Abstract
The effect of the lyophilized decoction of Salvadora persica on ulceration induced by ethanol, indomethacin and cold restraint stress was investigated in rats. Pre-treatment tests in rats revealed that the extract possessed significant protective action against ulcers induced by ethanol or stress. The protective effect was not altered by indomethacin, administered as a prostaglandin biosynthesis inhibitor. Salvadora persica shows some increase in gastric mucus with a certain diminution in the ulcer index in cold stress-induced ulcers. However, the drug failed to heal ethanol and indomethacin-induced ulcers.