Research Article

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

Table 7

Effect of aqueous and methanol extracts of A. boonei on proteinase.

Concentration (μg/mL)Inhibition (%)

Aqueous extracts67.5
125
250
500
1000

Methanol extracts67.5
125
250
500
1000

Diclofenac67.5
125
250
500
1000