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Fat and gastric acid secretion
F Petersen1, O Olsen, L V Jepsen
1Department of Surgery D, Glostrup Hospital, Denmark.
Digestion
|January 1, 1992
Summary
The terminal carboxyl group of oleic acid is crucial for inhibiting gastric acid secretion. This effect may be linked to increased secretin levels, highlighting the role of fatty acid structure in digestive regulation.
Area of Science:
- Gastroenterology
- Physiology
- Molecular Biology
Background:
- Gastric acid secretion is a complex physiological process regulated by various factors.
- Fatty acids in the duodenum can influence digestive functions.
- The specific role of the oleic acid carboxyl group in this regulation requires further elucidation.
Purpose of the Study:
- To investigate the significance of the terminal carboxyl group of oleic acid in modulating gastric acid secretion.
- To compare the inhibitory effects of oleic acid and oleyl alcohol on gastric acid production.
- To explore the potential involvement of secretin in the observed effects.
Main Methods:
- A study involving 6 healthy individuals was conducted.
- Gastric acid secretion was stimulated using pentagastrin.
- Duodenal perfusions with oleic acid or oleyl alcohol were administered to assess their impact.
Main Results:
- Oleic acid significantly inhibited pentagastrin-stimulated gastric acid secretion.
- Oleic acid administration led to increased plasma secretin levels.
- Oleyl alcohol demonstrated no significant effect on gastric acid secretion or secretin levels.
Conclusions:
- The terminal carboxyl group of oleic acid plays a vital role in inhibiting gastric acid secretion.
- The observed inhibition is potentially mediated, in part, by the release of secretin.
- Fatty acid structure is an important determinant of digestive physiological responses.