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A randomized, controlled trial of a Nordic, protein-reduced complementary diet in infants: effects on body composition, growth, biomarkers, and dietary intake at 12 and 18 months
Umeå University, Faculty of Medicine, Department of Clinical Sciences, Paediatrics.ORCID iD: 0000-0002-0830-889x
Umeå University, Faculty of Medicine, Department of Clinical Sciences, Paediatrics.ORCID iD: 0000-0002-8522-2766
Department of Global Public Health, Karolinska Institutet and Centre for Epidemiology and Community Medicine, Stockholm County Council, Stockholm, Sweden.
Umeå University, Faculty of Medicine, Department of Clinical Sciences, Paediatrics.
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2023 (English)In: American Journal of Clinical Nutrition, ISSN 0002-9165, E-ISSN 1938-3207, Vol. 117, no 6, p. 1219-1231Article in journal (Refereed) Published
Abstract [en]

Background: High intake of protein and low intake of plant-based foods during complementary feeding can contribute to negative long-term health effects.

Objectives: To investigate the effects of a protein-reduced, Nordic complementary diet on body composition, growth, biomarkers, and dietary intake, compared with current Swedish dietary recommendations for infants at 12 and 18 mo.

Methods: Healthy, term infants (n = 250) were randomly allocated to either a Nordic group (NG) or a conventional group (CG). From 4 to 6 mo, NG participants received repeated exposures of Nordic taste portions. From 6 to 18 mo, NG was supplied with Nordic homemade baby food recipes, protein-reduced baby food products, and parental support. CG followed the current Swedish dietary recommendations. Measurements of body composition, anthropometry, biomarkers, and dietary intake were collected from baseline and at 12 and 18 mo.

Results: Of the 250 infants, 82% (n = 206) completed the study. There were no group differences in body composition or growth. In NG, protein intake, blood urea nitrogen and plasma IGF-1 were lower compared to CG at 12 and 18 mo. Infants in NG consumed 42% to 45% more fruits and vegetables compared to CG at 12 and 18 mo, which was reflected in a higher plasma folate at 12 and 18 mo. There were no between-group differences in EI or iron status.

Conclusions: Introduction of a predominantly plant-based, protein-reduced diet as part of complementary feeding is feasible and can increase fruit and vegetable intake.

This trial was registered at clinicaltrials.gov as NCT02634749.

Place, publisher, year, edition, pages
Elsevier, 2023. Vol. 117, no 6, p. 1219-1231
Keywords [en]
complementary feeding, early nutrition, fruit, infancy, infant feeding, Nordic diet, plant-based food, repeated exposure, vegetables
National Category
Nutrition and Dietetics
Identifiers
URN: urn:nbn:se:umu:diva-206971DOI: 10.1016/j.ajcnut.2023.03.020ISI: 001015232200001PubMedID: 36990225Scopus ID: 2-s2.0-85152423063OAI: oai:DiVA.org:umu-206971DiVA, id: diva2:1752671
Funder
Region Västerbotten, VLL-644531Region Västerbotten, VLL-488901Region Västerbotten, VLL-677921Region Västerbotten, VLL-761381Umeå UniversityAvailable from: 2023-04-24 Created: 2023-04-24 Last updated: 2023-09-05Bibliographically approved

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Johansson, UlricaÖhlund, IngerHernell, OlleLind, Torbjörn

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