Dr. Luqman A. Olayaki

Research Scientist 

Academic and Professional Qualifications


  • 1998: MBBS, Medicine and Surgery, Ahmadu Bello University, Zaria, Nigeria

  • 2004: M.Sc., Physiology, University of Lagos, Lagos, Nigeria

  • 2011: Ph.D. (Physiology) (University of Ilorin, Ilorin)




Career History


  • Senior Lecturer - University of Ilorin, Ilorin, Kwara State  (2011- till date)

  • Lecturer I - University of Ilorin, Ilorin, Kwara State (2008 - 2011)

  • Lecturer II - Ujniversity of Ilorin, Ilorin, Kwara State (2001 - 2008)

  • National Service (NYSC) - Opodo General Hospital, Opodo/Civil Service Clinic, Portharcourt, Rivers State (2000 - 2001)

  • Housemanship - Ahmadu Bello University, Zaria, Kaduna State (1998 - 1999)


Research Interests


  • Experimental diabetes and its metabolic manifestations on the reproductive systems in both males and females

  • Reproductive Physiology

  • Role of antioxidant agents on physiological state (e.g. pregnancy)




Brief Profile


Luqman Olayaki is currently a Senior Lecturer in the Department of Physiology, College of Health Sciences, University of Ilorin, Ilorin. His area of research includes the study of antioxidant agents (especially melatonin), medicinal plants and environmental agents on the endocrine (mainly diabetes mellitus) and reproductive systems. He bagged his MB;BS degree from Ahmadu Bello University, Zaria in 1998, and proceeded to the University of Lagos, Lagos where he obtained his M.Sc. in Reproductive Physiology in 2004. Olayaki was granted University Staff Development Award to undertake his doctoral training in the University of Ilorin, Ilorin and obtained the Ph.D. degree in 2011. He has served the University of Ilorin in various capacities such as the Sub-Dean, Faculty of Basic Medical Sciences, College of Health Sciences, University of Ilorin, Ilorin, 2006-2012, Head, Department of Physiology, College of Health Sciences, University of Ilorin, Ilorin 2012-2014 etc. Olayaki had a stint in tissue culture training at the School of Biomedical Sciences, Ulster University, Coleraine, Northern Ireland, United Kingdom.


Selected Publications


  • Olayaki L.A., Okesina K.B., Abioye A.I.R., Ajao M.S., Olawepo A., and Biliaminu S.A. (2012). L-Tryptophan Reduces Creatinine Clearance in Alloxan-Induced Diabetic Rats. The Tropical Journal of Health Sciences. 17(1):1-4. Available online at http://www.ajol.info/index.php/tjhc


  • Oguntoye S.O., Kolawole O.M., Adebayo E.A., Aladetuyi A., Ugwu F., and Olayaki L.A. (2011). Quantitative Phytochemical Analysis and Antidiabetic Effect of the Alcoholic Stem Bark Extract of Nauclea Latifolia. Nig J Pure & Appl Sci 24:2264-2269.  Available online at http://www.ajol.info/index.php/biokem 


  • Olayaki, L.A. & Soladoye, A.O. (2011): Melatonin Improves Antioxidant Status and Foetal Outcome in Pregnant Diabetic Rats. Diabetes Technology and Therapeutics 13(2):86. Available online at   http://www.liebertpub.com/dia



  • Ajao, M.S., Adepoju, O.O., Olayaki, L.A., Olawepo, A., Adefolaju, G.A., Jimoh, S.A. & Abioye, A.I. (2011): Physical Reactions of Nigerian Health Sciences Students to Formaldehyde Used as cadavers Preservatives. Research Journal of Applied Sciences 6(1):20-24. Available online at http://www.medwelljournals.com


  • Ghazal, O.K., Ashaolu, J.O., Jimoh, A.A.G. & Olayaki, L.A. (2010): Peace and Security Issues: Biomedical Persepectives. In: Dynamics of Peace and Progresses. I.O. Albert & I.O. Oloyede (eds). 533-539. 



