Medium resuspended lyophilized aqueous extracts of different organs of Amazonian medicinal plants
were assayed by in vitro screening for antimicrobial activity. ATCC and standardized microorganisms obtained from
Oswaldo Cruz Foundation/Brazil were individually and homogeneously grown in agar plate, and holes previously
perforated in the gel were filled with diluted plant aqueous extracts. Inhibition halos were evaluated and controlled
by the use of the fluoroquinolone ciprofloxacin