Evidence map›Paper›PMID 39619966›Full record

ArticleFood science & nutrition2024

Kaempferol Reduces Cardiopulmonary Load and Muscular Damage in Repeated 400-m Sprints: A Double-Blind, Randomized, Placebo-Controlled Trial.

Koichi Okita, Tsubasa Mizokami, Minoru Akiyama, Yasutaka Ikeda

Abstract read
In one paragraph

Article in Food science & nutrition, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
–field-weighted citation impact
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

4 citing papers in PubMed.

  1. Trial
  2. Trial
  3. Review
  4. Review
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

4 authors.

Koichi OkitaHokusho University Graduate School of Lifelong Sport Ebetsu Hokkaido Japan.ORCID https://orcid.org/0000-0001-8722-3677
Tsubasa MizokamiSaga Nutraceuticals Research Institute Otsuka Pharmaceutical Co., Ltd. Kanzaki-gun Saga Japan.
Minoru AkiyamaSaga Nutraceuticals Research Institute Otsuka Pharmaceutical Co., Ltd. Kanzaki-gun Saga Japan.ORCID https://orcid.org/0000-0002-9757-8874
Yasutaka IkedaOtsu Nutraceuticals Research Institute Otsuka Pharmaceutical Co., Ltd. Otsu Shiga Japan.ORCID https://orcid.org/0000-0002-9128-279X

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Plants exposed to hypoxic conditions have been suggested to produce more biologically active phytochemicals than those exposed to normal oxygen levels. Previously, we investigated 314 highland crop species and showed that the flavonoid kaempferol extracted from a highland quinoa grain markedly increased mitochondrial metabolism and ATP production in a hypoxic environment in vitro. Thus, we hypothesized that kaempferol would be effective during exercise under harsh conditions, in which anaerobic metabolism occurs. This study adopted a double-blind, placebo-controlled, crossover design to investigate the effect of a single oral dose of kaempferol (10 mg) on the athletic performance-related indicators of 13 male university athletes (20.8 ± 0.7 years) who performed two consecutive 400-m runs with the shortest 90-min interval assuming qualifying and main races. Although no significant differences were observed in the 400-m race times between the placebo and kaempferol groups, kaempferol intake markedly reduced the respiratory and heart rates during the second run (

Indexed as

athleteergogenic aidexercise performanceflavonoidhighlandkaempferol

Identifiers

PMID39619966
PMCPMC11606868

What OpenQuestion holds

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Registered trials

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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.