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. 2020 Mar 10;25(5):1252. doi: 10.3390/molecules25051252

Figure 3.

Figure 3

Effects of avocado honey (AH), chestnut honey (ChH) and polyfloral honey (PH) on membrane integrity of S. aureus CECT 86 (a) and E. coli CECT 515 (b), evaluated using propidium iodide staining. Data at each time point corresponds to mean values of staining index ± standard deviation. NS indicate no significant differences and asterisks indicate significant differences (*: p < 0.05; **: p < 0.01; ***: p < 0.001) between treated cells vs. the control (non-treated cells) and between the two honey concentrations tested for each honey variety.