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Topic · Pharmacology

Coffee research and impacts

Coffee research and impacts is a research topic within Pharmacology. Science Explorer counts 13k research works in it since 1950. 10.1% of them reached the world's top 10% most cited for their field and year.

This cluster of papers explores the effects of caffeine, coffee, and related compounds on human health, including their impact on metabolism, cognitive performance, type 2 diabetes, cardiovascular disease, and antioxidant activity. It also delves into the potential risks associated with energy drink consumption and the role of chlorogenic acid in health outcomes.

  • Caffeine
  • Coffee
  • Health Effects
  • Energy Drinks
  • Chlorogenic Acid
  • Metabolism
  • Antioxidant Activity
  • Cognitive Performance
  • Type 2 Diabetes
  • Cardiovascular Disease
Research works
13k
fractional, since 1950
In the world top 10%
1.3k
per year above
Top-10% rate
10.1%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+29%
the tick is no change
Largest producer
Indonesia
24% of the 10 largest, 2022-now
Coffee research and impacts

This ranks research output and citation impact. It says nothing about the quality of diagnosis, treatment or care.

Which countries lead Coffee research and impacts research?

By volume, Indonesia and Brazil publish the most (559 and 501 works in 2022-now).

By volume, 2022-now

  1. 1 Indonesia 559 works
  2. 2 Brazil 501 works
  3. 3 United States 331 works
  4. 4 China 326 works
  5. 5 India 125 works
  6. 6 Italy 111 works
  7. 7 Mexico 107 works
  8. 8 Poland 99 works
  9. 9 Colombia 99 works
  10. 10 Ethiopia 94 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

Indonesia: 23.8%Brazil: 21.3%United States: 14.1%China: 13.9%6 others listed: 27.0%24%largest
Indonesia559 · 23.8%Brazil501 · 21.3%United States331 · 14.1%China326 · 13.9%6 others listed636 · 27.0%

Shares of the rows listed above, not of the whole node.

Which institutions lead Coffee research and impacts research?

By volume in 2022-now, Universidade Federal de Lavras publishes the most Coffee research and impacts research, followed by Centro Nacional de Investigaciones de Café and Universitas Syiah Kuala.

By volume, 2022-now

  1. 1 Universidade Federal de LavrasBrazil 51 works
  2. 2 Centro Nacional de Investigaciones de Café 47 works
  3. 3 Universitas Syiah KualaIndonesia 46 works
  4. 4 Ethiopian Institute of Agricultural ResearchEthiopia 38 works
  5. 5 Universitas JemberIndonesia 34 works
  6. 6 University of BrawijayaIndonesia 33 works
  7. 7 Universidade Federal do Espírito SantoBrazil 28 works
  8. 8 Universidade Federal de ViçosaBrazil 28 works
  9. 9 Brazilian Agricultural Research CorporationBrazil 27 works
  10. 10 IPB UniversityIndonesia 23 works

Who are the leading researchers in Coffee research and impacts?

The most-cited researchers publishing on Coffee research and impacts include George Davey Smith, Walter Churchill Willett and Hermann Brenner.

  1. 1 George Davey Smith United Kingdom 435k citations
  2. 2 Walter Churchill Willett United States 411k citations
  3. 3 Hermann Brenner Germany 343k citations
  4. 4 Frank B. Hu United States 281k citations
  5. 5 Josef Coresh United States 272k citations
  6. 6 JoAnn E. Manson United States 263k citations
  7. 7 Amirhossein Sahebkar Iran 258k citations
  8. 8 Carlo La Vecchia Italy 258k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in Coffee research and impacts?

The most cited paper in Coffee research and impacts is "Ameliorating physical and chemical properties of highly weathered soils in the tropics with charcoal - a review" (Bruno Glaser, Johannes C. Lehmann, Wolfgang Zech, 2002), with 2,893 citations. Next come "Actions of Caffeine in the Brain with Special Reference to Factors That Contribute to Its Widespread Use" (2,636) and "HIGH ABSORPTION BUT VERY LOW BIOAVAILABILITY OF ORAL RESVERATROL IN HUMANS" (1,870).

