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. 2023 May 30;13(6):1288. doi: 10.3390/life13061288

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© 2023 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Results of the different extracts showing crystal violet optical density (OD 570 nm) in function of extracts concentrations. (A–C): antibiofilm eradication activity of Centranthus longiflorus stem extracts on Staphylococcus epidermidis RP62A and Escherichia coli strains. (D–F): antibiofilm prevention activity of C. longiflorus stem extracts on S. epidermidis RP62A and E. coli strains. There was a significant difference for the treated wells compared to the untreated ones. −ve C is crystal violet optical density of blank. a–k indicate significant statistical difference (p < 0.001).