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Evaluation of Modern Approaches for the Assessment of Dietary Carotenoids as Markers for Fruit and Vegetable Consumption

  • The assessment of dietary carotenoids via blood measurements has been widely used as a marker for fruit and vegetable consumption. In the present study, modern, non-invasive approaches to assess dietary carotenoids, such as skin measurements and an app-based short dietary record (ASDR), were compared with conventional methods such as plasma status and handwritten 3-day dietary records. In an 8-week observational study, 21 healthy participants aged 50–65 years recorded their daily consumption of carotenoid-rich fruits and vegetables via a specially developed ASDR. Anthropometry, blood samplings and assessment of skin carotenoids via Raman and reflection spectroscopy were performed at baseline, after four weeks and at the end of the study. App-based intake data showed good correlations with plasma α-carotene (r = 0.74, p < 0.0001), β-carotene (r = 0.71, p < 0.0001), and total plasma carotenoids (r = 0.65, p < 0.0001); weak correlations with plasma lutein/zeaxanthin and β-cryptoxanthin (both r = 0.34, p < 0.05); and no correlation with plasma lycopene. Skin measurements via reflection and Raman spectroscopy correlated well with total plasma carotenoids (r = 0.81 and 0.72, respectively; both p < 0.0001), α-carotene (r = 0.75–0.62, p < 0.0001), and β-carotene (r = 0.79–0.71, p < 0.0001); moderately with plasma lutein/zeaxanthin (both r = 0.51, p < 0.0001); weakly with plasma β-cryptoxanthin (r = 0.40–0.31, p < 0.05); and showed no correlation with plasma lycopene. Skin measurements could provide a more convenient and noninvasive approach of estimating a person’s fruit and vegetable consumption compared to traditional methods, especially in studies that do not intend blood sampling. ASDR records might function as a suitable, convenient tool for dietary assessment in nutritional intervention studies.

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Metadaten
Author:Thorsten HenningORCiD, Philipp Wagner, Egbert GedatORCiD, Bastian KochlikORCiD, Paula Kusch, Kay SowoidnichORCiD, Marko Vastag, Jeannine Gleim, Marcel Braune, Martin Maiwald, Bernd Sumpf, Tilman Grune, Daniela WeberORCiD
URN:urn:nbn:de:kobv:526-opus4-17280
DOI (Version of Record):https://doi.org/10.3390/nu15071665
ISSN:2072-6643
Parent Title (English):Nutrients
Publisher:MDPI
Document Type:Article
Language:English
Year of Publication:2023
Publishing Institution:Technische Hochschule Wildau
Release Date:2023/04/03
Tag:Raman; app; blood; carotenoid; dietary record; e-health; skin measurement; spectroscopy; vitamin
Volume:15
Issue:7
Article Number:1665
Software:Henning, T.; Wagner, P.; Gedat, E.; Kochlik, B.; Kusch, P.; Sowoidnich, K.; Vastag, M.; Gleim, J.; Braune, M.; Maiwald, M.; Sumpf, B.; Grune, T.; Weber, D. Evaluation of Modern Approaches for the Assessment of Dietary Carotenoids as Markers for Fruit and Vegetable Consumption. Nutrients 2023, 15, 1665. https://doi.org/10.3390/nu15071665
Faculties an central facilities:Fachbereich Ingenieur- und Naturwissenschaften
Dewey Decimal Classification:0 Informatik, Informationswissenschaft, allgemeine Werke / 00 Informatik, Wissen, Systeme / 005 Computerprogrammierung, Programme, Daten
6 Technik, Medizin, angewandte Wissenschaften / 61 Medizin und Gesundheit / 613 Persönliche Gesundheit und Sicherheit
Licence (German):Creative Commons - CC BY - Namensnennung 4.0 International
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