Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/44738
Título: Dietary assessment methods on n-3 fatty acid intake: a systematic review
Autores/as: Øverby, Nina C.
Serra-Majem, Lluis 
Andersen, Lene Frost
Clasificación UNESCO: 3206 Ciencias de la nutrición
Palabras clave: Omega 3 Fatty Acids
Dietary Assessment Methods
Fecha de publicación: 2009
Publicación seriada: British Journal of Nutrition 
Resumen: In order to assess nutritional adequacy, valid estimates of nutrient intake are required. Specifically, the EURopean micronutrient RECommendations Aligned (EURRECA) Network of Excellence needs clear guidelines for assessing the validity of reported micronutrient intakes and n-3 fatty acid (FA) intakes. The aim of the present study was to review the validity of methods used to measure the usual n-3 FA intake of a Population. A systematic literature search was conducted for studies validating the methodology used for measuring the dietary intake of n-3 FA. The quality of the validation studies and the quality of the different dietary assessment methods were assessed using scoring systems developed by EURRECA. Fourteen papers, describing twenty studies, were identified for inclusion. According to the score system developed by EURRECA, all the studies were ranked as average, except two that were ranked as poor. The correlation coefficients between FA in subcutaneous fat and dietary intake of n-3 FA from four FFQ, one weighed record and one 24-h recall ranged between 0.40 and 0.60. Correlations between intake of n-3 FA from five FFQ, one dietary history and three weighed records and blood lipids were similar to the ones observed for subcutaneous fat. The summarised quality of the n-3 FA estimates derived from the FFQ was judged as good or acceptable according to the EURRECA scoring system. The literature describes subcutaneous fat as the best reference method, and the studies where this was used had moderate correlation coefficients and no dietary intake method was superior to any other.
URI: http://hdl.handle.net/10553/44738
ISSN: 0007-1145
DOI: 10.1017/S000711450999314X
Fuente: British Journal of Nutrition [ISSN 0007-1145], v. 102 (sup. 1), p. S56-S63, (Diciembre 2009)
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