Antimicrobial activity of natural products from the flora of Northern Ontario, Canada.

Context: The number of multidrug resistant (MDR) microorganisms is increasing and the antimicrobial resistance expressed by these pathogens is generating a rising global health crisis. In fact, there are only a few antimicrobial agents left that can be used against MDR bacteria and fungi.

Objective: In this study, the antimicrobial activities of selected natural products from the flora of Northern Ontario against selected microorganisms are reported.