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Prof Yeboah mensah

Prof Prof. Abraham Y. Mensah

Head of Department




Abraham Yeboah Mensah (BPharm-Kumasi, PhD-London, MPSGH) is an Associate Professor in Pharmacognosy and Head of Pharmacognosy Department, Faculty of Pharmacy & Pharmaceutical Sciences, Kwame Nkrumah University and Technology (KNUST). He is the project coordinator of the Vice-Chancellor’s Central laboratory project that involves the purchase, installation and operation of modern scientific equipment for research activities.

He attended Prempeh College for his secondary education and holds a bachelor of Pharmacy degree from KNUST, Kumasi and a PhD in Pharmacognosy from the King's College London (University of London). He holds a certificate in logistics and supply chain management from USIAD-Deliver.

Prof. Yeboah Mensah is a Commonwealth Scholar and Fellow and a recipient of the prestigious Wellcome Trust (United Kingdom), Research Development Award in Tropical Medicine (2002-2004). He is also a scholar of the University of Michigan African Presidential Scholar Program. Other awards received by Prof Abraham Yeboah Mensah include the German Academic Exchange Service Award (DAAD) and the National Council of Scientific research of Brazil (CNPq) multilateral visits (CNPq project award.  He collaborates with a number of scientists from several countries including Germany and the United Kingdom.

His area of specialization and research interest is Phytochemical investigation of natural products with biological activity and. He has numerous scientific publications in peer reviewed journals to his credit and has attended several scientific conferences and workshops all over Africa, Europe and the United States.  He is a member of the Editorial Board of the Journal of Phytology and a reviewer of articles for publication in several journals. He reviews several grant applications for several international organisations.

Prof Abraham Yeboah Mensah is the immediate past chairman of the Academic, Social and Research wing of the Pharmaceutical Society of Ghana (PSGH) and a former member of the Governing Board of the PSGH. He was the Pharmaceutical Society of Ghana's representative on the Governing Council of the Centre for Scientific Research into Plant Medicine, Akuapem, Mampong (a WHO Collaborating Centre) under the Ministry of Health and a former Board member of the Asokwa Sub-metro Mutual Health Insurance Scheme in Kumasi and an immediate past member of the Scientific Conference Planning Committee of the College of Health Sciences, KNUST.


