Abstract Title:

Guarana (Paullinia cupana Mart.) offers protection against gastric lesions induced by ethanol and indomethacin in rats.

Abstract Source:

Phytother Res. 2003 Dec;17(10):1199-202. PMID: 14669256

Abstract Author(s):

A R Campos, A I S Barros, F A Santos, V S N Rao


Full Citation: "The effects of guarana (Paullinia cupana) extract were analyzed in rats on acute gastric lesions induced by ethanol and indomethacin and were compared to those produced by caffeine, a methylxanthine. Guarana (50 and 100 mg/kg p.o.) pretreated animals showed a significant reduction in the severity of gastric lesions induced by absolute ethanol in a manner similar to caffeine (20 and 30 mg/kg p.o.). Against indomethacin-induced gastric ulceration, guarana at a higher dose offered significant protection but caffeine was ineffective at the doses tested. In 4 h pylorus-ligated rats, both guarana and caffeine caused significant diminution in the gastric secretory volume as well as the total acidity. Gastrointestinal transit in mice was not significantly affected by either of these agents. These findings indicate that guarana has a gastroprotective property that needs further elucidation as regards to its mechanism. Copyright 2003 John Wiley & Sons, Ltd.."

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