Antimicrobial activity of Araucaria cunninghamii Sweet and the chemical constituents of its twigs and leaves

► n-BuOH fraction from Araucaria cunninghamii showed antimicrobial activity. ► Compound 2 possesses broad-spectrum antifungal activity. ► Compound 2 displayed moderate antibacterial activity. ► Compound 1 was found to be a new propanetriol derivative.