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Background: Among various alcoholic beverages, it has reported that beer has a potent activity to stimulate gastric emptying. Our previous studies showed that beer congener stimulated gastrointestinal motility by directly stimulating muscarinic M3receptor, present in smooth muscles of the gastrointestinal tract. However, active components that account for the action have yet to be identified. We attempted to isolate the stimulant(s) of gastrointestinal motility in beer.

Background: Fusel oil has been reported to have undesirable side effects such as hangover. However, the relationship between fusel oil and hangover has been investigated insufficiently. In this study, we investigated the effects of fusel oil and their ingredients contained in alcoholic beverages by using animal hangover models.

Background: Ethanol and alcoholic beverages are known to affect upper gastrointestinal motility in humans. Beer has been reported to accelerate gastric emptying compared with other beverages that contain the same ethanol concentrations. In this study, we investigated the mechanism that underlies the effects of beer congener on gastrointestinal motility.