<p>This is data collected for a PhD experimental research study titled 'Antipathogenic properties of selected South African medicinal plants to combat multidrug-resistant bacteria'. </p>
<p>The data provides a determination of phytochemicals and plant extracts for their antiquorum sensing against <em>Chromobacterium violaceum; biofilm </em>inhibitory effects of plant extracts and phytochemicals against multidrug-resistant bacteria.</p>