About
Professional Summary
Dr. Eleazu Chinedum Ogbonnaya is currently working as Head of Department of Biochemistry. National Root Crops Research Institute, Umudike, Umuahia, Abia State, Nigeria. He has completed his Ph.D. in Nutritional Biochemistry from Michael Okpara University of Agriculture, Nigeria. He also performed his duties as Chemistry Teacher at Oboro Senior Secondary School, Ikwuano, Umuahia, and Michael Okpara University of Agriculture, Chemistry Lecturer to pre-degree students at Government Secondary School, Akwanga, Nasarawa State. He is member of editorial board in International Journal of Basic and Applied Sciences, and International Journal of Herbs and Medicinal Plants. He is member of Nigerian Society of Biochemistry and Molecular Biology. He has published 30 research articles in journals, 4 conference proceedings and 4 book abstracts contributed as author/co-author.
Education
Academic Background
Publications (54)
Selected Scholarly Contributions
Comparative study on the nutrients, heavy metals and pesticide composition of some locally produced and marketed rice varieties in Nigeria.
David, E., C. Eleazu, N. Igweibor, C. Ugwu, G. Enwefa and N.N. Nwigboji,
Food Chem.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2019
Ameliorative potentials of methanol fractions of Cnidoscolus aconitifolius on some hematological and biochemical parameters in streptozotocin diabetic rats.
Ngozi, A., O. Christopher, I. Ifeoma, E. Chinedum, I. Kalu and O. Chima,
Endocr Metab. Immune. Disord. Drug Targets,
| Journal Article

