Peter A. Akah

University of Nigeria

Publishing since 1986, latest 2025

Plant Science
Pharmacology
Endocrinology, Diabetes and Metabolism
Molecular Biology
Complementary and alternative medicine
Pharmacology

Publications: 1151986–2025
Citations: 2,569to those papers
h-index: 30i10-index 66
Field-weighted impact: 0.911.00 is the world average
World top 10%: 10%11 of 115 scored papers
Open access: 43%49 papers free to read

2 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

On their papers

Every institution they have given on a paper.

Publications

115 in all

Spasmolytic Activity ofCissampelous mucronataLeaf Extract
1996Phytotherapy ResearchJournal8 citations10.1002/(sici)1099-1573(199606)10:4<322::aid-ptr801>3.0.co;2-3
Evaluation of Nigerian traditional medicines: 1. Plants used for rheumatic (inflammatory) disorders
1994Journal of Ethnopharmacology

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 Science6254%
Pharmacology3430%
Endocrinology, Diabetes and Metabolism2623%
Molecular Biology2320%
Complementary and alternative medicine1917%
Pharmacology1816%
Food Science1715%
Biochemistry109%
Biochemistry87%
Nutrition and Dietetics65%

Health Sciences
Life Sciences

Topics most written on

Ethnobotanical and Medicinal Plants Studies32
Natural Antidiabetic Agents Studies25
Phytochemistry and Biological Activities17
Essential Oils and Antimicrobial Activity13
Phytochemicals and Antioxidant Activities9
Phytochemistry and Bioactivity Studies8
Traditional and Medicinal Uses of Annonaceae8
Pharmacological Effects of Natural Compounds7
Natural product bioactivities and synthesis6
Phytochemistry and biological activities of Ficus species6
Ginger and Zingiberaceae research5
Herbal Medicine Research Studies5

Who they write with

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

Where their co-authors are

13% of their papers have a co-author abroad

papers co-written1234567Home

Most frequent partner countries

Germany8
United States5
Russia1
Canada1
Bulgaria1

Papers with at least one author in that country.

Institutions written with most

Nnamdi Azikiwe UniversityNG30 papers
National Institute for Pharmaceutical Research and DevelopmentNG18 papers
Enugu State University of Science and TechnologyNG7 papers
Heinrich Heine University DüsseldorfDE5 papers
Ruhr University BochumDE4 papers
University of JosNG4 papers
Usmanu Danfodiyo UniversityNG3 papers
University of IbadanNG3 papers
University of VirginiaUS2 papers
Novena UniversityNG2 papers

Where they publish

Journal of Ethnopharmacology13
Phytotherapy Research7
Immunopharmacology and Immunotoxicology5
Pharmaceutical Biology5
Journal of Herbs Spices & Medicinal Plants4
PubMed4

Development goals addressed

From each paper’s title and abstract

3Good health and well-being46
6Clean water and sanitation9
2Zero hunger8
15Life on land5
14Life below water2
17Partnerships for the goals2

Most cited

Blood sugar lowering effect of Vernonia amygdalina Del, in an experimental rabbit model
Phytotherapy Research
1992145 citations
Acanthus montanus: An experimental evaluation of the antimicrobial, anti-inflammatory and immunological properties of a traditional remedy for furuncles
BMC Complementary and Alternative Medicine
2008143 citationsWorld top 10%Open access · Gold
Anti-inflammatory activity of hexane leaf extract of Aspilia africana C.D. Adams
Journal of Ethnopharmacology

Abortifacient activity of some Nigerian medicinal plants

1994Phytotherapy ResearchJournalFirst authorCorresponding14 citations10.1002/ptr.2650080212

Antioedema and analgesic actions of Diodia scandens extract in rats and mice

1993Phytotherapy ResearchJournalFirst authorCorresponding26 citations10.1002/ptr.2650070412

Preliminary Studies on Some Nigerian Herbal Purgative Recipes

1993Pharmaceutical BiologyJournalSenior author7 citations10.3109/13880209309082953

Gastrointestinal Effects of Allamanda cathartica Leaf Extracts

1992Pharmaceutical BiologyJournalFirst author23 citations10.3109/13880209209054001

Neuropsychopharmacologic properties of a Schumanniophyton problematicum root extract

1991Journal of EthnopharmacologyJournalSenior authorCorresponding9 citations10.1016/0378-8741(91)90164-9

Mechanism of Hemostatic Activity ofEupatorium odoratum

1990International Journal of Crude Drug ResearchJournalFirst authorCorresponding27 citations10.3109/13880209009082829

Tabernaemontana crassa as a traditional local anesthetic agent

1990Journal of EthnopharmacologyJournalSenior authorCorresponding12 citations10.1016/0378-8741(90)90022-l

Frusemide potentiates acetylcholine and carbachol in contracting the rat urinary bladder

1990Journal of Pharmacy and PharmacologyJournalSenior authorCorresponding2 citations10.1111/j.2042-7158.1990.tb07070.x

Haemostatic Activity of Aqueous Leaf Extract of Ageratum conyzoides L

1988International Journal of Crude Drug ResearchJournalFirst authorCorresponding11 citations10.3109/13880208809053899

Immunological Investigations

Journal of Complementary and Integrative Medicine3

How it can be read

43% free to read

Diamond 20 · 17%Free to read and to publish
Gold 7 · 6%In an open-access journal
Hybrid 7 · 6%Open in a subscription journal
Bronze 11 · 10%Free to read, no open licence
Green 4 · 3%A copy in a repository
Closed 66 · 57%Behind a paywall

Who funds it

16 of 115 papers name a funder

Alexander von Humboldt-Stiftung7
Australian Government2
Tertiary Education Trust Fund2
World Bank Group2
Association for Prevention Teaching and Research1
Ludwig-Maximilians-Universität München1
Ministry of Education, Science and Technology1
Pfizer1