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Estimated intake and major food sources of favonoids among Australian adolescents

Kent, K ORCID: 0000-0002-5330-7044, Charlton, K, OSullivan, T and Oddy, WH ORCID: 0000-0002-6119-7017 2020 , 'Estimated intake and major food sources of favonoids among Australian adolescents' , European Journal of Nutrition , doi: 10.1007/s00394-020-02218-z.

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Abstract

Purpose The consumption of dietary favonoids from plant-based foods has been related to the prevention of multiple chronicdiseases. However, intake data from adolescents are lacking. We aimed to characterise the intake and major sources of dietaryfavonoids among Australian adolescents and investigate changes during adolescence.Methods The Raine Study Gen 2 participants completed a 212-item food frequency questionnaire at age 14 years and17 years, with repeated measures for n=883. Items were assigned a content for six favonoid subclasses using the PhenolExplorer database, which were summed for total favonoid intake. Daily intakes and sources of favonoids and favonoidsubclasses were determined, and change assessed between 14 and 17 years, for males and females.Results Major food sources of favonoids and each subclass were similar at 14 and 17 years, with fruit juice the majorcontributor to total favonoid intake at both time points (providing 44% and 38%, respectively). Citrus favanones (predominantly hesperitin) were the major subclass at 14 years, while tea favan-3-ols were a major subclass (predominantlyprocyanidin dimers) at 17 years. The mean intake of total favonoids at 14 years was 210±133 mg/day, reducing by 5%(10 mg/day) by 17 years. Females consumed a more favonoid-dense diet compared to males (104.5±71.5 mg/1000 kcal vs80.4±50.3 mg/1000 kcal per day; pConclusion This study provides a comprehensive estimation of favonoid intake and their major food sources in a sample ofAustralian adolescents, which may be useful in the development of practical dietary recommendations.

Item Type: Article
Authors/Creators:Kent, K and Charlton, K and OSullivan, T and Oddy, WH
Keywords: flavonoid, adolescent, dietary assessment, raine study
Journal or Publication Title: European Journal of Nutrition
Publisher: Springer
ISSN: 1436-6207
DOI / ID Number: 10.1007/s00394-020-02218-z
Copyright Information:

Copyright 2020 Springer-Verlag GmbH Germany, part of Springer Nature

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