Journal
BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE
Volume 15, Issue -, Pages -Publisher
BMC
DOI: 10.1186/s12906-015-0819-9
Keywords
Gastric ulcer; Carob pods; Oxidative stress; Antioxidant capacity; Rat
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Funding
- Tunisian Ministry of Enseignement Superieur et Recherche Scientifique
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Background: We aimed in the present study, at investigating the gastroprotective effect of carob pods aqueous extract (CPAE) against ethanol-induced oxidative stress in rats as well as the mechanism implicated. Methods: Adult male wistar rats were used and divided into six groups of ten each: control, EtOH (80 % v/v, 4 g/kg b.w.), EtOH 80 % + various doses of CPAE (500, 1000 and 2000 mg/kg, b.w.) and EtOH + Famotidine (10 mg/kg, p.o.) Animals were perorally (p.o.) pre-treated with CPAE during 15 days and intoxicated with a single oral administration of EtOH (4 g/kg b.w.) for two hours. Results: The colorimetric analysis demonstrated that the CPAE exhibited an importance in vitro antioxidant activity against ABTS and DPPH radicals. We found that CPAE pretreatment in vivo, protected against EtOH-induced macroscopic and histological changes induced in stomach mucosa. Carob extract administration also protected against alcohol-induced volume gastric juice decrease. More importantly, We showed that CPAE counteracted EtOH-induced gastric lipoperoxidation, reversed the decrease of sulfhydryl groups (-SH) an hydrogen peroxide (H2O2) levels, and prevented the depletion of antioxidant enzyme activity of superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPx). Conclusions: These findings suggest that CPAE exerted a potential gastro-protective effect against EtOH-induced oxidative stress in rats, due in part, to its antioxidants properties.
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