  • KUMATHIA, E.K., ANNAN, K., DICKSON, R.A., MENSAH, A. Y., AMPONSAH, I.K., APPIAH, A.A., TUNG, N.H., TUNG, N.H., EDOH, D.A. &  HABTEMARIAM S. (2017) Antiinflammatory and analgesic effects in rodent models of ethanol extracts of Clausena anisata roots and their chemical constituents Natural Products Communications, 12(1): 67-72.
  • MIREKU, E. A., MENSAH, M. L. K. & MENSAH, A.Y. (2016) Prenylated indole alkaloids from the stem bark of Hexalobus monopetalusPhytochemistry letters, 16:108-114. Doi: 10.1016/j.phytol.2016.03.012.
  • PARK, S. R., TRIPATHI, A., WU, J.,   SCHULTZ, P.,  YIM, I.,  MCQUADE, T.J.,  YU, F., AREVANG,   C. MENSAH A.Y.,TAMAYO-CASTILLO, G.,  XI, C & SHERMAN, D. H. (2016) Discovery  of Cahuitamycins as biofilm inhibitors derived from a convergent biosynthetic pathway. Nature Communications 7:10710 Doi:10.1038/ncomms10710
  • ANOKWAH, D., MENSAH, A. Y., AMPONSAH, I.K., MIREKU, E. A., & MINTAH, D.N. (2016) Anti-inflammatory, anti-oxidant and antimicrobial activities of the stem bark of Psydrax subcordata Pharmacia Lettre, 8(20):21-28.
  • AMPONSAH, I.K., MENSAH, A. Y., AMPOFO, E. K, BEKOE, S.O. SARPONG, F. M., & JIBIRA Y (2016) Pharmacognostic studies of the leaves and seeds of Cassia occidentalis (Linn.) (Leguminosae) Journal of Pharmacognosy and Phytochemistry, 5 (3): 250-256.
  • ARMAH, F.A., ANNAN, K., DICKSON, R.A., MENSAH, A.Y., AMEYAW, E.O. & ANING, A.A. (2016) Anti-leishmanial, anti-inflammatory and antioxidant potential of Omphalocarpum ahia A. Chev Der Pharmacia Lettre, 8(2):161-168.
  • AMPONSAH, I.K., ORMAN, E., MENSAH, A.Y., SARPONG, F.M., ARMAH, F.A.  & SARPONG, L. M. (2016) Development and validation of a radical scavenging antioxidant assay using potassium permanganate. Journal of Scientific & Innovative Research, 5(2):36-42.
  • MIREKU, E. A., KUSARI, S., ECKELMANN, D., MENSAH, A.Y., TALONTSI, F. M., SPITELLER, M. (2015) Anti-inflammatory tirucallane triterpenoids from Anopyxis klaineana pierre (Engl.), (Rhizophoraceae) Fitoterapia, 106: 84-91.
  • ARMAH, F. A., ANNAN, K, MENSAH, A.Y., AMPONSAH, I.K., TOCHER, D.A. & HABTEMARIAM, S. (2015) Erythroivorensin: A novel diterpene from the root-bark of Erythrophleum ivorense (A Chev.) Fitoterapia, 105: 37-42.
  • JACKSON, B. N., ANNAN, K, MENSAH, A.Y., EKUADZI, E., MENSAH, M.L.K, & HABTEMARIAM, S. (2015) A novel triterpene from the roots of Paullinia pinnata: 6a-(3’-methoxy-4’-hydroxybenzoyl)-lup-20(29)-ene-3-one. Natural Products Communications, 10(4): 563-564.
  • TURKSON, B.K., KOFI, P.O., ACHAAB, E., WOYOME, Y., MENSAH, M.L.K., SARPONG, K., FLEISCHER, T., AMPONSAH, I.K., EKUADZI, E., DICKSON, R, MENSAH, A.Y. & ANNAN, K. (2015) Clinical Evaluation of the Effectiveness and Safety of Mist Amen Fevermix, a Ghanaian Bi-herbal Products, Used in the Management of Uncomplicated Malaria Journal of Natural Sciences Research, 5(10): 1-7.
  • MIREKU, E.A., MENSAH, A.Y., MENSAH, M.L.K, TOCHER, D. A. & HABTEMARIAM, S. (2014) Anti-inflammatory Properties of the Stem-bark of Anopyxis klaineana and its Major Constituent, Methyl Angolensate  Phytotherapy Research,28: 1855-1860.
  • AMPONSAH, I.K., MENSAH, A.Y., OTOO, A., MENSAH, M.L.K. & JATO,  J. (2014) Pharmacognostic standardisation of Hilleria latifolia (Lam.) H. Walt (Phytolaccaceae) Asian Pacific Journal of Tropical Biomedicine,  4(22): 941- 946.
  • MIREKU, E. A., MENSAH, A.Y., MENSAH, M.L.K., EKUADZI, E. & DICKSON, R.A. (2014) Antimicrobial and antioxidant activities of the stem bark of Cussonia bancoensis Journal of Medical and Biomedical Sciences 3(2): 7-13.