Most cited papers
#PaperReleasedCitations
1 Ameliorating physical and chemical properties of highly weathered soils in the tropics with charcoal - a review Bruno Glaser, Johannes C. Lehmann, Wolfgang Zech · Biology and Fertility of Soils Jun 2002 2,893
2 Actions of Caffeine in the Brain with Special Reference to Factors That Contribute to Its Widespread Use Bertil B. Fredholm, K. Bättig, Janet Holmén et al. · Pharmacological Reviews Mar 1999 2,636
3 HIGH ABSORPTION BUT VERY LOW BIOAVAILABILITY OF ORAL RESVERATROL IN HUMANS Thomas Walle, Faye Hsieh, Mark H. DeLegge et al. · Drug Metabolism and Disposition 27 Aug 2004 1,870
4 Genomic Instability and Aging-like Phenotype in the Absence of Mammalian SIRT6 Raúl Mostoslavsky et al. · Cell Open access 2006 1,649
5 Chlorogenic acid (CGA): A pharmacological review and call for further research Muhammad Naveed, Veghar Hejazi, Muhammad Abbas et al. · Biomedicine & Pharmacotherapy 6 Nov 2017 1,587
All 100 most cited papers, with filters and sorting

Where is Coffee research and impacts research done?

The largest centres of Coffee research and impacts research in 2022-now are Jakarta (Indonesia), São Paulo (Brazil), Lavras (Brazil) and Vitória (Brazil). Among places with at least 20 works in it, it is an unusually large share of all research in Manizales, Lavras and Vitória.

Largest cities, 2022-now

  1. 1 JakartaIndonesia 62 works
  2. 2 São PauloBrazil 60 works
  3. 3 LavrasBrazil 51 works
  4. 4 VitóriaBrazil 50 works
  5. 5 Banda AcehIndonesia 48 works
  6. 6 Addis AbabaEthiopia 47 works
  7. 7 Manizales 47 works
  8. 8 MalangIndonesia 45 works
  9. 9 BeijingChina 44 works
  10. 10 JemberIndonesia 43 works

Where it is the local speciality

  1. Manizales46.6 works1474×
  2. LavrasBR · 50.6 works80×
  3. VitóriaBR · 49.9 works29×
  4. ViçosaBR · 28.1 works28×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Coffee research and impacts than the world average.

See Coffee research and impacts on the map

Where is the best place to study Coffee research and impacts?

Among universities, judged by research, Yunnan Agricultural University, Universidade do Porto and Universidade Federal de Lavras score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%10%20%30%mean 11.53%fractional works in this field (log) →share of work in the world top 10% →Yunnan Agricultural …Universidade do PortoUniversidade de São …Universidade Federal…
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1Yunnan Agricultural UniversityChina 69.925.0%35.6×13 +614.1%
2Universidade do PortoPortugal 60.821.3%3.9×9 +72.4%
3Universidade Federal de LavrasBrazil 60.29.4%88.0×51 -15.6%
4Universidade de São PauloBrazil 54.79.8%3.3×23 +27.1%
5National University Toribio Rodríguez de MendozaPeru 52.312.9%126.1×13 +128.4%
6University of LisbonPortugal 51.812.3%3.0×8 +53.6%
7Universidade Estadual de Campinas (UNICAMP)Brazil 51.215.1%6.1×16 +6.6%
8Universitas Syiah KualaIndonesia 50.90.9%30.6×46 +155.8%
9Ethiopian Institute of Agricultural ResearchEthiopia 50.71.7%92.7×38 +19.5%
10IPB UniversityIndonesia 49.56.9%11.8×23 +139.4%

Universities only. The score blends excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Coffee research and impacts, country by country

Is Coffee research and impacts research growing?

Output in 2022-2025 was 29% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Coffee research and impacts.

still counting19801990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Coffee research and impacts as a percentage of every work published that year, 0.017% in 2024.

still counting0.010%0.020%Coffee research and impacts0.018% in 202519801990200020102020

Fractional works of Coffee research and impacts over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year.

still counting5%10%15%Coffee research and impacts10.2% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

Questions people ask

How much research is there on coffee, and is it growing?

Output in 2022-2025 was 29% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Coffee research and impacts.

Is Coffee research and impacts research growing?
All 1,273 questions in the Question Catalogue

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