Results: The extracts from Maytenus macrocarpa (“Chuchuhuasi”), Dracontium loretense
Krause (“Jergon Sacha”), Tabebuia impetiginosa (“Tahuari”), Eucalyptus
camaldulensis Dehn (eucalyptus), Uncaria tomentosa (“Uña de gato”) exhibited favorable
antibacterial activity against P. aeruginosa. The inhibitory effect of the extracts on
the strains of P. aeruginosa tested demonstrated that Tabebuia impetiginosa and Maytenus
macrocarpa possess higher antibacterial activity.