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. 2013 Sep 23;2013:101089. doi: 10.1155/2013/101089

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Copyright © 2013 Marcin Rozalski et al.

This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

PMC Copyright notice

Antibiofilm activity of Humulus lupulus-derived extracts and xanthohumol against S. aureus ATCC 29213. Bacteria were cultured for 24 h in absence or constant presence of the phytocompounds used at their 1/2, 1/4, and 1/8 MICs. Biofilm formation was assessed using a LIVE/DEAD BacLight kit. Results are presented as the percentage of the biomass viability, compared to the control. All presented results are mean from 2 independent experiments performed in quadruplicate ± S.D. Black bars: control; grey bars: spent hops; open bars: hop cones; striped bars: xanthohumol.