Abstract
Fermented barley bran (FBB) using Bacillus spp. is the main ingredient of sigumjang, a traditional fermented food in South Korea. The aim of this study was to evaluate the gastro-protective effects of β-glucan-enriched FBB extracts in an experimental mouse model of the EtOH-induced gastric ulcer. The gastro-protective activity of FBB was determined using histopathological inspection, level of EtOH absorption from the gastrointestinal-tract and measurement of pro-inflammatory cytokine. Pretreatment of FBB showed less gastrointestinal bleeding and reduced EtOH absorption into the bloodstream with the gastric mucosa. Furthermore, FBB effectively reduced the EtOH-induced mRNA expression of tumor necrosis factor α in the gastric mucosa and its level in the blood. These results showed that FBB can prevent gastric mucosal damage induced by acute EtOH-administration in mice by reducing absorption of EtOH by gastric mucosa along with decreasing the inflammatory response. Altogether, this data provides useful information on how β-glucan-enriched food modulates the EtOH-induced gastric mucosal damage, and thus, it could lead to the development of formulations for protecting gastric mucosal injury with acute alcohol intake.
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