  • MENSAH, A.Y., MIREKU, E.A., MENSAH, M.L.K, OPPONG-DAMOAH, A. & AMPONSAH, I.K. (2014) Anti-inflammatory and antioxidant activities of Commelina diffusa (Commelinaceae) World Journal of Pharmaceutical Science,s 2(10): 1159-1165.
  • MENSAH, A.Y., MIREKU, E.A. & OKWUONU, V. (2014) Anti-inflammatory and anti-oxidant activities of Secamone afzelii(Rhoem) Asclepiadaceae. Journal of Medical and Biomedical Sciences, 3(1): 23-30.
  • MENSAH, A. Y., MIREKU, E., MENSAH, M.L.K., & AMPONSAH, I.K. (2014) Some neurological effects of the ethanolic stem bark extract of Cussonia bancoensis Aubrev and Pellgr (Araliaceae) Journal of Pharmacognosy and Phytochemistry, 2 (6): 101-106.
  • AMPONSAH, I.K., FLEISCHER T.C., ANNAN, K, DICKSON, R.A., MENSAH A.Y. & SARPONG F.M. (2013) Anti-inflammatory, antioxidant and antimicrobial activity of the stem bark extract and fractions of Ficus exasperata Vahl. (Moraceae) Journal of Pharmacognosy and Phytochemistry, 2 (3): 38-44.
  • KOFFOUR, G. A., WOODE E. AND MENSAH A.Y. (2011) Neurobehavioral and Safety Evaluation of a Polyherbal Antihypertensive Mixture in Ghana. European Journal of Experimental Biology, 1 (3):20-30.
  • ABOTSI, W. M. K., WOODE, E. AND MENSAH, A. Y. (2011) Anxiolytic- and Antidepressant-like effects of an ethanolic extract of the aerial parts of Hilleria latifolia (Lam.) H. Walt. in mice. Journal of Natural Pharmaceuticals, 2 (2): 62-71.
  • MENSAH, A.Y., BONSU, A.S. & FLEISCHER, T.C. (2011) Investigation of the bronchodilator activity of Abrus precatoriusInternational Journal of Pharmaceutical Sciences Review and Research, 6(2):9-13.
  • MENSAH A.Y., DONKOR P.O. AND FLEISCHER T.C. (2011) Anti-inflammatory and antioxidant activities of the leaves of Wissadula amplissima var rostrata. African Journal of Traditional, Complementary and Alternative Medicine, 8(2):185-195.
  • DICKSON, R.A., FLEISCHER, T.C., EKUADZI, E, MENSAH, A.Y., ANNAN, K. & WOODE E. (2010) Antibacterial, Antioxidant and Anti-inflammatory Properties of Margaritaria discoidea, a Wound Healing Remedy from Ghana.,2 (17) 32-39.
  • ANNAN, K., DICKSON, R., MENSAH. A. & FLEISCHER T.C. (2009) Acaricidal effect of Plumbago zeylanica L. against Amblyoma variegatum., 1(3) 190-194.
  • JULIANI, H.R., SIMON, J.E., QUANSAH, C., ASARE, E., AKROMAH, R., ACQUAYE, D. ASANTE-DARTEY, R., MENSAH, M.L.K., FLEISCHER. T.C., DICKSON, R. A., ANNAN, K AND MENSAH A.Y. (2008) Chemical diversity of Lippia Multiflora essential oils from West Africa. Journal of Essential Oil Research, 20: 49-55.
  • WOODE E., AINOOSON, G.K., BOAKYE-GYASI, E., ANSAH, C., OBIRI, D.D., KOFFOUR, G.A., MENSAH A.Y. & DUWEIJUA, M. (2008) Anti-arthritic and antioxidant properties of the ethanolic stem extract of Newbouldia laevis (P. Beauv.) Seaman ex Bureau (Bignoniaceae) Journal of Medicinal plants Research, 2(8): 180-188.
  • FLEISCHER, T.C., MENSAH, M.L.K., MENSAH, A.Y., KOMLAGA, G., GBEDEMA, S.Y. & SKALTSA, H. (2008) Antimicrobial activity of essential oils of Xylopia aethiopica African Journal of Traditional, Complementary and Alternative Medicines, 5(4): 391-393.
  • WOODE, E., ANSAH, C., AINOOSON, G.K., ABOTSI, W.M.K, MENSAH, A.Y. & DUWIEJUA, M. (2007) Anti-inflammatory and antioxidant properties of the root extract of Carissa edulis (Forsk.) Vahl (Apocynaceae) Journal of Science and Technology (Ghana), 27 (3): 5-15.MENSAH, A.Y., HOUGHTON, P.J., AGYARE, C., KOMLAGA, G., MENSAH, M. L.K., FLEISCHER, T.C. AND SARPONG G. (2006) Investigation of activities related to wound healing of Secamone afzeliiJournal of Science and Technology (Ghana), 26 (3): 83-89. 
