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Trace nutrients 4*. Iodine in British food

Published online by Cambridge University Press:  09 March 2007

R. W. Wenlock ,
D. H. Buss ,
R. E. Moxon  and
N. G. Bunton
R. W. Wenlock
Affiliation:
Ministry of Agriculture, Fisheries and Food, London SW1
D. H. Buss
Affiliation:
Ministry of Agriculture, Fisheries and Food, London SW1
R. E. Moxon
Affiliation:
Laboratory of the Government Chemist, London SE1
N. G. Bunton
Affiliation:
Laboratory of the Government Chemist, London SE1
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Abstract

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1. The amounts of iodine in nationally representative samples of prepared and cooked groups of foods and in a wide variety of individual foods and food products were determined colorimetrically. The amounts of erythrosine, a red food colour containing 577 mg I/g were also determined in selected foods and diets by high-performance liquid chromalography.

2. The average British diet was calculated to provide 323 μg I/d but only 255 μg if two fruit samples containing large amounts of glacé cherries were discounted. Of the total, 92 μg was derived from liquid milk. Meat and meat products provided 36 μgand cereal products 31 μg, but fresh fruitsand sugars, vegetables and beverages provided little I. Fish and fish products, though rich in I, contributed only 5% to the total intake.

3. Milk was the most variable as well as the most important individual source of I. Summer milk samples contained 70 μg/kg and winter milk 370 μkg on average. Milk products, including butter and cheese, and eggs were also rich in I.

4. Some processed foods contained erythrosine, particularly glacé cherries and some pink or red confectionery items, biscuits, cherry cake, canned strawberries and luncheon meat. However, none of these are major foods in the average household diet and erythrosine would therefore contribute little more than 10 μg I/d to most diets.

5. The average daily intake of I was lower than in similar studies in the USA, but wastwice the provisional UK recommended intake. This study provides no evidence that I intakes in the UK could be too low or loo high for health.

Type
Papers of direct reference to Clinical and Human Nutrition
Information
British Journal of Nutrition , Volume 47 , Issue 3 , May 1982 , pp. 381 - 390
Copyright
Copyright © The Nutrition Society 1982

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