SciELO - Scientific Electronic Library Online

 
vol.31 issue5Purine nucleoside phosphorylase and the enzymatic antioxidant defense system in breast milk from women with different levels of arsenic exposureThe FINUT healthy lifestyles guide: beyond the food pyramid author indexsubject indexarticles search
Home Pagealphabetic serial listing  

Services on Demand

Journal

Article

Indicators

Related links

  • On index processCited by Google
  • Have no similar articlesSimilars in SciELO
  • On index processSimilars in Google

Share


Nutrición Hospitalaria

On-line version ISSN 1699-5198Print version ISSN 0212-1611

Abstract

MARAVER, Francisco et al. Magnesium in tap and bottled mineral water in Spain and its contribution to nutritional recommendations. Nutr. Hosp. [online]. 2015, vol.31, n.5, pp.2297-2312. ISSN 1699-5198.  http://dx.doi.org/10.3305/nh.2015.31.5.8589.

An appropriate magnesium intake has proved to have beneficial effects on bone health, reduce insulin resistance and prevent atherosclerosis. Objective: To determine the concentration of magnesium in drinking water and bottled mineral water in Spain and assess its daily contribution to dietary recommendations. Methods: We used ion chromatography to analyse the magnesium concentrations of public drinking waters in a representative sample of 108 Spanish municipalities (supplying 21,290,707 potential individuals) and 109 natural mineral waters sold in Spain (97 Spanish and 12 imported). Results: The water generally contained between 15 and 45 mg/L of magnesium, but in seven municipalities it contained over 45 mg/L. The average magnesium concentration of 97 brands of Spanish natural mineral water was 16.27 mg/L (range: 0.11-141.2 mg/L). Of these, 33 contained between 15 and 45 mg/L of magnesium and four contained over 45 mg/L. Of the 12 imported brands, 4 contained over 45 mg/L. Assuming water consumption is as recommended by the European Food Safety Agency, water containing 15 to 45 mg/L of magnesium provides between 9 and 76.5% of the recommended intake of magnesium for children aged one to thirteen, up to 25.7% in adolescents, between 7.5 and 25.7% for adults, and up to 27% for lactating women. Water with 60 mg/L of magnesium provides between 30 and 102% of the recommended dietary allowance, depending on the age of the individual. Discussion: The consumption of public drinking water and natural mineral water in a third of Spanish cities can be regarded as an important supplementary source of magnesium.

Keywords : Magnesium; Drinking water; Natural mineral water; Water softening; Nutritional requirements.

        · abstract in Spanish     · text in English     · English ( pdf )

 

Creative Commons License All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License