Alexander K. Nyarko

University of Ghana

Also at Ghana Education Servicefrom their recent papers

Professor of Pharmacology and Toxicology, University of Ghana, since 2003per ORCID
Professor, University of Ghana, since 2003per ORCID

Publishing since 1985, latest 2025

Plant Science
Pharmacology
Endocrinology, Diabetes and Metabolism
Molecular Biology
Complementary and alternative medicine
Public Health, Environmental and Occupational Health

Publications: 1151985–2025
Citations: 2,906to those papers
h-index: 32i10-index 70
Field-weighted impact: 1.841.00 is the world average
World top 10%: 21%24 of 114 scored papers
Open access: 70%80 papers free to read

6 other works — preprints, datasets and the like — are listed but not counted.

By year

Papers, and the citations to them

Publications, left axisCitations to that year’s papers, right axis2026 still in progress

Career

As their ORCID record read on October 4, 2026

Positions

Professor of Pharmacology and ToxicologyUniversity of Ghanasince 2003
Professor, Noguchi Memorial Institute for Medical ResearchUniversity of Ghanasince 2003
Dean, School of PharmacyUniversity of Ghana2012–2016
Director, Noguchi Memorial Institute for Medical ResearchUniversity of Ghana2006–2012
Senior Fulbright Scholar, School of Pharmacy, Division of Natural Products Research

Publications

115 in all

Lead exposure in urban and rural school children in Ghana.
1998PubMedJournal2 citations
Biliary excretion in persons with low blood glutathione levels.
1998PubMedJournal1 citation
Cytochrome P450-Mediated Metabolism and Nephrotoxicity ofN-(3,5-Dichlorophenyl)succinimide in Fischer 344 Rats

Download CV:PDFWord

Citations received each year

Peerford

To all their work, old papers included. Google Scholar also counts citations from theses, books and web pages, so its line runs higher.

What they work on

From the classification of each paper

Subfields

Plant Science4438%
Pharmacology3026%
Endocrinology, Diabetes and Metabolism2118%
Molecular Biology2017%
Complementary and alternative medicine1513%
Public Health, Environmental and Occupational Health1513%
Epidemiology1311%
Food Science1110%
Pharmacology1110%
Organic Chemistry109%

Health Sciences
Life Sciences
Physical Sciences

Topics most written on

Ethnobotanical and Medicinal Plants Studies27
Natural Antidiabetic Agents Studies18
Drug-Induced Hepatotoxicity and Protection11
Pharmacological Effects of Natural Compounds10
Essential Oils and Antimicrobial Activity7
Malaria Research and Control7
Phytochemistry and Bioactivity Studies7
Bioactive Compounds and Antitumor Agents6
Moringa oleifera research and applications6
Research on Leishmaniasis Studies6
Mycobacterium research and diagnosis5
Pharmacology and Obesity Treatment5

Who they write with

Their most frequent co-authors, and the papers those co-authors share

Where their co-authors are

44% of their papers have a co-author abroad

papers co-written1234679Home

Most frequent partner countries

Cameroon13
United States12
Japan9
Kenya6
South Africa6
Nigeria6
United Kingdom6
Vietnam2

Papers with at least one author in that country.

Institutions written with most

Noguchi Memorial Institute for Medical ResearchGH83 papers
Centre for Plant Medicine ResearchGH26 papers
Kwame Nkrumah University of Science and TechnologyGH14 papers
University of Cape CoastGH14 papers
Université de Yaoundé ICM10 papers
Institut de Recherches Médicales et d’Etudes des Plantes MédicinalesCM8 papers
Nagasaki International UniversityJP6 papers
University of NairobiKE6 papers
West African Centre for Cell Biology of Infectious PathogensGH6 papers
Tokyo Medical and Dental UniversityJP5 papers

Where they publish

Journal of Ethnopharmacology10
Phytotherapy Research8
Evidence-based Complementary and Alternative Medicine5
International Journal of Mycobacteriology5
PubMed5
Biomarker Research2
BMC Complementary and Alternative Medicine

Development goals addressed

From each paper’s title and abstract

3Good health and well-being60
2Zero hunger10
6Clean water and sanitation6
14Life below water4
15Life on land4
1No poverty2
17Partnerships for the goals2
9

Most cited

Toxicity potentials of the nutraceutical Moringa oleifera at supra-supplementation levels
Journal of Ethnopharmacology2
2011181 citationsWorld top 10%
In VivoModels Used for Evaluation of Potential Antigastroduodenal Ulcer Agents
Ulcers3
2013179 citationsWorld top 10%Open access · Hybrid
Current perspectives in drug discovery against tuberculosis from natural products

University of North Carolina at Chapel Hill

Research Fellow, Noguchi Memorial Institute for Medical ResearchUniversity of Ghana1984–1996

Education

PhD, Pharmacology and Toxicology, Department of Pharmacology and ToxicologyUniversity of the Sciences in Philadelphia College of Graduate Studies1989–1994
M.Phil Biochemistry, Department of BiochemistryUniversity of Ghana1981–1983
B.Sc (Hons) Biochemistry with Chemistry, Department of BiochemisttryUniversity of Ghana1977–1980