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Related Experiment Videos

Antacids and bile salts.

E Kivilaakso

    Scandinavian Journal of Gastroenterology. Supplement
    |January 1, 1982
    PubMed
    Summary
    This summary is machine-generated.

    Antacids like aluminium hydroxide bind bile salts, similar to cholestyramine. This property may explain their effectiveness in treating peptic ulcers and bile salt-induced diarrhea.

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    Area of Science:

    • Gastroenterology
    • Pharmacology

    Background:

    • Antacids are commonly used for peptic ulceration.
    • The role of bile salts in gastrointestinal conditions like peptic ulceration and gastritis is significant.
    • Aluminium hydroxide is a widely used antacid.

    Purpose of the Study:

    • To investigate the bile salt and lysolecithin binding properties of antacids, specifically aluminium hydroxide.
    • To compare the binding capacity of aluminium hydroxide to cholestyramine.
    • To explore the implications of these binding properties for therapeutic applications.

    Main Methods:

    • In vitro assessment of bile salt and lysolecithin adsorption by aluminium hydroxide.
    • Comparison of binding affinity and capacity with cholestyramine.
    • Evaluation of the influence of bile salt structure (dihydroxy vs. trihydroxy) and conjugation (glycine vs. taurine) on binding.

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  • Assessment of the effect of ambient pH on binding.

    • Main Results:

    • Aluminium hydroxide demonstrates significant adsorption of bile salts and lysolecithin, comparable to cholestyramine.
    • Binding affinity is higher for dihydroxy bile salts than trihydroxy bile salts.
    • Glycine conjugates of bile salts are bound more strongly than taurine conjugates.
    • Ambient pH does not appear to affect the binding of bile salts by aluminium hydroxide.

    Conclusions:

    • The bile salt-binding capacity of aluminium hydroxide may contribute to its therapeutic benefits in peptic ulcer disease.
    • Aluminium hydroxide's properties suggest potential utility in managing bile salt-induced diarrhea.
    • The efficacy of aluminium hydroxide in bile-reflux gastritis remains uncertain due to the questionable role of bile salt binding in this condition.