Abstract Title:

Resveratrol, pterostilbene, and baicalein: plant-derived anti-biofilm agents.

Abstract Source:

Folia Microbiol (Praha). 2017 Oct 2. Epub 2017 Oct 2. PMID: 28971316

Abstract Author(s):

Irena Kolouchová, Olga Maťátková, Martina Paldrychová, Zdeněk Kodeš, Eva Kvasničková, Karel Sigler, Alena Čejková, Jan Šmidrkal, Kateřina Demnerová, Jan Masák

Article Affiliation:

Irena Kolouchová


Microbial adhesion to surfaces and the subsequent biofilm formation may result in contamination in food industry and in healthcare-associated infections and may significantly affect postoperative care. Some plants produce substances with antioxidant and antimicrobial properties that are able to inhibit the growth of food-borne pathogens. The aim of our study was to evaluate antimicrobial and anti-biofilm effect of baicalein, resveratrol, and pterostilbene on Candida albicans, Staphylococcus epidermidis, Pseudomonas aeruginosa, and Escherichia coli. We determined the minimum inhibitory concentrations (MIC), the minimum adhesion inhibitory concentration (MAIC), and the minimum biofilm eradication concentration (MBEC) by crystal violet and XTT determination. Resveratrol and pterostilbene have been shown to inhibit the formation of biofilms as well as to disrupt preformed biofilms. Our results suggest that resveratrol and pterostilbene appear potentially very useful to control and inhibit biofilm contaminations by Candida albicans, Staphylococcus epidermidis, and Escherichia coli in the food industry.

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