Eleazu Chinedum Ogbonnaya
2018
Free fatty acid receptor 1 as a novel therapeutic target for type 2 diabetes mellitus-current status.
Eleazu, C., C. Ayogu, K. Eleazu and N. Achi,
Chem. Biol. Int.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2018
Effect of ethanol extract of boiled breadfruit (Treculia Africana) seed on the oral glucose tolerance, lipid profile and body weight of normoglycemic albino rats.
Eleazu, K., P. Maduabuchi and C. Eleazu,
Food Sci. Nutr.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2018
Starch digestibility, polyphenol contents and in vitro alpha amylase inhibitory properties of two varieties of cocoyam (Colocassia esculenta and Xanthosoma mafafa) as affected by cooking.
Eleazu, C., A. Sampson, S. Saidu, K. Eleazu and C. Egedigwe-Ekeleme,
J. Food Meas. Charact.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2018
Effect of domestic cooking on the starch digestibility, predicted glycemic indices, polyphenol contents and alpha amylase inhibitory properties of beans (Phaseolis vulgaris) and breadfruit (Treculia africana).
Chinedum, E., S. Sanni, N. Theressa and A. Ebere,
Int. J. Biol. Macromol.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2018
Effect of processing on the biochemical contents of Acanthus montanus (Nees) T. Anderson (Acanthaceae) leaves.
Igwe, A. and C. Eleazu,
Food Sci. Nutr.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2018
Dietary intake of boiled breadfruit (Treculia africana) seeds did not improve hyperglycemia in streptozotocin induced diabetic rats: Effect on the oral glucose tolerance of normoglycemic rats.
Eleazu, C., I. Ezekwibe, M. Egbe, S. Saidu, K. Eleazu and C. Egedigwe,
Acta Sci. Pol. Technol. Aliment.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2017
The role of dietary polyphenols in the management of erectile dysfunction-mechanisms of action.
Eleazu, C., N. Obianuju, K. Eleazu and W. Kalu,
Biomed. Pharmacother.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2017
Evaluation of the distribution of cyanide in the peels, pulps and leaves of three new yellow cassava (Manihot esculenta Crantz) varieties for potential livestock feeds.
Udeme, N., P. Okafor and C. Eleazu,
Prog. Nutr.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2017
Modulation of the lipid profile and insulin levels of streptozotocin induced diabetic rats by ethanol extract of Cnidoscolus aconitifolius leaves and some fractions: Effect on the oral glucose tolerance of normoglycemic rats.
Achi, N.K., O.C. Ohaeri, I.I. Ijeh and C. Eleazu,
Biomed. Pharmacother.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2017
Effect of fractions of kolaviron on some indices of benign prostatic hyperplasia in rats: Identification of the constituents of the bioactive fraction using GC-MS.
Winner, K., O. Polycarp, I. Ifeoma and E. Chinedum,
RSC Adv.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2016
Effect of kolaviron, a biflavanoid complex from Garcinia kola on some biochemical parameters in experimentally induced benign prostatic hyperplasic rats.
Kalu, W.O., P.N. Okafor, I.I. Ijeh and C. Eleazu,
Biomed. Pharmacother.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2016
In vitro starch digestibility, α-amylase and α-glucosidase inhibitory capacities of raw and processed forms of three varieties of Livingstone potato (Plectranthus esculentus).
Eleazu, C.O., K.C. Eleazu and M. Iroaganachi,
Innov. Food Sci. Emerg. Technol.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2016
The concept of low glycemic index and glycemic load foods as panacea for type 2 diabetes mellitus; prospects, challenges and solutions.
Eleazu, C.O.,
Afr. Health Sci.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2016
Characterization of the natural products in cocoyam (Colocasia esculenta) using GC-MS.
Eleazu, C.O.,
Pharm. Biol.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2016
Effect of cocoyam (Colocasia esculenta), unripe plantain (Musa paradisiaca) or their combination on glycated hemoglobin, lipogenic enzymes and lipid metabolism of streptozotocin-induced diabetic rats.
Eleazu, C.O., K.C. Eleazu and M.A. Iroaganachi,
Pharm. Biol.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2016
Polyphenolic composition and antioxidant activities of 6 new turmeric (Curcuma Longa L.) Accessions.
Eleazu, C., K. Eleazu, C. Chukwuma, A. Ironkwe and A. Igwe,
Rec. Patents Food Nutr. Agric.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2015
Use of unripe plantain (Musa paradisiaca) in the management of diabetes and hepatic dysfunction in streptozotocin induced diabetes in rats.
Eleazu, C.O. and P.N. Okafor,
Interventional Med. Appl. Sci.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2015
Effect of unripe plantain (Musa paradisiaca) and ginger (Zingiber officinale) on renal dysfunction in streptozotocin-induced diabetic rats.
Iroaganachi, M., C.O. Eleazu and P.N. Okafor,
J. Pancreas,
| Journal Article

Eleazu Chinedum Ogbonnaya
2015
The metabolic effects of consumption of yellow cassava (Manihot esculenta Crantz) on some biochemical parameters in experimental rats.
Udeme, N., P. Okafor and C. Eleazu,
Int. J. Toxicol.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2015
Bioactive constituents and antioxidant activities of raw and processed cocoyam (Colocasia esculenta).
Awa, E. and C. Eleazu,
Nutra Food,
| Journal Article

Eleazu Chinedum Ogbonnaya
2015
Quality evaluation of commercially sold table water samples in Michael Okpara University of Agriculture, Umudike, Nigeria and surrounding environments.
Okorie, D.O., C.O. Eleazu and O.W. Akabuogu,
Toxicol. Rep.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2015
Nutrient composition, antioxidant capacity and natural products in Livingstone potato (Plectranthus esculentus).
Eleazu C.O. and K.C. Eleazu,
J. Food Process. Preserv.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2015
Effect of unripe plantain (Musa paradisiacal) and ginger (Zingiber officinale) on blood glucose, body weight and feed intake of Streptozotocin-induced diabetic rats.
Iroaganachi, M., C.O. Eleazu, P.N. Okafor and N. Nwaohu,
Open Biochem. J.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2015
Effect of livingstone potato (Plectranthus esculentus NE Br) on hepatic Glucose-6-phosphophate dehydrogenase activity of streptozotocin induced diabetic rats.
Ogbonnaya, E.C.,
J. Pancreas,
| Journal Article

