Các hợp chất xanthon phân lập từ keo ong dú (Lisotrìgona furva Engel)

Abstract

From the propolis of the stingless bee Lisotrigona furva (Angel.) collected in Binh Dinh province (Central Vietnam), three xanthones were isolated, including 9-hydroxyca/abaxanthone (1), cochinchinone I (2) and cochinchinone J (3) were identified. The chemical structures of isolated compounds were determined by MS, NMR spectral analysis. This is the first study on the chemical constituents of propolis from Lisotrigona species.