One way to complement the phytochemical studies is to associate
them with bioassays. For this reason, many natural products
laboratories have entered into their routines simple biological
assays in order to select and monitor the research of plant extracts
in the search for bioactive substances (Nascimento et al., 2008). This
way, the essential oils (EOs) may become an important therapeutic
alternative because the low risk of developing bacterial resistance
due to the presence of different compounds in the essential oil
(Veras et al., 2012).