Prof. Gabriel Olukayode Ajayi is a Professor of Biochemistry and Dean, School of Postgraduate Studies, Mountain Top University, Prayer City, Ogun State, Nigeria. He holds B,Sc. (Hons.), M.Sc. (Lagos) and PhD (FUNAAB) in Biochemistry. He is an astute and inspiring teacher and researcher with over 22 years experience in University education. His research focuses on phytomedicine, natural drug discovery, medical biochemistry, biochemical and environmental toxicology. He investigates health-promoting properties of medicinal plants and bioactivivity of phytochemical compounds in managing non-communicable diseases such as diabetes, cancer, hypertension and nephrological problems, and also using medicinal plants as remedies for heavy metal poisoning. He has authored and co-authored more than 40 articles and abstracts in local and international peer reviewed journals. He is a member of the Nigerian Society of Biochemistry and Molecular Biology, American Society of Biochemistry and Molecular Biology, British Biochemical Society among others. He is married with beautiful children and a grand child

Ph.D. Biochemistry (FUNAAB) 2014 M.Sc. Biochemistry (Lagos) 1995 B.Sc. (Hons.) Biochemistry (Lagos) 1989

Member (Full Member) - Nigerian Society of Experimental Biology 2021 Member (Full Member) - Biochemical Society, UK 2018 Member (Full Member) - American Society of Biochemistry and Molecular Biology, USA 2018 Member (Associate Member) - National Institute of Marketing of Nigeria 2016 Member (Full Member) - Nigerian Society of Biochemistry and Molecular Biology 2006 Member (Full Member) - Federation of African Societies of Biochemistry and Molecular Biology 2006 Member (Associate Member) - Institute of Biomedical Science, UK 1998 Member (Full Member) - Nigerian Institute of Food Science and Technology (NIFST) 1998

1	Ofudje E. A., Akande J., Sodiya E., Ajayi G., Ademoyegun A. (2023). Bioactivity properties of hydroxyalpatite/clay nanocomposites. Research Square 1-24-Updated on: 18Jan24	See DOI
2	Kayode O. T., Afolabi O.A., Ajayi G. O. (2023). Antioxidant and antilipidemic action of ketogenic diet and tomato powder mix in high sugar and fat fed Harwich fruit flies. Heliyon 9: e20411-Updated on: 18Jan24	See DOI
3	Ajayi G.O. and Akinsanya M.A. (2023). Phytochemical Profiles of Allium cepa and Allium fistulosum by Gas Chromatography-Mass Spectrometry Analysis: A Comparative Study. Nigerian Journal of Biochemistry and Molecular Biology 38(2), 73-82.-Updated on: 18Jan24	See DOI
4	Afolabi O. A., Kayode O. T., Kayode A. A., Ajayi G. O. (2023). Chemical analysis of novel ginger and Hibiscus sabdariffa bio preserved tomato powder. Bioactive Compounds in Health and Disease 6(8): 172-184.-Updated on: 18Jan24	See DOI
5	Salami S. A., Adesina D. V., Ajayi G. O., Akinsanya M. A., Allen M. O., Salahdeen H. M. (2022) Possible mechanisms in Ficus exasperata ethanol root fraction amelioration of lead-induced corpus cavernosal contractile impairments in male Wistar rats. Journal of Research in Traditional Medicine 8(2): 55-63.-Updated on: 18Jan24	See DOI
6	Ofudje E.A., Akinwunmi F., Sodiya E. F., Alayande S. O., Ogundiran A. A., Ajayi, G. O. (2022). Biogenic preparation of biphasic calcium phosphate powder from natural source of snail shells: bioactivity study. SN Applied Sciences, 4:144-Updated on: 27May22	See DOI
7	Adeniyi T. T., Ajayi G. O., Akinloye O. A., (2008). Effect of Ascorbic Acid and Allium sativum on Tissue Lead Level in Female Rattus navigicus. Nigerian Journal of Health and Biomedical Sciences, Vol. 7,Issue 2,pp. 38-41.-Updated on: 27May22
8	Akinsanya M. A., Adesina D. V., Ajayi G. O. (2022). In vitro antioxidant activity and chemical composition of hydro-ethanol extract of Ficus exasperata (Vahl) root. LASU Journal of Medical Sciences, Volume 6(2):-Updated on: 27May22