Eleazu Chinedum Ogbonnaya
2014
Biochemical basis of the use of cocoyam (Colocassia esculenta L.) in the dietary management of diabetes and its complications in streptozotocin induced diabetes in rats.
Eleazu, C.O., P.N. Okafor and I. Ifeoma,
Asian Pacific J. Trop. Dis.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2014
Effect of livingstone potato (Plectranthus esculenthus N.E.Br) on hyperglycemia, antioxidant activity and lipid metabolism of streptozotocin induced diabetic rat.
Eleazu, C.O., K.C. Eleazu, S.C. Chukwuma, J. Okoronkwo and C.U. Emelike,
Toxicol. Rep.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2014
Effect of partial replacement of wheat flour with high quality cassava flour on the chemical composition, antioxidant activity, sensory quality and microbial quality of bread.
Eleazu, C., K. Eleazu, C. Aniedu, J. Amajor, A. Ikpeama and I. Ebenzer,
Prev. Nutr. Food Sci.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2014
Use of indigenous technology for the production of high quality cassava flour with similar food qualities as wheat flour.
Eleazu, O.C., K.C. Eleazu and S. Kolawole,
Acta Scientarium Polonorum Technol. Aliment,
| Journal Article

Eleazu Chinedum Ogbonnaya
2014
Effect of livingstone potato (Plectranthus esculenthus N.E.Br) on diabetes and its complications in streptozotocin induced diabetes in rats.
Eleazu, C.O., K.C. Eleazu, A. Ironkwe and M.A. Iroaganachi,
Diabetes Metab. J.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2014
Multi-location evaluation of turmeric genotypes in Nigeria.
Okechukwu, A.C., O.O. Adeyemi, E. Chinedu, O.C. Peggy and N.C. Chukwuma,
J. Agric. Sci. Technol.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2013
Induced mutagenesis on ginger for improved yield components and oleoresin content.
Iwo, G.A., C.O. Amadi, C.O. Eleazu and J.U. Ukpabi,
Can. J. Plant Breed.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2013
Ameliorative potentials of ginger (Z. Officinale Roscoe) on relative organ weights in streptozotocin induced diabetic rats.
Eleazu, C.O., M. Iroaganachi, P.N. Okafor, I.I. Ijeh and K.C. Eleazu,
Int. J. Biomed. Sci.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2013
Physicochemical composition and antioxidant properties of a sweetpotato variety (Ipomoea batatas L.) commercially sold in South Eastern Nigeria.
Eleazu, C.O. and C. Ironua,
Afr. J. Biotechnol.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2013
Health promoting compounds and in vitro antioxidant activity of raw and decoctions of Gnetum aficanum welw.
Ogbonnaya, E.C. and E.K. Chinedum,
Asian Pacific J. Trop. Dis.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2013
Bioactive constituents and in vitro antioxidant capacity of water leaf (Talinum triangulare) as affected by domestic cooking.
Ogbonnaya, E.C. and E.K. Chinedum,
Eur. J. Med. Plants,
| Journal Article