  • Ayinla, M.T., Soladoye, A.O., Olayaki, L.A. & Sulaiman, S.O. (2010): Effect of Aqueous Seed Extract of Nigella sativa on Some Haematological Values, Lipid Peroxidation and Osmotic Fragility Changes in Alloxan–induced Diabetic Rats. The Tropical Journal of  Health Sciences. 17(1):20-24. Available online at http://www.ajol.info/index.php/tjhc


  • Salman, T.M., Olayaki, L.A., Shittu, S.T. & Bamigboye, S.O. (2010): Serum testosterone concentration in chloroquine-treated rats: effects of ascorbic acid and alphatocopherol. African Journal of Biotechnology. 9(27):4278-4281. Available online at http://www.academicjournals.org/AJB


  • Ajao, M.S., Olawepo, A., Falaiye, M., Adefolaju, A.G., Olayaki, L.A., Jimoh, S.A. &

  • Abioye, A.I. (2010): Knowledge of Nigerian Laboratory Technologists and Mortuary Attendants on Variuos Methods of Embalming Techniques. Int J Biol Chem Sci.4(5):1575-1581. Available online at www.ajol.info/index.php/ijbcs


  • Olayaki, L.A. & Soladoye, A.O. (2009): Effect of Melatonin on Glutathione Peroxidase and Fetal Outcome in Alloxan-induced Diabetic Rats. The Journal of Physiological Sciences 59(1):230. Available online at http://www.springer.com


  • Olayaki L.A., Olatunji-Bello I.I., Soladoye A.O., Jimoh O.R., Ghazal O. and M. Ighodalo  (2009). Effects Of Aqueous Leaf Extract Of Cajanus Cajan On Litter Size And Serum Progesterone In Pregnant Rats. Journal of Pharmacology and Phytotherapy. 1(2):21-24. Availabe online at http://www.academicjournals.org/JPP


  • Ajao M.S., Olayaki L.A., Oshiba O.J., Jimoh O.R., Jimoh S.A., Olawepo A., and A.I.R. Abioye (2009). Comparative Study of the Hypoglycemic Effects of Coconut Water Extract of Picralima nitida Seeds (Apocynaceae) and Daonil in Alloxan-Induced Diabetic Albino Rats. African Journal of Biotechnology 8(4):574-576. Availabe online at http://www.academicjournals.org/AJB


  • Ajao, M.S., Abdullahi, S., Jimoh, S.A., Olawepo, A. & Olayaki, L.A. (2008): The Causes of shortage of Cadavers in Medical Schools Across Nigeria. The Tropical Journal of Health Sciences. 15(1):1-4.  Available online at http://www.ajol.info/index.php/tjhc


  • Ajao, M.S., Olawepo, A., Olayaki, L.A., Duru, F.I.O., Okanlawon, A.O. & Noronha, C.C. (2008): A Comparative Study Of The Protective Effect Of Jubi Formula And Melatonin On Acute Acetaminophen Induced Liver Damage In Sprague-Dawley Rats. . 15(1):78-81. Available online at http://www.ajol.info/index.php/tjhc


  • Olayaki, L.A., Salman, T.M., . Ayinla, M.T., Soladoye, A.O. & Ajao, M.S. (2008): Plasma Magnesium and Cardiovascular Changes During Menstrual Cycle in Young Nigerians Women. The Tropical Journal of Health Sciences. 15(2):24-28.  Available online at http://www.ajol.info/index.php/tjhc


  • Olayaki, L.A., Salman, T.M., Jimoh, A.A.G., Iduh, G. & Soladoye, A.O. (2008): Effects of Photoperiod on Some Haematological Indices in Rats. Nigerian Journal of Health and Biomedical Sciences. 7(1):11-14.  Available online at www.ajol.info/index.php/njhbs