9	Ajayi, G. O., Ademuyiwa, O., Lasisi, A. A., Olagunju, J. A., (2021). Chronic hyperglycemia and biochemical alterations induce hepatic-renal dysfunction in rats administered ethylacetate fraction of Plumbago zeylanca, Linn. International Journal of Biochemistry, Bioinformatics and Biotechnology Studies, Vol. 6, No. 1, pp. 17-29.-Updated on: 27May22
10	Ajayi G. O., Edamisan O. M., Obayemi P. T., Elegbeleye E. N., Obi E. U. (2021). Phytoconstituents and antidiabetic activity of Vernonia amygdalina (Asteraceae) in steptozotocin-induced diabetic rats. International Journal of Biochemistry, Bioinformatics and Biotechnology Studies, Vol. 6, No. 1, pp. 1-16.-Updated on: 27May22
11	Ajayi G. O., Obi E. U., Elegbeleye E. N., Obayemi P. T., Edamisan O. M. (2020). The role of Vernonia amygdalina on plasma lipid profile, liver and kidney enzymes in rats with streptozotocin-induced diabetes. Sumerianz Journal of Medical and Healthcare, Vol. 3, No. 11, pp. 93-102.-Updated on: 27May22
12	Ajayi G. O., Adeniyi T.T., (2020). Toxicopathological investigation of the effects of ethanol corm extract of Zygotritonia crocea on the liver of wistar albino rats. European Journal of Biology and Medical Science Research, Vol. 8, Issue 2, pp. 1-8.-Updated on: 27May22
13	Ajayi G. O., Olorunrinu T. J., Shitu M. A. (2020). Elucidation of bioactive compounds in hydroalcohol extract of Phyllantus amarus Schum. and Thonn. leaf using GC-MS analysis. Journal of Scientific and Innovative Research, Vol. 9,Issue 2,pp. 40-47-Updated on: 27May22
14	Ajayi, G. O., Shittu, M. A., Olorunrinu, T. J., Akinsanya, M. A., Olagunju, J. A., (2020). Influence of Phyllanthus amarus on biochemical and haematological status in rats of ibuprofen-induced nephrotoxicity. Sumerianz Journal of Biotechnology, Vol. 3,Issue 8,pp. 60-68.-Updated on: 27May22
15	Ajayi G. O., Akinsanya M. A., Agbabiaka A. T., Oyebanjo K. S., Hungbo T. D., Olagunju J. A., (2019). D-Limonene: A major bioactive constituent in Allium fistulosum identified by GC-MS analysis. Journal of Phytopharmacology, Vol. 8,Issue 5,pp. 257-259-Updated on: 27May22	See DOI
16	Ajayi G. O., Ademuyiwa O., Lasisi A. A., Olagunju J. A., (2019). Free radical scavenging activities of extracts and bioactive constituents from the roots of Plumbago zeylanica (Linn)). European Journal of Biology and Medical Science Research, Vol. 7,Issue 2,pp. 21-33.-Updated on: 27May22
17	Ajayi G. O., Ademuyiwa O., Olagunju J. A., Faduyile F. A., (2019). Biochemical and toxicological implications of ethylacetate fraction of the methanolic extract of Plumbago zeylanica (Linn) root. Journal of Phytopharmacology, Vol. 8,Issue 4,pp. 192-198-Updated on: 27May22	See DOI
18	Ajayi G. O., Ademuyiwa O., Lasisi A. A., Olagunju J. A., (2019). Acute toxicological assessment and haematological effect of Plumbago zeylanica, Linn in rodents. LASU Journal of Medical Sciences, Vol. 4,Issue 2,pp. 59-65.-Updated on: 27May22
19	Ajayi G. O., Adeniyi T. T., Soyinka O., Adimoha A. G., (2018). The effect of vitamin E and folic acid on glucose metabolism in rats treated with combined oral contraceptives. Annals of Clnical Sciences, Vol. 3,Issue 1,pp. 12-17.-Updated on: 27May22
20	Adeniyi T. T., Ajayi G. O., Anise R. O., (2016). Effects of extracts of Zygotritonia crocea corms on haematological and serum electrolyte parameters in rats. LASU Journal of Medical Sciences, Vol. 1,Issue 1,pp. 20-24.-Updated on: 27May22
21	11. Saalu L. C., Akunna G. G., Ajayi G.O., (2013). Modulating role of bitter leaf on spermatogenic and steroidogenesis functions of the rat testis. American Journal of Biochemistry and Molecular Biology, Vol. 3,Issue 3,pp. 314-321.-Updated on: 27May22
