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Plasma concentrations of carotenoids and vitamin C are better correlated with dietary intake in normal weight than overweight and obese elderly subjects
Open accessAbstract
Carotenoid and vitamin C intakes, assessed by FFQ, have been positively associated with plasma concentrations in different populations. However, the influence of BMI on these associations has not been explored in detail. We explored in a cross-sectional study the relation between dietary carotenoid and vitamin C intakes, using a 135-item FFQ, with their plasma concentrations by BMI categories in 252 men and 293 women, 65 years and older. For men and women combined, significant (P < 0.05) Pearson correlations were observed between energy-adjusted dietary intakes and plasma concentrations (carotenoids adjusted for cholesterol) for: alpha-carotene 0.21, beta-carotene 0.19, lycopene 0.18, beta-cryptoxanthin 0.20 and vitamin C 0.36. Multiple linear regression analyses showed that the intake of carotenoids and vitamin C were significant predictors of their respective plasma concentration (P<0.01), and that BMI was inversely associated with plasma concentration of carotenoids (P< or =0.01) but not with plasma vitamin C. In addition, we observed significant interactions between BMI and the intakes of alpha-carotene and lutein + zeaxanthin, and to a lower extent beta-carotene, suggesting that these intakes in subjects with high BMI were not good predictors of their plasma concentration. The present data suggest that plasma carotenoids and vitamin C may be good markers of dietary intake in elderly subjects, but not so for alpha-carotene, beta-carotene and lutein + zeaxanthin in obese subjects.
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“They may be altered because of possible interactions with genetic factors, physiologic or health status (ie, age or obesity) (30), dietary factors such as fats for lipophilic biomarkers (31), and lifestyle factors such as alcohol intake or smoking (32).”
From The food metabolome: a window over dietary exposure (2014) · cites this paper as [30]
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Metadata
- Authors
- Vioque, J., Weinbrenner, T., Asensio, L., Castelló, A., Young, I. S., & Fletcher, A.
- Affiliations
- Universitat de Miguel Hernández d'Elx (ES)
- Queen's University Belfast (GB)
- London School of Hygiene & Tropical Medicine (GB)
- Venue
- British Journal Of Nutrition
- Publisher
- Cambridge University Press (CUP)
- Published
- 2007-05
- Volume
- 97
- Issue
- 5
- Pages
- 977-986
- ISSN
- 0007-1145 (ISSN-L)
- 1475-2662
- OpenAlex
- W2136305782
- Cited by
- 141
- References
- 53
- Citations by year
- 2026: 1 · 2025: 4 · 2024: 5 · 2023: 4 · 2022: 5 · 2021: 2 · 2020: 11 · 2019: 9 · 2018: 12 · 2017: 9 · 2016: 13 · 2015: 12 · 2014: 11 · 2013: 9 · 2012: 7
- FWCI
- 3.60
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- British Journal Of Nutrition (publishedVersion)
- PubMed (publishedVersion)
- LSHTM Research Online (London School of Hygiene and Tropical Medicine) (acceptedVersion)
- Zenodo (CERN European Organization for Nuclear Research) (submittedVersion, cc-by)
- Funders
- European Commission
- Generalitat Valenciana (G 03/136)
- Topics
- Health Sciences › Medicine › Biochemistry (medical) › Antioxidant Activity and Oxidative Stress
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Nutritional Studies and Diet
- Health Sciences › Medicine › Biochemistry (medical) › Phytochemicals and Antioxidant Activities
- Keywords
- carotenoids, vitamin C, plasma carotenoid concentrations, dietary intake, body mass index, obesity, overweight, older adults, alpha-carotene, beta-carotene, lycopene, beta-cryptoxanthin, lutein/zeaxanthin, dietary biomarkers, dietary assessment
- MeSH terms
- Lycopene, Aged, Antioxidants, Ascorbic Acid, Energy Intake, Carotenoids, Cholesterol, Cross-Sectional Studies, Diet, Female, Humans, Male, Obesity, Spain, Vitamins, Body Mass Index, Prevalence, beta Carotene, Xanthophylls, Overweight, Cryptoxanthins
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