  • Olayaki, L.A., Edeoja, E.O., Jimoh, O.R., Ghazal, O.K., Olawepo, A.O., Jimoh, A.G.& Biliaminu, S.A. (2008): Effects of Cigarette Smoking on Urinary Testosterone Excretion in Men. Biokemistri. 20(1):29-32. Published by Nigerian Society for Experimental Biology, Uyo, Nigeria. Available online at http://www.ajol.info/index.php/biokem


  • Olayaki L.A., Soladoye A.O., Salman T.M., & Joraiah B. (2008). Effects of Photoperiod on Testicular Functions in Male Rats. Nigerian Journal of  Physiological Sciences. 23(1-2):27-30. Available online at http://www.biolineinternational.org.br/nips 


  • Jimoh, O. R., Olaore, J., Olayaki, L.A., Olawepo, A. & Biliaminu, S.A. (2008): Effects Of Aqueous Extract Of Ocimum Gratissimum On Haematological Parameters Of Wistar Rats. Biokemistri. 20(1):33-37. Online address: http://www.ajol.info/index.php/biokem


  • Olayaki L.A., Ajao M.S, Jimoh A.A.G., Aremu I.T. and Soladoye A.O. (2008). Effect of Vitamin C on Malondialdehyde (MDA) in Pregnant Nigerian Women. Journal of Basic and Applied Sciences 4(2):73-76. Online address: http://www.jbaas.com  


  • Salman T.M., Olayaki L.A. and Oyeyemi W.A. (2008). Aqueous Extract of Telfairia Reduces Blood Sugar and Increases Haematological and Reproductive Indices in Male Rats. 7(14):2299-2303.  Online address: http://www.academicjournals.org/AJB


  • Olayaki, L.A.,, Jimoh, A.A.G., Salman, T.M., Olumeyan, C.I. & Soladoye, A.O. (2008): Effect of Vitamin C on Glutathione Peroxidase Activities in Pregnant Nigerian Women-An Ilorin Study. Nigerian Medical Practitioner. 53(1/2):3-6. Published by SAME Ventures, Lagos. Available online at http://www.ajol.info/index.php/nmp


  • Olayaki, L.A., Soladoye, A.O., Jimoh, O.R. & Olawepo, A. (2007): Effects of Roasted    Yam (Ciscorea rotundata Poir.) on Erythrocyte Osmotic Fragility and Other Hematologic Values in Male Albino Rats. Biokemistri 19(2):49-52. Published by Nigerian Society for Experimental Biology, Uyo, Nigeria. Available online at http://www.ajol.info/index.php/biokem


  • Olayaki, L.A., Ajibade, K.S., Gesua, S.S. & Soladoye, A.O. (2007): Effect of Zingiber officinale on Some Hematologic Values in Alloxan-Induced Diabetic Rats. Pharmaceutical Biology. 45:556-559. Available online at informahealthcare.com/loi/phb


  •  Olayaki L.A., Ajao M.S., Ayo J., Ayinla M.T. and Soladoye A.O. (2007). Plasma Calcium Ion and Some Cardiovascular Changes During Phases of Menstrual Cycle in Young Premenopausal Nigerian Women. Research Journal of Medical Sciences. 1(5):267-270.  Available online at medwellonline.com


  • Olayaki, L.A., Soladoye, A.O., Salman, T.M. & Joraiah, B. (2006): Effects of Photoperiod on Reproductive Functions in Male Rats. Nigerian Journal of  Physiological Sciences. 21(1-2): 121.  Available online at http://www.biolineinternational.org.br/nips; http://www.ajol.info/journals.nips


  • Olatunji, L.A., Olayaki, L.A. & Soladoye, A.O. (2004): Effects of Acute Vitamin C Ingestion on Cardiovascular Responses to Head-up Tilt or Cold Pressure Test in Healthy Men. Nigerian Journal of Physiological Sciences. 19(1-2):108.  Available online at  http://www.ajol.info/journals.nips



Contact Details:

Emails: admin@breacnigeria.orgolayaki@gmail.com

Tel: +2347032508107


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