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Biomass quantification using the crystal violet assay of (A) PA004 and Pa3 and (B) SA007 and SA011 biofilms formed in presence of carboxypyrano-ant extract and carboxypyCy-3-glc at 256, 64 and 16 μg/mL, and in absence of any compound or extract (control). Error bars represent SEM. Differences between the experimental groups and the respective controls were statistically significant for * p < 0.05.
