Abstract
Gastroprotective mechanism of peganine hydrochloride isolated from Peganum harmala seeds was investigated. Peganine hydrochloride was evaluated against cold restraint (CRU), aspirin (AS), alcohol (AL) and pyloric ligation (PL) induced gastric ulcer models in rats. Potential anti-ulcer activity of peganine was observed against CRU (50.0%), AS (58.5%), AL (89.41%) and PL (62.50%) induced ulcer models. The reference drug omeprazole (10mg/kg, p.o.) showed 77.45% protection against CRU, 49.97% against AS and 69.42% against PL model. Sucralfate, another reference drug (500mg/kg, p.o.) showed 62.50% protection in AL induced ulcer model. Peganine significantly reduced free acidity (33.38%), total acidity (38.09%) and upregulated mucin secretion by 67.91%, respectively. Further, peagnine significantly inhibited H+ K+-ATPase activity in vitro with IC50 of 73.47μg/ml as compared to the IC50 value of omeprazole (30.24μg/ml) confirming its anti-secretory activity.
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