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  • Title: The effect of ethanol-caffeine interaction on the gastric mucosal barrier.
    Author: Dziaduś-Sokołowska A, Orlef A, Bilski R, Mroczka J.
    Journal: Pol J Pharmacol Pharm; 1989; 41(3):253-8. PubMed ID: 2616384.
    Abstract:
    Potential difference across the stomach wall (PD) is determined by the gastric mucosa electrolyte barrier. The decrease in the PD caused by the "barrier breakers" e.g. aspirin, alcohol and cholic acids is a sensitive index of mucosal damage. We studied the effect of interaction between alcohol and caffeine on the PD in the anesthetized rats. The intragastric administration of 1 ml of 40 vol.% ethanol solution decreased the PD by 39%, of 10 mg of caffeine sodium benzoate by 22% and the simultaneous administration of alcohol and caffeine by 53%. These results indicate that caffeine may enhance the damaging effect of alcohol on the gastric mucosal barrier.
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