Culture media, antibiotics and phytochemical solutions
Brain Heart Infusion (as liquid and solid media) and MuellerHinton
agar were used. The following antibiotic solutions were
prepared prior incorporation into the liquid medium:
Chloramphenicol (Carlo Erba) (500 µg/mL); Ampicillin
(Honorterápica) (500 µg/mL), and Tetracycline (Bristol) (500
µg/mL). The phytochemical solutions used were: Benzoic Acid
(Sigma) dissolved in water, Cinnamic Acid (Fluka), Eugenol
(Sigma), and Farnesol (Dragoco) dissolved in ethanol at 10%
concentration