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. 2020 Nov 30;25(23):5654. doi: 10.3390/molecules25235654

Figure 1.

Figure 1

Biofilm formation in the presence of non-concentrated hydrolates (a) and concentrated hydrolates (b). Bars represent standard deviation, n = 3. HHD—hydrolate obtained by hydrodistillation; HSD—hydrolate obtained by steam distillation; HHD_SPE—hydrolate obtained by hydrodistillation and 50× concentrated using solid phase extraction (SPE); HSD_SPE—hydrolate obtained by steam distillation and 50× concentrated using SPE. Red lines—biofilm formation of strains in water (a), biofilm formation of strains in extraction solvent (b); values above/below the red lines—increased/reduced biofilm formation due to hydrolate presence.