Evidence map›Paper›PMID 33946461›Full record

ReviewAntioxidants (Basel, Switzerland)2021

Plant Foods Rich in Antioxidants and Human Cognition: A Systematic Review.

Luciana Baroni, Anna Rita Sarni, Cristina Zuliani

Open access · goldAbstract readReview
In one paragraph

Review in Antioxidants (Basel, Switzerland), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed, 2 pooled it
8.4field-weighted citation impact, top 2% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

31 citing papers in PubMed, 2 syntheses or guidelines pooled it, 63 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
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  7. Article
  8. Review
  9. Review
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  11. Review
  12. Article
  13. Review
  14. Article
  15. Article
  16. Phytochemical Profiling and Biological Activities ofPlants (Basel, Switzerland) · 2023
    Review
  17. The Effect ofMicroorganisms · 2023
    Article
  18. Article
  19. Bioactive Compounds for Customized Brain Health: What Are We and Where Should We Be Heading?International journal of environmental research and public health · 2023
    Review
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors at 1 institution in 1 country.

Luciana BaroniScientific Society for Vegetarian Nutrition, I-30171 Venice, Italy.ORCID 0000-0001-5263-6084
Anna Rita SarniScientific Society for Vegetarian Nutrition, I-30171 Venice, Italy.
Cristina ZulianiNeurology Unit, Mirano Hospital, I-30035 Mirano, Venice, Italy.
Ospedale di Mirano · IT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Oxidative stress can compromise central nervous system integrity, thereby affecting cognitive ability. Consumption of plant foods rich in antioxidants could thereby protect cognition. We systematically reviewed the literature exploring the effects of antioxidant-rich plant foods on cognition. Thirty-one studies were included: 21 intervention, 4 cross-sectional (one with a cohort in prospective observation as well), and 6 prospective studies. Subjects belonged to various age classes (young, adult, and elderly). Some subjects examined were healthy, some had mild cognitive impairment (MCI), and some others were demented. Despite the different plant foods and the cognitive assessments used, the results can be summarized as follows: 7 studies reported a significant improvement in all cognitive domains examined; 19 found significant improvements only in some cognitive areas, or only for some food subsets; and 5 showed no significant improvement or no effectiveness. The impact of dietary plant antioxidants on cognition appears promising: most of the examined studies showed associations with significant beneficial effects on cognitive functions-in some cases global or only in some specific domains. There was typically an acute, preventive, or therapeutic effect in young, adult, and elderly people, whether they were healthy, demented, or affected by MCI. Their effects, however, are not attributable only to anti-oxidation.

Indexed as

agingantioxidantscognitioncognitive impairmentflavonoidsneurodegenerationoxidative stressphytochemicalspolyphenols

Identifiers

PMID33946461
PMCPMC8147117
OpenAlexW3159369527

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.