Isaac Kingsley Amponsah

Kwame Nkrumah University of Science and Technology

Senior Lecturer/Dr, Kwame Nkrumah University of Science and Technology, since 2012per ORCID

Publishing since 2012, latest 2026

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

In their own words

pharmacognosy
phytochemistry
antioxidants
natural products
herbal products standardization of herbal products

Publications: 1012012–2026
Citations: 1,295to those papers
h-index: 20i10-index 45
Field-weighted impact: 1.371.00 is the world average
World top 10%: 12%9 of 76 scored papers
Open access: 88%67 of the 76 whose access is recorded

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

Google Scholar shows 1,694 citations, h-index 24 and i10-index 50 (1,308 citations and h-index 18 since 2021), as of October 10, 2026. It also counts theses, books and web pages, so it runs higher.

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

Senior Lecturer/Dr, PharmacognosyKwame Nkrumah University of Science and Technologysince 2012

Education

Doctor of Philosophy Pharmacognosy, PharmacognosyKwame Nkrumah University of Science and Technologysince 2012

On their papers

Publications

101 in all

Phytochemical Investigations and Nutritive Potential of Eight Selected Plants from Ghana
2012Journal of Pharmacy and Nutrition SciencesJournalOpen access20 citations10.6000/1927-5951.2012.02.02.9

What they work on

From the classification of each paper

Subfields

Plant Science4747%
Molecular Biology2020%
Food Science1313%
Pharmacology1313%
Complementary and alternative medicine1212%
Endocrinology, Diabetes and Metabolism1212%
Pharmacology99%
Public Health, Environmental and Occupational Health88%
Biochemistry66%
Biochemistry66%

Health Sciences
Life Sciences

Topics most written on

Ethnobotanical and Medicinal Plants Studies25
Natural Antidiabetic Agents Studies12
Natural product bioactivities and synthesis12
Essential Oils and Antimicrobial Activity10
Phytochemistry and Biological Activities8
Insect Pest Control Strategies6
Phytochemicals and Antioxidant Activities6
African Botany and Ecology Studies5
Plant chemical constituents analysis5
Traditional and Medicinal Uses of Annonaceae5
Alkaloids: synthesis and pharmacology4
Drug-Induced Hepatotoxicity and Protection4

Who they write with

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

Where their co-authors are

28% of their 76 papers with recorded affiliations have a co-author abroad

papers co-written1234567Home

Most frequent partner countries

United Kingdom9
United States3
Switzerland3
South Africa3
Japan2
Kenya2
Nigeria2
Cameroon2

Papers with at least one author in that country.

Institutions written with most

University of Cape CoastGH21 papers
University of Health and Allied SciencesGH20 papers
University of GhanaGH13 papers
University for Development StudiesGH11 papers
University of GreenwichGB6 papers
Wesley College of EducationGH6 papers
Sunyani Technical UniversityGH5 papers
Kumasi Technical UniversityGH4 papers
Noguchi Memorial Institute for Medical ResearchGH4 papers
Food and Drugs AuthorityGH4 papers

Where they publish

Heliyon8
Natural Product Communications7
Journal of Pharmacognosy and Phytochemistry6
Scientific African5
Evidence-based Complementary and Alternative Medicine4
Asian Pacific Journal of Tropical Biomedicine3

Development goals addressed

From each paper’s title and abstract

3Good health and well-being14
15Life on land7
2Zero hunger6
17Partnerships for the goals4
6Clean water and sanitation3
14Life below water2
1No poverty1
5

Most cited

The heavy metal contents of some selected medicinal plants sampled from different geographical locations
Pharmacognosy Research
2013124 citationsOpen access · Hybrid
Knowledge, perception, and pesticide application practices among smallholder cocoa farmers in four Ghanaian cocoa-growing regions
Toxicology Reports12
202264 citationsWorld top 10%Open access · Gold
Medicinal Plants Used in the Treatment of Mental and Neurological Disorders in Ghana

How it can be read

88% free to read, of the 76 recorded

Diamond 19 · 19%Free to read and to publish
Gold 37 · 37%In an open-access journal
Hybrid 7 · 7%Open in a subscription journal
Bronze 1 · 1%Free to read, no open licence
Green 3 · 3%A copy in a repository
Closed 9 · 9%Behind a paywall
Unknown 25 · 25%Not recorded by the source

Who funds it

34 of 101 papers name a funder

Kwame Nkrumah University of Science and Technology27
Novartis Pharma3
Commonwealth Scholarship Commission2
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior2
Directorate for Biological Sciences2
Engineering and Physical Sciences Research Council2
Ghana National Petroleum Corporation2
Swansea University2