Document Detail


Dietary boron intakes of selected populations in the United States.
MedLine Citation:
PMID:  10050909     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Knowledge of daily boron (B) intakes will assist researchers in establishing B requirements and elucidating the metabolic role of B in humans. B concentrations in commonly consumed foods were utilized to approximate the B intake of selected US populations. Triplicate food samples were digested at low temperatures with 16 M HNO3 and 30% H2O2, and analyzed by inductively coupled plasma spectroscopy (ICP). Milk and dairy products, juices, and beverages were the largest contributors to dietary B. Total B content of average daily diets ranged from 548 microg for toddlers (2 yr old) to 883 microg for mature males (60-65 yr old), excluding tap water contributions. Toddlers consumed 3.7 times more B than mature males when adjusted for body weight (body wt) and consumed the diet with the highest boron density (1.8 microg/kJ or 0.43 microg/kcal). Adolescent females consumed a diet with the lowest B density (1.12 microg/kJ or 0.26 microg/kcal). Food B concentrations applied to diet records (1020 microg/d) and ICP analysis of the corresponding food composites (1170 microg/d) were comparable (p < 0.05). Current estimations of B in US diets are consistent with reports in the literature stating that normal adult daily B intakes are approx 1 mg.
Authors:
S L Meacham; C D Hunt
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Biological trace element research     Volume:  66     ISSN:  0163-4984     ISO Abbreviation:  Biol Trace Elem Res     Publication Date:  1998  
Date Detail:
Created Date:  1999-05-04     Completed Date:  1999-05-04     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  7911509     Medline TA:  Biol Trace Elem Res     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  65-78     Citation Subset:  IM    
Affiliation:
Department of Human Nutrition, Winthrop University, Rock Hill, SC 29733, USA.
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Aged
Body Composition
Body Weight / physiology
Boron / administration & dosage*,  analysis*,  metabolism
Child, Preschool
Diet Surveys*
Energy Intake
Female
Food Analysis*
Humans
Infant
Infant, Newborn
Male
Middle Aged
Nutritional Requirements
Sports / physiology
United States
Water / administration & dosage
Chemical
Reg. No./Substance:
7440-42-8/Boron; 7732-18-5/Water

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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