Journal of Epidemiology
Online ISSN : 1349-9092
Print ISSN : 0917-5040
Foods Contributing to Absolute Intake and Variance in Intake of Fat, Fatty Acids and Cholesterol in Middle-aged Japanese
Yuko TokudomeNahomi ImaedaMasato IkedaIkumi KitagawaNakako FujiwaraShinkan Tokudome
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1999 Volume 9 Issue 2 Pages 78-90

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Abstract

On the basis of 351 one-day weighed diet records, we selected foods/recipes contributing to nutrients of interest for a data-based food frequency questionnaire by contribution analysis and multiple regression analysis. Total fat was largely of animal and vegetable origin, irrespective of analytic methods. Saturated fatty acid was mostly from animal and vegetable sources according to contribution analysis, and that of animal origin was the main contributor by multiple regression analysis. Mono-unsaturated fatty acid was substantially supplied by animal and vegetable products by either analytic method. Poly-unsaturated fatty acid, n-6 poly-unsaturated fatty acid and linoleic acid were found to be of vegetable origin and chicken egg according to contribution analysis; while vegetable oil and mayonnaise were the major contributors to variance in intake. Arachidonic acid was, however, mostly provided by animal sources including chieken egg and fish, irrespective of analytic methods. N-3 poly-unsaturated fatty acids and a -linolenic acid were of vegetable and marine origin. Eicosapentaenoic and docosahexaenoic acids were particularly from marine products, irrespective of analytic methods, except for chicken egg in docosahexaenoic acid by contribution analysis. Cholesterol was of animal and marine origin by either analytic method. Thus, foods contributing to absolute intake and variance in intake of fat, fatty acids and cholesterol differed considerably. J Epidemiol, 1999; 9 : 78-90

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