Micronutrient intakes and the role of nutritional supplements in the diets of Irish adults and pre-school children

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dc.contributor.advisor Flynn, Albert en
dc.contributor.author Browne, Fiona A.
dc.date.accessioned 2014-01-13T16:30:12Z
dc.date.issued 2013
dc.date.submitted 2013
dc.identifier.citation Browne, F. A. 2013. Micronutrient intakes and the role of nutritional supplements in the diets of Irish adults and pre-school children. PhD Thesis, University College Cork. en
dc.identifier.uri http://hdl.handle.net/10468/1301
dc.description.abstract To investigate micronutrient intakes and the role of nutritional supplements in the diets of Irish adults aged 18-64 years and pre-school children aged 1-4 years. Analysis is based on data from the National Adult Nutrition Survey (NANS) (n=1274) and the National Pre-School Nutrition Survey (NPNS) (n=500). Food and beverage intakes and nutritional supplement use were recorded using 4-day food records. Nutrients were estimated using WISP© which is based on McCance and Widdowson’s The Composition of Foods, 6thEd and the Irish Food Composition Database. “Meats”, “milk/yoghurt”, “breads”, “fruit/fruit juices” and “breakfast cereals” made important contributions to the intakes of a number of micronutrients. Micronutrient intakes were generally adequate, with the exception of iron (in adult females and 1 year olds) and vitamin D (in all population groups). For iron, zinc, copper and vitamin B6, up to 2% of adults had intakes that exceeded the upper limit (UL). Small proportions of children had intakes of zinc (11%), copper (2%), retinol (4%) and folic acid (5%) exceeding the UL. Nutritional supplements (predominantly multivitamin and/or mineral preparations) were consumed by 28% of adults and 20% of pre-school children. Among users, supplements were effective in reducing the % with inadequate intakes for vitamins A and D (both population groups) and iron (adult females only). Supplement users had a lower prevalence of inadequate intakes for vitamin A and iron compared to non-users. In adults only, users had a lower prevalence of inadequate intakes for magnesium, calcium and zinc, and displayed better compliance with dietary recommendations and lifestyle characteristics compared with non-users. There is poor compliance among women of childbearing age for the recommendation to take a supplement containing 400µg/day of folic acid. These findings are important for the development of nutrition policies and future recommendations for adults and pre-school children in Ireland and the EU. en
dc.description.sponsorship Department of Agriculture, Food and the Marine, Ireland (07/FHRI/UCC/2, National Food Consumption Databases) en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher University College Cork en
dc.rights © 2013, Fiona A. Browne en
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/ en
dc.subject 18-64 year old adults en
dc.subject Nutritional supplements en
dc.subject Pre-school children en
dc.subject Micronutrient intakes en
dc.subject.lcsh Children--Nutrition en
dc.subject.lcsh Vitamins in human nutrition en
dc.title Micronutrient intakes and the role of nutritional supplements in the diets of Irish adults and pre-school children en
dc.type Doctoral thesis en
dc.type.qualificationlevel Doctoral en
dc.type.qualificationname PhD (Food Science and Technology) en
dc.internal.availability Full text not available en
dc.check.info Indefinite en
dc.check.date 10000-01-01
dc.description.version Accepted Version
dc.contributor.funder Department of Agriculture, Food and the Marine, Ireland en
dc.description.status Not peer reviewed en
dc.internal.school Food and Nutritional Sciences en
dc.check.reason This thesis is due for publication or the author is actively seeking to publish this material en
dc.check.opt-out Yes en
dc.thesis.opt-out true *
dc.check.entireThesis Entire Thesis Restricted
dc.check.embargoformat E-thesis on CORA only en
dc.internal.conferring Autumn Conferring 2013 en


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© 2013, Fiona A. Browne Except where otherwise noted, this item's license is described as © 2013, Fiona A. Browne
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