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Sodium-bicarbonated mineral water decreases aldosterone levels without affecting urinary excretion of bone minerals

AuthorsSchoppen, S.; Pérez Granados, Ana M. ; Carbajal, A.; Sarriá, Beatriz ; Navas-Carretero, S.; Vaquero, M. Pilar
Issue Date2008
PublisherTaylor & Francis
CitationInternational Journal of Food Sciences and Nutrition 59: 347- 355 (2008)
AbstractAim: To assess in healthy postmenopausal women the influence of consuming sodium-bicarbonated mineral water on postprandial evolution of serum aldosterone and urinary electrolyte excretion. Methods: Eighteen postmenopausal women consumed 500 ml of two sodium-bicarbonated mineral waters (sodium-bicarbonated mineral water 1 and sodium-bicarbonated mineral water 2) and a low-mineral water with a standard meal. Postprandial blood samples were taken at 60, 120, 240, 360 and 420 min and aldosterone concentrations were measured. Postprandial urinary minerals were determined. Results: Urinary and total mineral excretion and urinary mineral concentrations did not differ except for sodium concentration, which was significantly higher with sodium-bicarbonated mineral water 1 than with low-mineral water (P = 0.005). There was a time effect (P = 0.003) on the aldosterone concentration. At 120 min, aldosterone concentrations were lower with sodium-bicarbonated mineral water 1 (P = 0.021) and sodium-bicarbonated mineral water 2 (P=0.030) compared with low-mineral water. Conclusion: Drinking a sodium-rich bicarbonated mineral water with a meal increases urinary sodium concentration excretion without changes in the excretion of potassium and bone minerals.
Identifiersdoi: 10.1080/09637480701560308
issn: 0963-7486
Appears in Collections:(IF) Artículos
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