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Institution · Tehran · Iran

National Nutrition and Food Technology Research Institute

In research, National Nutrition and Food Technology Research Institute stands highest in Health Sciences (#5,002 of 11,982 worldwide), Medicine (#4,881 of 10,443 worldwide) and Life Sciences (#4,266 of 7,800 worldwide), 2022–2025. Relative to its size it is most specialised in Nutrition and Dietetics, Nursing and Food Science — Nutrition and Dietetics is 20.7× its share of world research.

nnftri.ac.irROR OpenAlex
World rank, 2022–2025
#8,157
of 28,054 · #12,567 all time
Rank in Iran
#153
of 301
Research works
1.3k
▲ 79% vs 2013–17
Citations
32k
25.1 per fractional work
Top-10% rate
23.3%
record average 16.5%
Open access
52%
world 28%

What is National Nutrition and Food Technology Research Institute known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Health SciencesDomain #5,002 of 11,982 21.8%223 #7664
MedicineField #4,881 of 10,443 21.9%174 #7241
Life SciencesDomain #4,266 of 7,800 27.7%110 #6182

Each strip is that field’s whole ranked pool, with the notch where National Nutrition and Food Technology Research Institute sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

Which of those standings moved

The same fields on both windows: where it stood over the whole record, and where it stands in 2022–2025. The distance is the story, and it is the one thing the two rank columns above cannot show.

  1. Health Sciences#7,664 #5,002
  2. Medicine#7,241 #4,881
  3. Life Sciences#6,182 #4,266
all time2022–2025, better2022–2025, worse

A dot further right is a better standing. Fields it was not ranked in over the whole record are left out.

What does National Nutrition and Food Technology Research Institute specialise in?

Where its research is concentrated relative to its size: Nutrition and Dietetics takes 20.7× the share of its output that it takes of world research.

  1. Nutrition and DieteticsSubfield · 35.1 works21×
  2. NursingField · 35.1 works18×
  3. Food ScienceSubfield · 32.7 works11×
  4. PhysiologySubfield · 26.4 works7.6×
  5. Public Health, Environmental and Occupational HealthSubfield · 34.5 works6.6×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 2.95× its world share, 56 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.86× its world share, 39 worksBiochemistry, Geneti…Immunology and Microbiology: 0.96× its world share, 4 worksImmunology and Micro…Neuroscience: 1.04× its world share, 7 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 2.76× its world share, 4 worksPharmacology, Toxico…Chemical Engineering: 0.19× its world share, 0 worksChemical EngineeringChemistry: 1.61× its world share, 10 worksChemistryComputer Science: 0.01× its world share, 0 worksComputer ScienceEarth and Planetary Sciences: 0.04× its world share, 0 worksEarth and Planetary …Energy: 0.16× its world share, 1 worksEnergyEngineering: 0.12× its world share, 7 worksEngineeringEnvironmental Science: 0.97× its world share, 19 worksEnvironmental ScienceMaterials Science: 0.79× its world share, 11 worksMaterials ScienceMathematics: 0.05× its world share, 0 worksMathematicsDentistry: 0.42× its world share, 1 worksDentistryHealth Professions: 1.14× its world share, 12 worksHealth ProfessionsMedicine: 2.28× its world share, 174 worksMedicineNursing: 18.05× its world share, 35 worksNursingVeterinary: 1.39× its world share, 1 worksVeterinaryArts and Humanities: 0.03× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.24× its world share, 3 worksBusiness, Management…Decision Sciences: 0.17× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 0.26× its world share, 2 worksEconomics, Econometr…Psychology: 0.49× its world share, 6 worksPsychologySocial Sciences: 0.07× its world share, 4 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Nursing, 18.1×. Every wedge is a field page.

Who are the top researchers at National Nutrition and Food Technology Research Institute?

Ranked on the composite score, Marjan Ajami, Sara Sohrabvandi and Hedayat Hosseini lead among researchers whose main affiliation is National Nutrition and Food Technology Research Institute.

  1. 1 Marjan Ajami Iran · #68,155 worldwide 532 citations · 26 works
  2. 2 Sara Sohrabvandi Iran · #130,519 worldwide 73 citations · 37 works
  3. 3 Hedayat Hosseini Iran · #179,757 worldwide 217 citations · 44 works
  4. 4 Kianoush Khosravi‐Darani Iran · #189,178 worldwide 181 citations · 72 works
  5. 5 Azita Hekmatdoost Iran · #269,990 worldwide 170 citations · 60 works
  6. 6 Abdorreza Mohammadi Iran · #353,830 worldwide 52 citations · 24 works
  7. 7 Ramin Khaksar Iran · #379,881 worldwide 42 citations · 24 works
  8. 8 Morteza Abdollahi Iran · #419,954 worldwide 20 citations · 32 works
  9. 9 Masoud Kimiagar Iran · #455,214 worldwide 45 citations · 20 works
  10. 10 Tirang R. Neyestani Iran · #505,432 worldwide 50 citations · 42 works
All ranked researchers at National Nutrition and Food Technology Research Institute

