Microbial Phenolic Metabolites Are Associated with Improved Cognitive Health
- PMID: 38062915
- DOI: 10.1002/mnfr.202300183
Microbial Phenolic Metabolites Are Associated with Improved Cognitive Health
Abstract
Scope: Diets rich in polyphenols has been associated with better cognitive performance. The aim of this study is to assess the relationship between microbial phenolic metabolites (MPM) in urine and cognition in the context of an older population at high cardiovascular risk.
Methods and results: A cross-sectional analysis is conducted in 400 individuals of the PREDIMED-Plus study. Liquid chromatography coupled to mass spectrometry is used to identify urinary MPM. Mediterranean diet (MedDiet) adherence is estimated with a 17-item questionnaire and cognitive function is evaluated with a battery of neuropsychological tests. Multivariable-adjusted linear regression models are fitted to assess the relationship of urinary MPM with the MedDiet and cognitive tests. Protocatechuic acid and enterolactone glucuronide are associated with higher adherence to the MedDiet. Regarding cognitive function, protocatechuic acid, vanillic acid glucuronide, 3-hydroxybenzoic acid, enterodiol glucuronide, and enterolactone glucuronide are directly associated with a global composite score of all the cognitive tests. Furthermore, protocatechuic acid and enterolactone glucuronide are associated with higher scores in the Mini-Mental State Examination, whereas enterodiol glucuronide is associated with improved Clock Drawing Test scores.
Conclusions: These results suggest that the MedDiet is linked to MPM associated with better cognitive performance in an older population.
Keywords: Mediterranean diet; PREDIMED-Plus; bioactive compounds; cognition; neurodegeneration.
© 2023 The Authors. Molecular Nutrition & Food Research published by Wiley-VCH GmbH.
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Grants and funding
- Instituto de Salud Carlos III
- Paramount Farms
- Hojiblanca
- FOLIUM project
- AGL2016-75329-R/Comisión Interministerial de Ciencia y Tecnología
- Recercaixa
- https://cordis.europa.eu/project/id/340918/H2020 European Research Council
- American Pistachio Growers
- Almond Board of California
- 2021-SGR-00334/Generalitat de Catalunya
- AGL2016-75329-R/Generalitat de Catalunya
- AEI 10.13039/501100011033/Ministerio de Ciencia e Innovación
- CEX2021-001234-M/Ministerio de Ciencia e Innovación
- Institució Catalana de Recerca i Estudis Avançats
- Patrimonio Comunal Olivarero
- PROMETEO/2017/017/Generalitat Valenciana
- PROMETEO/2021/21/Generalitat Valenciana
- SEMERGEN
- European Regional Development Fund
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