  • MENSAH, A.Y., HOUGHTON, P.J., DICKSON, R. A., FLEISCHER. T.C., HEINRICH, M., BREMNER, P. (2006) In vitro evaluation of effects of two Ghanaian plants relevant to wound healing. Phytotherapy Research, 20 (11):941-944.
  • FLEISCHER, T.C., KOMLAGA, G., MENSAH, A.Y., MENSAH, M.L.K., WOODE, E., SAWER, I.K., GREY, A.I. (2006) Flavonoid constituents of the mature fruit of Tetrapleura tetraptera Journal of Science and Technology (Ghana), 26 (1): 41-47.
  • AGYARE, C., KOFFUOR, G. A., MENSAH, A. Y. AND AGYEMANG, D. O. (2006) Antimicrobial and uterine smooth muscle activities of Albizia ferruginea extracts. Boletin Latino Americano y del Caribe de Plantas Medicinales y Aromaticas, 5: 31-35.
  • AGYARE, C., MENSAH, A. Y. SARPONG K & KOMLAGA, G. (2006) Antimicrobial activity of Hymenostegia afzelii and Napoleanea vogelii Boletin Latino Americano y del Caribe de Plantas Medicinales y Aromaticas, 5: 11-14
  • HOUGHTON, P.J., HYLANDS, P.J., MENSAH, A.Y., HENSEL, A& DETERS A.M. (2005) In vitro tests and ethnopharmacological investigations: Wound healing as an example. Journal of Ethnopharmacology 100: 100-107.
  • MENSAH, A.Y., HOUGHTON, P.J., AKYIREM, G.N., FLEISCHER. T.C., MENSAH, M.L., SARPONG, K. & ADOSRAKU, R. (2004) Evaluation of the antioxidant and free radical scavenging properties of Secamone afzelii Rhoem. Phytotherapy Research18(12):1031-1032.
  • HOUGHTON, P.J., MENSAH, A.Y., IESSA N. & YONG HONG L. (2003) Terpenoids in Buddleja: relevance to chemosystematics, chemical ecology and biologically activity. Phytochemistry 64:385-93.
  • HOUGHTON, P. J. & MENSAH, A.Y. (2003) Herbal practitioners and pharmacists in Ghana. British Pharmaceutical Journal,207:93-94.
  •  MENSAH, A.Y., SAMPSON, J., HOUGHTON, P.J., HYLANDS, P.J., WESTBROOK, J., DUNN, M., HUGHES, M.A. & CHERRY, G.W. (2001) Effects of Buddleja  globosa leaf and its constituents relevant to wound healing. Journal of Ethnopharmacology, 77: 219-226.
  • SAMPSON, J., HOUGHTON, P.J., MENSAH, A.Y. AND HYLANDS, P.J. (2000) Determination of the potential wound-healing effects of Buddleja globosa and Buddleja davidii leaves using an in-vitro human dermal fibroblast assay. Journal of Pharmacy and Pharmacology, S 308.
  • MENSAH, A.Y., HOUGHTON, P.J., BLOOMFIELD, S.F., VANDEN BERGHE, D.A., & VLIETNICK, A.J. (2000) Known and novel terpenes from Buddleja globosa displaying selective antifungal activity against dermatophytes. Journal of Natural Products, 63:1210-1213.
  • MENSAH, A HOUGHTON, P.J., HUGHES M. AND CHERRY, G.W. (1998) In vitro investigation of the wound-healing properties of Buddleja globosa Journal of Pharmacy and Pharmacology, 50 (Suppl.) 83.
  • HOUGHTON, P.J. AND MENSAH, A.Y. (1998) Buddleja and Wound Healing. SOFW-Journal, 123: 40-43.


  • Mensah, A.Y. Woode, E. & Houghton, P.J. (2006). Wound Healing Ghana Pharm. J28:61-66.
  • Mensah, A.Y. Houghton, P.J. & Woode, E. (2004). Fungi, friends or foes? Ghana Pharm. J28:22-36.


  • DICKSON, R. A, ANNAN, K. & MENSAH A. Y. (2012) Toxicity problems associated with Herbs In Herbal Drugs A Modern Approach to understand them Better Ed. SUBHASH C MANDAL pp. 436-443
  • HOUGHTON P.J. & MENSAH A.Y. (1999) Biologically-active compounds from Buddleja species. In Phytochemicals in Human Health Protection, Nutrition and Plant Defense Recent Advances in Phytochemistry 33 Ed. J.T. ROMEO, Kluwer Academic/Plenum, New York pp. 343-368.

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