Emmanuel E. Essien

University of Ghana

Also at Federal Neuro-Psychiatric Hospital, Calabarfrom their recent papers

Publishing since 1983, latest 2026

Food Science
Plant Science
Clinical Psychology
Molecular Biology
Social Psychology
Pharmacology

Publications: 1161983–2026
Citations: 1,128to those papers
h-index: 19i10-index 34
Field-weighted impact: 1.051.00 is the world average
World top 10%: 10%12 of 115 scored papers
Open access: 62%72 papers free to read

13 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

Publications

116 in all

Patient-Centered Care: Current Practice and Recommendations for Nigeria
2023Evidence Based Health Policy Management and EconomicsJournalOpen accessSenior author0 citations10.18502/jebhpme.v7i3.14280
Isolation of a pentacyclic triterpenoid from the antiplasmodial bioactive fraction of Nauclea latifolia (Sm) roots
2022

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

Food Science3228%
Plant Science2824%
Clinical Psychology1412%
Molecular Biology1311%
Social Psychology119%
Pharmacology109%
Biochemistry98%
Endocrinology, Diabetes and Metabolism98%
Epidemiology98%
General Health Professions98%

Health Sciences
Life Sciences
Social Sciences

Topics most written on

Essential Oils and Antimicrobial Activity24
Phytochemistry and Biological Activities13
Ethnobotanical and Medicinal Plants Studies10
Traditional and Medicinal Uses of Annonaceae9
Natural Antidiabetic Agents Studies8
Phytochemicals and Antioxidant Activities7
African Botany and Ecology Studies6
Mental Health Treatment and Access5
Ophthalmology and Visual Impairment Studies5
Polymer Nanocomposites and Properties5
Antibiotics Pharmacokinetics and Efficacy4
Drug-Induced Ocular Toxicity4

Who they write with

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

Where their co-authors are

48% of their papers have a co-author abroad

papers co-written12345611Home

Most frequent partner countries

Nigeria99
United States15
Italy11
United Kingdom11
Pakistan6
Canada5
Japan4
India4

Papers with at least one author in that country.

Institutions written with most

University of UyoNG46 papers
Federal Neuro-Psychiatric Hospital, CalabarNG26 papers
University of CalabarNG25 papers
Federal Neuro Psychiatric HospitalNG22 papers
University of IbadanNG13 papers
University of PisaIT11 papers
University of Alabama in HuntsvilleUS9 papers
University of LagosNG8 papers
First On-Call InitiativeNG8 papers
University of Port HarcourtNG7 papers

Where they publish

PubMed6
Pharmaceutical and Biosciences Journal5
Chemistry of Natural Compounds4
Journal of Ethnopharmacology4
Medicines4
World Journal of Applied Science & Technology4

Development goals addressed

From each paper’s title and abstract

2Zero hunger21
3Good health and well-being17
15Life on land7
6Clean water and sanitation6
1No poverty5
5Gender equality3
13Climate action2
10

Most cited

Larvicidal Activity of Turmerone-Rich Essential Oils ofCurcuma longa. Leaf and Rhizome from Nigeria onAnopheles gambiae.
Pharmaceutical Biology3
200866 citationsWorld top 10%Open access · Bronze
Characterization and Antimicrobial Activity of Volatile Constituents from Fresh Fruits of Alchornea cordifolia and Canthium subcordatum
Medicines
201564 citationsWorld top 10%Open access · Gold

Every institution they have given on a paper.

Tropical Journal of Pharmaceutical Research

Pattern and sociodemographic correlates of job stress among staff in a Nigerian Psychiatric hospital

2022Indian Journal of Occupational and Environmental MedicineJournalOpen accessFirst authorCorresponding1 citation10.4103/ijoem.ijoem_277_21

Childhood Adversity as a predictor of Depression and Suicidality among Adolescents in Calabar, Nigeria

2022Journal of Global Health Neurology and PsychiatryJournalOpen access2 citations10.52872/001c.33811

Brain fag and burnout: A comparison of two exhaustion syndromes among adolescents in Nigeria

2022Open Journal of Psychiatry & Allied SciencesJournalOpen accessFirst author2 citations10.5958/2394-2061.2022.00011.8

Chemical Composition of Livistona chinensis and Areca catechu Palm Nuts

2021Chemistry of Natural CompoundsJournalFirst authorCorresponding3 citations10.1007/s10600-021-03583-9

Attitudes to Eye Health

2021Nigerian Journal of OphthalmologyJournalOpen access2 citations10.4103/njo.njo_11_21

Characterization of Volatile Compounds of Diplazium esculentum

2019Chemistry of Natural CompoundsJournalFirst authorCorresponding9 citations10.1007/s10600-019-02860-y

Composition of Volatile Oils from Duranta repens Leaves and Fruits

2019Chemistry of Natural CompoundsJournalCorresponding4 citations10.1007/s10600-019-02690-y

Coping Mechanisms as Predictor of Stress in Patients with Chronic Low Back Pain

2019Nigerian Journal of Orthopaedics and TraumaJournalOpen access1 citation10.4103/njot.njot_5_19

Aroma Profile of Essential Oils of Solenostemon monostachyus P. Beauv from Nigeria

2017Pharmaceutical and Biosciences JournalJournalOpen accessFirst author1 citation10.20510/ukjpb/5/i2/155979

The Proximate Composition and Essential Oils of Processed Pentaclethra macrophylla Seeds

2017International Journal of Biochemistry Research & ReviewJournal2 citations10.9734/ijbcrr/2017/35235

Solvent and Methyl Group Effects on the Electronic Spectral Properties of Azo-2-Naphthol Dye

2015Chemical Science International JournalJournalOpen accessSenior author3 citations10.9734/acsj/2015/17260

WOUND HEALING, PHYTOCHEMICAL AND ANTIMICROBIAL PROPERTIES OF LUFFA CYLINDRICA (LINN.) SEED EXTRACTS

2015International Journal of Pharmaceutical Sciences and Drug ResearchJournalOpen access1 citation10.25004/ijpsdr.2015.070406

Volatile Constituents, Antimicrobial and Cytotoxicity Potentials of ThreeSennaSpecies from Nigeria

2011Journal of Essential Oil Bearing PlantsJournalFirst authorCorresponding13 citations10.1080/0972060x.2011.10643995

Screening of the Seed of Picralima nitida for Hypoglycaemic Activity

2007Pakistan Journal of Biological SciencesJournal9 citations10.3923/pjbs.2007.828.830

European Journal of Medicinal Plants

Journal of Essential Oil Bearing Plants3

How it can be read

62% free to read

Diamond 25 · 22%Free to read and to publish
Gold 23 · 20%In an open-access journal
Hybrid 14 · 12%Open in a subscription journal
Bronze 5 · 4%Free to read, no open licence
Green 5 · 4%A copy in a repository
Closed 44 · 38%Behind a paywall

Who funds it

14 of 116 papers name a funder

University of Ghana6
Deutsche Forschungsgemeinschaft1
Directorate for Biological Sciences1
FHI 3601
Medical Research Foundation1
National Institute of Standards and Technology1
Tertiary Education Trust Fund1
Third World Academy of Sciences1

Reduced inequalities

12Responsible consumption and production1

16Peace, justice and strong institutions1

201762 citationsOpen access · Gold

Chemical composition, antimicrobial, and cytotoxicity studies onS. erianthumandS. macranthumessential oils

Pharmaceutical Biology

201160 citationsWorld top 10%Open access · Bronze

Asymptomatic malaria parasitaemia in pregnant women at booking in a primary health care facility in a periurban community in Lagos, Nigeria.

PubMed3

200150 citations