期刊
BRITISH JOURNAL OF NUTRITION
卷 117, 期 3, 页码 422-431出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S0007114516004347
关键词
Iodine; Dietary intakes; Status; Urinary iodine
资金
- rish Department of Agriculture, Food and the Marine and the Health Research Board under their joint Food for Health Research Initiative [7FHRIUCC2]
I is an important mineral for health, required for the production of key thyroid hormones, which are essential for cellular metabolism, growth and physical development. Hence, adequate I is crucial at all stages of life, but imperative during pregnancy for fetal brain development and during a child's early life for neurodevelopment. Within Ireland, limited information exists on population I intakes and status. Therefore, the purposes of the present analysis were to estimate dietary I intakes and to analyse urinary iodine (UI) status using the cross-sectional National Adult Nutrition Survey 2008-2010 and the most recent Irish Total Diet Study. Median I intakes in the total population (n 1106) were adequate with only 26 % of the population being classified as below the estimated average requirement (EAR). Milk consumption was the major source of I in the diet, contributing 45 % to total intake. Likewise, median UI concentrations (107 mu g/l) indicated 'optimal' I nutrition according to the WHO cut-off points. In our cohort, 77 % of women of childbearing age (18-50 years) did not meet the EAR recommendation set for pregnant women. Although I is deemed to be sufficient in the majority of adult populations resident in Ireland, any changes to the current dairy practices could significantly impact intake and status. Continued monitoring should be of priority to ensure that all subgroups of the population are I sufficient.
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