Document Detail

Folic acid food fortification prevents inadequate folate intake among preschoolers from Ontario.
MedLine Citation:
PMID:  19200405     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: Folic acid food fortification has successfully reduced neural tube defect-affected pregnancies across Canada. The effect of this uncontrolled public health intervention on folate intake among Canadian children is, however, unknown. Our objectives were to determine folic acid intake from food fortification and whether fortification promoted adequate folate intakes, and to describe folic acid-fortified food usage among Ontario preschoolers. DESIGN: Cross-sectional data were used from the NutriSTEP validation project with preschoolers recruited using convenience sampling. Mean daily total folate and folic acid intakes were estimated from 3 d food records, which included multivitamin supplement use. Comparisons were made to Dietary Reference Intakes, accounting for and excluding fortificant folic acid, to determine the prevalence of inadequate and excessive intakes. SETTING: Canada. SUBJECTS: Two hundred and fifty-four preschoolers (aged 3-5 years). RESULTS: All participants (130 girls, 124 boys) ate folic acid-fortified foods and 30% (n 76) used folic acid-containing supplements. Mean (SE) fortificant folic acid intake was 83 (2) microg/d, which contributed 30% and 50% to total folate intake for supplement users and non-users, respectively. The prevalence of total folate intakes below the Estimated Average Requirement was <1%; however, excluding fortificant folic acid, the prevalence was 32%, 54% and 47% for 3-, 4- and 5-year-olds, respectively. The overall prevalence of folic acid (fortificant and supplemental) intakes above the Tolerable Upper Intake Level was 2% (7% among supplement users). CONCLUSIONS: Folic acid food fortification promotes dietary folate adequacy and did not appear to result in excessive folic acid intake unless folic acid-containing supplements were consumed.
Kathleen Hennessy-Priest; Jill Mustard; Heather Keller; Lee Rysdale; Joanne Beyers; Richard Goy; Janis Randall Simpson
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2009-02-06
Journal Detail:
Title:  Public health nutrition     Volume:  12     ISSN:  1475-2727     ISO Abbreviation:  Public Health Nutr     Publication Date:  2009 Sep 
Date Detail:
Created Date:  2009-08-06     Completed Date:  2009-11-09     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9808463     Medline TA:  Public Health Nutr     Country:  England    
Other Details:
Languages:  eng     Pagination:  1548-55     Citation Subset:  IM    
Department of Family Relations and Applied Nutrition, University of Guelph, MACS Room 324, Guelph, Ontario, Canada.
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MeSH Terms
Child, Preschool
Cross-Sectional Studies
Dietary Supplements / adverse effects,  utilization*
Dose-Response Relationship, Drug
Folic Acid / administration & dosage*
Folic Acid Deficiency / epidemiology*
Food, Fortified*
Ontario / epidemiology
Reg. No./Substance:
59-30-3/Folic Acid

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

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