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Erschienen in: European Journal of Nutrition 3/2020

09.05.2019 | Original Contribution

Is high oily fish intake achievable and how does it affect nutrient status in 8–9-year-old children?: the FiSK Junior trial

verfasst von: Stine Vuholm, Marie N. Teisen, Nanna Glent Buch, Ken D. Stark, Jette Jakobsen, Christian Mølgaard, Lotte Lauritzen, Camilla T. Damsgaard

Erschienen in: European Journal of Nutrition | Ausgabe 3/2020

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Abstract

Purpose

Most children do not meet dietary guidelines for fish intake. Fish is the main source of EPA (20:5n-3), DHA (22:6n-3) and vitamin D, but may replace better iron sources such as meat. We investigated if intake of 300 g/week oily fish was achievable in children and how it affected their nutrient status. Additionally, we validated a fish food frequency questionnaire (FFQ) by correlations against EPA + DHA in red blood cells (RBC).

Methods

In a randomised 12-week trial, 199 children (8–9 years) received oily fish or poultry (control) to be eaten five times/week. We measured dietary intake and analysed fasting RBC EPA + DHA, serum 25-hydroxyvitamin D (25(OH)D), blood haemoglobin and plasma ferritin.

Results

197 (99%) children completed the study. The median (25th–75th percentile) intake was 375 (325–426) and 400 (359–452) g/week oily fish and poultry, respectively. The fish group increased their intake of EPA + DHA by 749 (593–891) mg/day and vitamin D by 3.1 (1.6–3.8) µg/day. Endpoint RBC EPA + DHA was 2.3 (95% CI 1.9; 2.6) fatty acid %-point higher than the poultry group (P < 0.001). The fish group avoided the expected 25(OH)D winter decline (P < 0.001) and had 23%-point less vitamin D insufficiency (winter subgroup, n = 82). Haemoglobin and ferritin decreased slightly in both groups (P < 0.05), but the number of children with low values did not change (P > 0.14). FFQ estimates moderately reflected habitual intake (r = 0.28–0.35) and sufficiently captured intervention-introduced changes in intake (r > 0.65).

Conclusion

Oily fish intake of 300 g/week was achievable and improved children’s EPA + DHA and 25(OH)D status, without markedly compromising iron status. These results justify public health initiatives focusing on children’s fish intake.
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Metadaten
Titel
Is high oily fish intake achievable and how does it affect nutrient status in 8–9-year-old children?: the FiSK Junior trial
verfasst von
Stine Vuholm
Marie N. Teisen
Nanna Glent Buch
Ken D. Stark
Jette Jakobsen
Christian Mølgaard
Lotte Lauritzen
Camilla T. Damsgaard
Publikationsdatum
09.05.2019
Verlag
Springer Berlin Heidelberg
Erschienen in
European Journal of Nutrition / Ausgabe 3/2020
Print ISSN: 1436-6207
Elektronische ISSN: 1436-6215
DOI
https://doi.org/10.1007/s00394-019-01981-y

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