DHA and EPA in Red Blood Cell Membranes Are Associated with Dietary Intakes of Omega-3-rich Fish in Healthy Children

Publication date: Available online 14 August 2017
Source:Prostaglandins, Leukotrienes and Essential Fatty Acids (PLEFA)
Author(s): Colleen A. Parks, Neil R. Brett, Sherry Agellon, Paula Lavery, Catherine A. Vanstone, Jonathon L. Maguire, Frank Rauch, Hope A. Weiler
Omega-3 long-chain polyunsaturated fatty acids (n-3 LCPUFA) are important in child development. The primary objective of this study was to investigate the associations between dietary intakes of n-3 LCPUFA and red blood cell (RBC) n-3 LCPUFA in young children. Healthy children, (2 – 8y) underwent RBC fatty acid profiling. Dietary intakes were parent-reported over 6 mo using three 24h dietary intake assessments and three 30 d food frequency questionnaires (FFQ). Participants (n = 49, 5.6 ± 1.9y), were 59% male, and had a body mass index (BMI) z-score of 0.65 ± 0.84. Dietary n-3 LCPUFA intakes were not different over time. RBC docosahexaenoic acid (DHA) positively correlated with average DHA from the 24h recalls. RBC DHA and eicosapentaenoic acid (EPA) positively correlated with average n-3 LCPUFA-rich fish intake from the FFQ. RBC appear to reflect long-term stable intakes of n-3 LCPUFA during growth in healthy young children.



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