Research Article

Anti-Helicobacter pylori, anti-Inflammatory, and Antioxidant Activities of Trunk Bark of Alstonia boonei (Apocynaceae)

Table 3

Screening of aqueous and methanol extracts of A. boonei against H. pylori isolates.

Mean zone diameter (mm)Inhibition zone diameter range (mm)

Clarithromycin0–31
Aqueous extract7–35
Methanol extract7–36

Data are mean values ± standard deviation of 16 independent determinations for each extract or antibiotic control.