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Influence of Nutrient Intake on 24 Hour Urinary Hydration Biomarkers Using a Clustering-Based Approach.

William M Adams1, Michael Wininger2,3, Mitchell E Zaplatosch1

  • 1Department of Kinesiology, University of North Carolina at Greensboro, Greensboro, NC 27412, USA.

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|September 30, 2020
PubMed
Summary
This summary is machine-generated.

This study identified nutrient consumption patterns and their link to hydration markers in college students. A specific cluster of nutrients, including water and minerals, was found to predict urine osmolality, suggesting a connection to body water status.

Keywords:
fluid homeostasismacronutrientsmicronutrientsurine osmolalityurine volumewater

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Area of Science:

  • Nutrition Science
  • Physiology
  • Biomarkers

Background:

  • Previous research on nutrient intake and body water homeostasis overlooked nutrient collinearity.
  • Understanding hydration biomarkers requires analyzing nutrient consumption patterns together.

Purpose of the Study:

  • To analyze consumption patterns of 23 nutrients related to osmotic homeostasis.
  • To investigate the association between these nutrient clusters and 24-hour urinary hydration markers.

Main Methods:

  • Hierarchical clustering was used to identify nutrient clusters from 24-hour dietary recalls.
  • Fifty African-American first-year college students participated in a repeated measures observation study.
  • Associations between nutrient clusters and urinary hydration biomarkers were analyzed.

Main Results:

  • Four distinct nutrient clusters were identified based on consumption patterns.
  • Nutrient Cluster #2 (water, calcium, magnesium, erythritol, inositol, sorbitol, xylitol) significantly predicted urine osmolality (p=0.004).
  • No other nutrient clusters showed significant associations with 24-hour urinary hydration biomarkers.

Conclusions:

  • Certain nutrients are often consumed together, forming identifiable clusters.
  • A specific cluster of nutrients, including water and minerals, may influence body water status via urine osmolality.
  • Further research is needed to explore these nutrient-hydration biomarker associations in diverse populations.