In vitro antimicrobial activity of essential oils from Heterothalamus Less. (Asteraceae) against clinically relevant bacterial and fungal species

Essential oils are natural, complex, and volatile compounds produced by the secondary metabolism of plants, which often serve as a protection against fungal or bacterial attack. Two species of the Asteraceae family, Heterothalamus alienus (Spreng.) O. Kuntze and Heterothalamus psiadioides Less., are used in folk medicine and recognised for their production of bioactive substances. However, little evidence of their antimicrobial properties...