Which keywords describe research at National Nutrition and Food Technology Research Institute?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Inflammation, Metabolic Syndrome, Cardiovascular Disease, Obesity, Cancer Prevention, Antioxidant, Antioxidant Activity and Insulin Resistance.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Inflammation74▲ 8.9×64 topics
  2. Metabolic Syndrome62▲ 19×21 topics
  3. Cardiovascular Disease50▲ 11×27 topics
  4. Obesity36▲ 12×23 topics
  5. Cancer Prevention31▲ 29×10 topics
  6. Antioxidant27▲ 9.9×42 topics
  7. Oxidative Stress25▲ 3.9×39 topics
  8. Antioxidant Activity24▲ 9.3×22 topics
  9. Insulin Resistance22▲ 12×8 topics
  10. Cancer20▲ 3.8×41 topics
  11. Dietary Patterns20▲ 83×1 topic
  12. Health Benefits20▲ 16×13 topics
  13. Mediterranean Diet20▲ 83×1 topic
  14. Health Effects19▲ 8.0×14 topics
  15. Weight Loss17▲ 26×4 topics
  16. Metabolism16▲ 7.9×24 topics
  17. Public Health16▲ 2.8×21 topics
  18. Aging16▲ 7.2×12 topics
  19. Biomedical Applications16▲ 3.3×18 topics
  20. Antioxidants14▲ 7.8×11 topics
  21. Metabolic Health14▲ 18×3 topics
  22. Neurological Disorders13▲ 5.9×6 topics
  23. Chronic Diseases13▲ 13×7 topics
  24. Alzheimer's Disease13▲ 11×8 topics
  25. Cancer Therapy12▲ 5.4×10 topics
  26. Diabetes12▲ 6.2×18 topics
  27. Hepatic Steatosis12▲ 19×2 topics
  28. Gut Microbiota11▲ 8.0×7 topics
  29. Toxicity11▲ 6.4×13 topics
  30. Epilepsy Treatment11▲ 27×2 topics
  31. Ketogenic Diet11▲ 28×1 topic
  32. Low-Carbohydrate Diet11▲ 31×1 topic
  33. Dietary Fiber10▲ 24×2 topics
  34. Bioavailability10▲ 13×6 topics
  35. Type 2 Diabetes10▲ 12×6 topics
  36. Rheological Properties10▲ 14×2 topics
  37. Prebiotics10▲ 26×2 topics
  38. Hypertension9▲ 8.2×13 topics
  39. Consumer Perception9▲ 11×5 topics
  40. Polyphenols9▲ 13×6 topics

Which research topics does National Nutrition and Food Technology Research Institute publish most on?

By volume in 2022–2025: Nutritional Studies and Diet, Diet and metabolism studies, Liver Disease Diagnosis and Treatment and Nutrition and Health in Aging.

Nutritional Studies and …20Nutritional Studies and Diet: 20 fractional worksDiet and metabolism studies: 11 fractional worksLiver Disease Diagnosis and Treatment: 8 fractional worksNutrition and Health in Aging: 7 fractional worksFood composition and properties: 6 fractional worksObesity, Physical Activity, Diet: 6 fractional worksProbiotics and Fermented…6Probiotics and Fermented Foods: 6 fractional worksChild Nutrition and Water Access: 6 fractional worksFood Security and Health in Diverse Populations: 5 fractional worksProteins in Food Systems: 5 fractional works
Public Health, Environmental and Occupational HealthPhysiologyEpidemiologyNutrition and Dietetics2 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Nutritional Studies and Diet Public Health, Environmental and Occupational Health 20 works
  2. 2 Diet and metabolism studies Physiology 11 works
  3. 3 Liver Disease Diagnosis and Treatment Epidemiology 8 works
  4. 4 Nutrition and Health in Aging Physiology 7 works
  5. 5 Food composition and properties Nutrition and Dietetics 6 works
  6. 6 Obesity, Physical Activity, Diet Public Health, Environmental and Occupational Health 6 works
  7. 7 Probiotics and Fermented Foods Food Science 6 works
  8. 8 Child Nutrition and Water Access Nutrition and Dietetics 6 works
  9. 9 Food Security and Health in Diverse Populations General Health Professions 5 works
  10. 10 Proteins in Food Systems Food Science 5 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available52.1%not open47.9%

World: 28% of research is openly available.

with international co-authors22.2%domestic only77.8%

World: 19% is written across borders.

How has National Nutrition and Food Technology Research Institute's research output changed?

Output in 2018–2022 was 79% higher than in 2013–2017.

1990200020102020
grewheldshrank

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

Other research institutions in Tehran

All research institutions in Tehran

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.