Rita A. Dickson

Kwame Nkrumah University of Science and Technology

Pro Vice-Chancellor, Kwame Nkrumah University of Science and Technology, since 2000per ORCID
Professor, Kwame Nkrumah University of Science and Technologyper ORCID

Publishing since 2004, latest 2026

Plant Science
Pharmacology
Endocrinology, Diabetes and Metabolism
Molecular Biology
Pharmacology
Food Science

In their own words

bioactive natural products
phytochemistry
quality control of phytomedicines

Publications: 702004–2026
Citations: 1,606to those papers
h-index: 22i10-index 35
Field-weighted impact: 2.321.00 is the world average
World top 10%: 19%8 of 43 scored papers
Open access: 65%28 of the 43 whose access is recorded

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

Google Scholar shows 2,090 citations, h-index 24 and i10-index 40 (1,124 citations and h-index 17 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

Pro Vice-Chancellor, PharmacognosyKwame Nkrumah University of Science and Technologysince 2000
Professor, PharmacognosyKwame Nkrumah University of Science and Technology

Education

2003-2007 King’s College London, University of London-United Kingdom Doctor of Philosophy 2004-2006 King’s College London, University of London-United Kingdom Graduate Certificate in Academic Practice (GCAP) 1996-1999 Kwame Nkrumah University of Science and Technology, Kumasi Master of Pharmacy (Pharmacognosy) 1990-1994 Kwame Nkrumah University of Science and Technology, Kumasi Bachelor of Pharmacy (Honours), PharmacognosyKwame Nkrumah University of Science and Technologysince 2003

Honours, memberships and service

Publications

70 in all

Acaricidal effect of an isolate from Hoslundia opposita vahl against Amblyomma variegatum (Acari: Ixodidae)
2011Pharmacognosy ResearchJournalOpen access20 citations10.4103/0974-8490.85004
Pharmacognostic Standardization of the Leaves and Root Bark of Caesalpinia benthamiana
2011Pharmacognosy Journal

Download CV:PDFWord

Citations received each year

PeerfordGoogle Scholar

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 Science2130%
Pharmacology1014%
Endocrinology, Diabetes and Metabolism811%
Molecular Biology811%
Pharmacology811%
Food Science710%
Complementary and alternative medicine69%
Biochemistry57%
Public Health, Environmental and Occupational Health57%
Biochemistry34%

Health Sciences
Life Sciences

Topics most written on

Ethnobotanical and Medicinal Plants Studies13
Essential Oils and Antimicrobial Activity7
Natural Antidiabetic Agents Studies7
Biological Stains and Phytochemicals6
Phytochemistry and Biological Activities6
Natural product bioactivities and synthesis5
Phytochemistry and Bioactivity Studies4
Traditional and Medicinal Uses of Annonaceae4
African Botany and Ecology Studies3
Insect Pest Control Strategies3
Phytochemicals and Antioxidant Activities3
Alkaloids: synthesis and pharmacology2

Who they write with

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

Where their co-authors are

40% of their 43 papers with recorded affiliations have a co-author abroad

papers co-written1234567Home

Most frequent partner countries

United Kingdom10
France3
Japan2
Switzerland2
South Africa2
Czechia1
United States1
Kenya1

Papers with at least one author in that country.

Institutions written with most

University of GreenwichGB5 papers
Centre for Plant Medicine ResearchGH5 papers
University of Cape CoastGH4 papers
Centre National de la Recherche ScientifiqueFR3 papers
Biomolécules : Conception, Isolement, SynthèseFR3 papers
University of Health and Allied SciencesGH3 papers
Novartis Institutes for BioMedical Research2 papers
Université Paris-SaclayFR2 papers
Nagasaki International UniversityJP2 papers
King's College LondonGB2 papers

Where they publish

Natural Product Research4
Pharmacognosy Research4
Journal of Pharmacy and Pharmacology3
African Journal of Traditional Complementary and Alternative Medicines2
Asian Pacific Journal of Tropical Biomedicine2
International Journal of Pharmaceutical Sciences and Research2

Development goals addressed

From each paper’s title and abstract

3Good health and well-being10
15Life on land7
2Zero hunger3
6Clean water and sanitation1
17Partnerships for the goals1

Most cited

Toxicity and Safety Implications of Herbal Medicines Used in Africa
IntechOpen eBooks17
2019168 citationsWorld top 10%Open access · Hybrid
Antibacterial and antioxidant cassane diterpenoids from Caesalpinia benthamiana
Phytochemistry
2007162 citations
Antimicrobial, resistance‐modifying effects, antioxidant and free radical scavenging activities of Mezoneuron benthamianum Baill., Securinega virosa Roxb. &Wlld. and …

• Member of the University Teachers’ Association of Ghana (UTAG), since 2000 • Member of the Pharmaceutical Society of Ghana (PSGH), since 1995 • Member of the American Society of Pharmacognosy, since 2005 • Member of the International Society of Ethnopharmacology, since 2005 • Member of the Society of Medicinal Plant Research (G A), since 2004 • Member of the Phytochemical Society of Europe (PSE), since 2004 • Member of the Lady Pharmacists Association of Ghana (LAPAG), since 2006, PharmacognosyKwame Nkrumah University of Science and Technology

Cassane-type diterpenoids from the genus Caesalpinia

2011Pharmacogn CommunJournalFirst author16 citations

Medicinal and Aromatic Plants of Ghana

2009ACS symposium seriesPublicationSenior author1 citation10.1021/bk-2009-1021.ch014

S te wa rt Postharvest-Review wvutsrqponmlkjihgfedcbaZYXWVUTS

2006Stewart Postharvest ReviewJournal0 citations

Antimicrobial, resistance‐modifying effects, antioxidant and free radical scavenging activities of Mezoneuron benthamianum Baill., Securinega virosa Roxb. &Wlld. and …

2006Phytotherapy Research: An International Journal Devoted to Pharmacological and Toxicological Evaluation of Natural Product DerivativesJournalFirst author140 citations10.1002/ptr.1799

Antibacterial and antioxidant cassane diterpenoids from Mezoneuron benthamianum

2005JOURNAL OF PHARMACY AND PHARMACOLOGYConferenceFirst author0 citations

Journal of Ethnopharmacology2

Journal of Medical and Biomedical Sciences2

How it can be read

65% free to read, of the 43 recorded

Diamond 13 · 19%Free to read and to publish
Gold 6 · 9%In an open-access journal
Hybrid 6 · 9%Open in a subscription journal
Bronze 1 · 1%Free to read, no open licence
Green 2 · 3%A copy in a repository
Closed 15 · 21%Behind a paywall
Unknown 27 · 39%Not recorded by the source

Who funds it

18 of 70 papers name a funder

Kwame Nkrumah University of Science and Technology11
Campus France1
Commonwealth Scholarship Commission1
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior1
Department for International Development1
Engineering and Physical Sciences Research Council1
European Regional Development Fund1
Government of the Republic of Kenya1

Phytotherapy Research: An International Journal Devoted to Pharmacological and Toxicological Evaluation of Natural Product Derivatives