22	Saalu L. C., Ogunlade B., Ajayi G. O., Oyewepo A. O., Akunna G. G., Ogunmodede, (2012). The hepato-protective potentials of Moringa oleifera leaf extract on alcohol-induced hepato-toxicity in wistar rats. American Journal Biotechnology and Molecular Sciences, Vol. 2,Issue 1,pp. 6-14.-Updated on: 27May22
23	Adeniyi T.T., Ajayi G.O., Sado M. A., Olopade H. J. (2012). Vitamin C and garlic (Allium sativum) ameliorate nephrotoxicity and biochemical alterations induced in lead-exposed rat. Journal of Medicine and Medical Sciences, Vol. 3,Issue 5,pp. 273-280.-Updated on: 27May22
24	Ogunlade B., Saalu L. C., Ogunmodede O. S., Akunna G.G., Adeeyo O.A., Ajayi G. O., (2012). The salutary role of Allium cepa extract on the liver histology, liver oxidative status and liver marker enzymes of rabbits submitted to alcohol-induced toxicity. American Journal of Biochemistry and Molecular Biology, Vol. 2,Issue 2,pp. 67-81.-Updated on: 27May22
25	Ajayi G. O., Olagunju J. A., Ademuyiwa O., Martins O.C., (2011). Gas chromatography-mass spectrometry analysis and phytochemical screening of ethanolic root extract of Plumbago zeylanica, LINN. Journal of Medicinal Plant Research, Vol. 5,Issue 9,pp. 1756-1761.-Updated on: 27May22
26	Akinsanya M. A., Adeniyi T. T., Ajayi G. O., Oyedele M. A., (2010). Effects of vitamin E and folic acid on some antioxidant enzymes activities of female wistar rats administered combined oral contraceptives. African Journal of Biochemistry Research, Vol. 4,Issue 10,pp. 238-242-Updated on: 27May22
27	Saalu L. C., Osinubi A. A., Jewo P. I., Oyewepo A. O., Ajayi G. O., (2010). An evaluation of influence of Citrus paradisi seed extract on doxorubicin-induced testicular oxidative stress and impaired spermatogenesis. Asian Journal of Scientific Research, Vol. 3,Issue 1,pp. 51-61.-Updated on: 27May22
28	Adeniyi T. T., Ajayi G. O., Akinsanya M. A., Jaiyeola T. M., (2010). Biochemical changes induced in rats by aqueous and ethanolic corm extracts of Zygotritonia croceae. Scientific Research and Essay, Vol. 5,Issue 1,pp. 71-76.-Updated on: 27May22
29	Ajayi G. O., Adeniyi T. T., Babayemi D. O., (2009). Hepatoprotective and some haematological effects of Allium sativum and vitamin C in lead-exposed wistar rats. International Journal of Medicine and Medical Sciences, Vol. 1,Issue 3,pp. 64-67.-Updated on: 27May22
30	Saalu L. C., Ajayi G. O., Adeneye A. A., Imosemi I. O., Osinubi A. A., (2009). Ethanolic seed extract of grapefruit (Citrus paradisi Macfad) as an attenuator of doxorubicin-induced oxidative stress in the rat heart. International Journal of Cancer Research, Vol. 5,Issue 2,pp. 44-52.-Updated on: 27May22
31	Ajayi G. O., Akinsanya M. A., Ajiboye K. O., Magbagbeola O. A., (2009). Anti-diabetic potential of the aqueous leaf extracts of Ocimum gratissimum (LABIATAE) and Vernonia amygdalina DEL. (COMPOSITAE) in diabetic-induced rabbit. Nigerian Journal of Health and Biomedical Sciences, Vol. 8,Issue 1,pp. 1-4.-Updated on: 27May22
32	Shittu L. A. J., Zacchariah M. P., Ajayi G. O., Oguntola J. A., Izegbu M. C., Ashiru O. A., (2007). The negative impacts of adolescent sexuality problems among Secondary School Students in Oworonshoki, Lagos. Scientific Research and Essay, Vol. 2,Issue 1,pp. 23-28.-Updated on: 27May22
33	Izegbu M.C., Amole O. O., Ajayi G. O., (2006). Attitudes, perception, and practice of Workers in Laboratories In the Two Colleges of Medicine and Teaching Hospitals in Lagos State, Nigeria as Regards Universal Precautions Measures. Biomedical Research, Vol. 17,Issue 1,pp. 49-54.-Updated on: 27May22
34	Magbagbeola O. A., Bolawa E. O., Ajayi G. O., (1999). A test of Efficacy of Viscum album Aqueous Extract as a Fertility Enhancing Drug. Journal of Medicine and Medical Sciences, Vol. 1,Issue 2,pp. 106-112.-Updated on: 27May22