spectroscopic data.
Compound 3 displays moderate antibacterial activity against Staphylococcus aureus while compounds 2
and 3 are weakly active against methicillin-resistant S. aureus.