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Topic · Pathology and Forensic Medicine

Tea Polyphenols and Effects

Tea Polyphenols and Effects is a research topic within Pathology and Forensic Medicine. Science Explorer counts 20k research works in it since 1950. 9.9% of them reached the world's top 10% most cited for their field and year.

This cluster of papers explores the health effects, metabolism, and antioxidant functions of tea polyphenols, particularly catechins found in green tea. It covers topics such as cancer prevention, cardiovascular health, obesity, neuroprotection, and antimicrobial properties.

  • Tea Polyphenols
  • Green Tea
  • Catechins
  • Antioxidant
  • Cancer Prevention
  • Metabolism
  • Cardiovascular Health
  • Obesity
  • Neuroprotection
  • Antimicrobial
Research works
20k
fractional, since 1950
In the world top 10%
2k
per year above
Top-10% rate
9.9%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+43%
the tick is no change
Largest producer
China
57% of the 10 largest, 2022-now
Tea Polyphenols and Effects

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

Which countries lead Tea Polyphenols and Effects research?

By volume, China and Indonesia publish the most (2.2k and 355 works in 2022-now).

By volume, 2022-now

  1. 1 China 2.2k works
  2. 2 Indonesia 355 works
  3. 3 India 300 works
  4. 4 United States 256 works
  5. 5 Brazil 163 works
  6. 6 Japan 153 works
  7. 7 Türkiye 153 works
  8. 8 South Korea 130 works
  9. 9 Italy 100 works
  10. 10 Poland 83 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.

China: 56.9%Indonesia: 9.0%India: 7.7%United States: 6.5%6 others listed: 19.9%57%largest
China2,231 · 56.9%Indonesia355 · 9.0%India300 · 7.7%United States256 · 6.5%6 others listed782 · 19.9%

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

Which institutions lead Tea Polyphenols and Effects research?

By volume in 2022-now, Chinese Academy of Agricultural Sciences publishes the most Tea Polyphenols and Effects research, followed by Anhui Agricultural University and Hunan Agricultural University.

By volume, 2022-now

  1. 1 Chinese Academy of Agricultural SciencesChina 270 works
  2. 2 Anhui Agricultural UniversityChina 95 works
  3. 3 Hunan Agricultural UniversityChina 52 works
  4. 4 Ministry of Agriculture and Rural AffairsChina 52 works
  5. 5 Fujian Agriculture and Forestry UniversityChina 46 works
  6. 6 Chinese Academy of SciencesChina 43 works
  7. 7 Zhejiang UniversityChina 42 works
  8. 8 Jiangnan UniversityChina 34 works
  9. 9 Nanchang UniversityChina 33 works
  10. 10 Guizhou UniversityChina 32 works

Who are the leading researchers in Tea Polyphenols and Effects?

The most-cited researchers publishing on Tea Polyphenols and Effects include Walter Churchill Willett, Luigi Ferrucci and Frank B. Hu.

  1. 1 Walter Churchill Willett United States 411k citations
  2. 2 Luigi Ferrucci United States 281k citations
  3. 3 Frank B. Hu United States 281k citations
  4. 4 JoAnn E. Manson United States 263k citations
  5. 5 Xiaogang Wang China 260k citations
  6. 6 Amirhossein Sahebkar Iran 258k citations
  7. 7 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 Tea Polyphenols and Effects?

The most cited paper in Tea Polyphenols and Effects is "Polyphenols: food sources and bioavailability" (Claudine Manach, Augustin Scalbert, Christine Morand et al., 2004), with 8,154 citations. Next come "Cancer Chemopreventive Activity of Resveratrol, a Natural Product Derived from Grapes" (4,949) and "Bioavailability and bioefficacy of polyphenols in humans. I. Review of 97 bioavailability studies" (4,212).

Most cited papers
#PaperReleasedCitations
1 Polyphenols: food sources and bioavailability Claudine Manach, Augustin Scalbert, Christine Morand et al. · American Journal of Clinical Nutrition Open access May 2004 8,154
2 Cancer Chemopreventive Activity of Resveratrol, a Natural Product Derived from Grapes Meishiang Jang, Lining Cai, George Udeani et al. · Science 10 Jan 1997 4,949
3 Bioavailability and bioefficacy of polyphenols in humans. I. Review of 97 bioavailability studies Claudine Manach, Gary Williamson, Christine Morand et al. · American Journal of Clinical Nutrition Open access 2005 4,212
4 Therapeutic potential of resveratrol: the in vivo evidence Joseph A. Baur, David A. Sinclair · Nature Reviews Drug Discovery Review 26 May 2006 3,951
5 Small molecule activators of sirtuins extend Saccharomyces cerevisiae lifespan Konrad T. Howitz, Kevin J. Bitterman, Haim Yosef Cohen et al. · Nature 24 Aug 2003 3,797
All 100 most cited papers, with filters and sorting

Where is Tea Polyphenols and Effects research done?

The largest centres of Tea Polyphenols and Effects research in 2022-now are Beijing (China), Hangzhou (China), Hefei (China) and Changsha (China). Among places with at least 20 works in it, it is an unusually large share of all research in Ya'an.

Largest cities, 2022-now

  1. 1 BeijingChina 267 works
  2. 2 HangzhouChina 212 works
  3. 3 HefeiChina 123 works
  4. 4 ChangshaChina 93 works
  5. 5 GuangzhouChina 86 works
  6. 6 FuzhouChina 79 works
  7. 7 WuhanChina 77 works
  8. 8 ShanghaiChina 73 works
  9. 9 KunmingChina 70 works
  10. 10 ChengduChina 66 works

Where it is the local speciality

  1. Ya'anCN · 25.7 works18×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Tea Polyphenols and Effects than the world average.

See Tea Polyphenols and Effects on the map

Where is the best place to study Tea Polyphenols and Effects?

Among universities, judged by research, Anhui Agricultural University, Beijing Technology and Business University and Hunan Agricultural University 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%20%40%mean 21.97%fractional works in this field (log) →share of work in the world top 10% →Beijing Technology a…Jiangnan UniversityHunan Agricultural U…Anhui Agricultural U…
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
1Anhui Agricultural UniversityChina 72.716.8%125.5×95 +59.3%
2Beijing Technology and Business UniversityChina 68.324.9%30.3×28 +95.7%
3Hunan Agricultural UniversityChina 65.620.5%76.5×52 +173.6%
4Jiangnan UniversityChina 65.321.7%13.0×34 +92.3%
5Fujian Agriculture and Forestry UniversityChina 63.820.0%45.2×46 +243.7%
6Huazhong Agricultural UniversityChina 63.522.6%19.1×28 +60.8%
7Jiangsu UniversityChina 62.328.4%4.9×18 +70.0%
8Rutgers, The State University of New JerseyUnited States 61.331.2%3.5×12 +6.2%
9Nanchang UniversityChina 59.518.2%9.9×33 +61.6%
10Guizhou UniversityChina 55.615.4%13.7×32 +577.4%

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 Tea Polyphenols and Effects, country by country

Is Tea Polyphenols and Effects research growing?

Output in 2022-2025 was 43% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Tea Polyphenols and Effects.

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 Tea Polyphenols and Effects as a percentage of every work published that year, 0.023% in 2024.

still counting0.010%0.020%0.030%Tea Polyphenols and Effects0.022% in 202519801990200020102020

Fractional works of Tea Polyphenols and Effects 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%Tea Polyphenols and Effects9.9% 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.

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