Research Article
Effects of Achyrocline satureioides Inflorescence Extracts against Pathogenic Intestinal Bacteria: Chemical Characterization, In Vitro Tests, and In Vivo Evaluation
Table 4
Antibacterial effect of freeze-dried extracts prepared from an Achyrocline satureioides extractive solution obtained by macerating inflorescences in 80% ethanol (v/v). Antibiotics (chloramphenicol, amoxicillin, and ciprofloxacin), as well as 3-O-methylquercetin (primary flavonoid in the extracts), were tested against strains from gram-positive and gram-negative bacteria. Antibacterial activities were classified as “no activity” (−), “modest” (+), “clear” (++), or “strong” (+++), corresponding to inhibition zones of 1, 2–4, 5–10, and >10 mm, respectively.
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