Polyphenol-Rich Foods in the Mediterranean Diet are Associated with Better Cognitive Function in Elderly Subjects at High Cardiovascular Risk
Open accessAbstract
Brain oxidative processes play a major role in age-related cognitive decline, thus consumption of antioxidant-rich foods might help preserve cognition. Our aim was to assess whether consumption of antioxidant-rich foods in the Mediterranean diet relates to cognitive function in the elderly. In asymptomatic subjects at high cardiovascular risk (n = 447; 52% women; age 55-80 y) enrolled in the PREDIMED study, a primary prevention dietary-intervention trial, we assessed food intake and cardiovascular risk profile, determined apolipoprotein E genotype, and used neuropsychological tests to evaluate cognitive function. We also measured urinary polyphenols as an objective biomarker of intake. Associations between energy-adjusted food consumption, urinary polyphenols, and cognitive scores were assessed by multiple linear regression models adjusted for potential confounders. Consumption of some foods was independently related to better cognitive function. The specific associations [regression coefficients (95% confidence intervals)] were: total olive oil with immediate verbal memory [0.755 (0.151-1.358)]; virgin olive oil and coffee with delayed verbal memory [0.163 (0.010-0.316) and 0.294 (0.055-0.534), respectively]; walnuts with working memory [1.191 (0.061-2.322)]; and wine with Mini-Mental State Examination scores [0.252 (0.006-0.496)]. Urinary polyphenols were associated with better scores in immediate verbal memory [1.208 (0.236-2.180)]. Increased consumption of antioxidant-rich foods in general and of polyphenols in particular is associated with better cognitive performance in elderly subjects at high cardiovascular risk. The results reinforce the notion that Mediterranean diet components might counteract age-related cognitive decline.
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The intake of polyphenols in the elderly has been associated with improved cognitive abilities.
“Moreover, the intake of polyphenols in the elderly has been associated with improved cognitive abilities [83, 84].”
From Role of diet and its effects on the gut microbiome in the pathophysiology of mental disorders (2022) · cites this paper as [83]
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- Authors
- Valls-Pedret, C., Lamuela-Raventós, R. M., Medina-Remón, A., Quintana, M., Corella, D., Pintó, X., Martínez-González, M. Á., Estruch, R., & Ros, E.
- Affiliations
- Lipid Clinic, Endocrinology and Nutrition Service, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Hospital Clínic, Barcelona, Spain
- Instituto de Salud Carlos III (ES)
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), Instituto de Salud Carlos III (ISCIII), Spain
- Hospital Clínic de Barcelona (ES)
- Universitat de València (ES)
- RETIC RD06/0045, Instituto de Salud Carlos III (ISCIII), Spain
- Corresponding author
- Ros, Emilio
- Venue
- Journal of Alzheimer's Disease
- Publisher
- SAGE Publications
- Published
- 2012-04-16
- Volume
- 29
- Issue
- 4
- Pages
- 773-782
- ISSN
- 1387-2877 (ISSN-L)
- 1875-8908
- OpenAlex
- W2160106313
- Cited by
- 309
- References
- 62
- Citations by year
- 2026: 12 · 2025: 10 · 2024: 24 · 2023: 22 · 2022: 19 · 2021: 20 · 2020: 28 · 2019: 21 · 2018: 33 · 2017: 25 · 2016: 20 · 2015: 24 · 2014: 25 · 2013: 18 · 2012: 8
- FWCI
- 23.16
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Journal of Alzheimer s Disease (publishedVersion, cc-by-nc)
- PubMed (publishedVersion)
- RECERCAT (Consorci de Serveis Universitaris de Catalunya) (publishedVersion)
- Dipòsit Digital de la Universitat de Barcelona (Universitat de Barcelona) (submittedVersion, public-domain)
- Funders
- Generalitat Valenciana (GVACOMP2010-181)
- Instituto de Salud Carlos III (PI08/1943, PI 07/0473, PI07/0312, RD06/0045, PI07/0954, PI07/0240)
- Topics
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Nutritional Studies and Diet
- Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
- Health Sciences › Medicine › Biochemistry › Phytochemicals and Antioxidant Activities
- Keywords
- Mediterranean diet, polyphenols
- MeSH terms
- Aged, Aged, 80 and over, Aging, Antioxidants, Cardiovascular Diseases, Cognition Disorders, Feeding Behavior, Female, Humans, Male, Middle Aged, Neuropsychological Tests, Risk Factors, Cohort Studies, Linear Models, Diet, Mediterranean, Polyphenols
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