Eleazu Chinedum Ogbonnaya
2013
Effect of mistletoe extract (Loranthus micranthus) on the blood glucose, liver enzymes and electrolyte balance in alloxan induced diabetic rats.
Onunogbo, O.C., O.C. Ohaeri and C.O. Eleazu,
Am. J. Biochem. Mol. Biol.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2013
Determination of the physico-chemical composition, microbial quality and free radical scavenging activities of some commercially sold honey samples in Aba, Nigeria: The effect of varying colours.
Eleazu, C.O., M.A. Iroaganachi and J.O. Okoronkwo,
Int. J. Biomed. Res.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2013
Comparative Study of the Phytochemical Composition of the Leaves of Five Nigerian Medicinal Plants.
Eleazu, C.O., K.C. Eleazu, E. Awa and S.C. Chukwuma,
E3 J. Biotechnol. Pharm. Res.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2012
Chemical Composition of Mistletoe Extract (Loranthus micranthus) and Its Effect on the Protein, Lipid Metabolism and the Antioxidant Status of Alloxan Induced Diabetic Rats.
Onunogbo, C., O.C. Ohaeri, C.O. Eleazu and K.C. Eleazu,
E3 J. Med. Res.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2012
Physico-chemical properties and antioxidant potentials of 6 new varieties of ginger (Zingiber officinale).
Eleazu, C.O. and K.C. Eleazu,
Am. J. Food Technol.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2012
Serro-prevalence of Rubella virus antibodies in pregnant women attending Plateau Specialist Hospital, Jos.
Eleazu, C.O., K.C. Eleazu, J.U. Amajor and E.E. Amajor,
J. Biotechnol. Pharm. Res.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2012
Nutrient composition, polyphenolic content and free radical scavenging activities of five honey samples from NRCRI, Umudike and different locations in South Eastern Nigeria.
Eleazu, C.O., E. Oti, K.C. Eleazu and V. Obi,
Afr. J. Food Sci. Technol.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2012
Proximate composition, essential oils and energy value of 10 new varieties of ginger (Zingiber officinale roscoe).
Eleazu, C.O., A.I. Ikpeama, J.U. Amajor and K.C. Eleazu,
Int. J. Biol. Pharm. Allied Sci.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2012
Biochemical qualities of 10 elite accessions of ginger (Zingiber officinale Roscoe).
Eleazu, C.O., C.O. Amadi and G. Iwo,
Afr. J. Food Sci. Technol.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2012
Determination of the proximate composition, total carotenoid, reducing sugars and residual cyanide levels of flours of 6 new yellow and white cassava (Manihot esculenta Crantz) varieties.
Eleazu, C.O. and K.C. Eleazu,
Am. J. Food Technol.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2012
Comparative evaluation of the physicochemical composition and microbial quality of seven different water sources used in processing root and tuber crops in Umudike, Nigeria.
Amajor, J.U., C.O. Eleazu, E.E. Amajor, C.F. Ironua and P. Nwosu,
Afr. J. Biotechnol.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2012
Extractable sugars and microbial quality of 5 honey samples from umudike farms and different locations in South Eastern Nigeria.
Eleazu, C.O., J.U. Amajor, A.I. Ikpeama, V. Obi and O. Kolawole,
Int. J. Biol. Pharm. Allied Sci.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2012
Nutritional evaluation and microbial load of cassava (Manihot esculenta) sieviates and peels fermented in brine.
Eleazu, C.O., E. Oti, J.U. Amajor, A.I. Ikpeama, E. Awa and K.C. Eleazu,
Int. J. Adv. Sci. Tech. Res.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2011
Chemical composition, antioxidant activity, functional properties and inhibitory action of unripe plantain (M. Paradisiacae) flour.
Eleazu, C.O., P.N. Okafor, J. Amajor, E. Awa, A. Ikpeama and K.C. Eleazu,
Afr. J. Biotechnol.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2011
Effect of variety on the physico-chemical, carotenoid and microbial loads of flours of five new varieties of sweet potato.
Amajor, J.U., C.O. Eleazu, E. Oti, E.F. Udoh and A.I. Ikpeama et al.,
Biotechnology,
| Journal Article

Eleazu Chinedum Ogbonnaya
2011
Total antioxidant capacity, nutrient composition, microbial loads and percentage inhibitory activity of unripe plantain flour.
Eleazu, C.O., J.U. Amajor and A. Ikpeama,
Can. J. Pure Appl. Sci.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2011
Studies on the nutrient composition, antioxidant activities, functional properties and microbial load of the flours of 10 elite cassava (Manihot esculenta) varieties.
Eleazu, C.O., J.U. Amajor, A.I. Ikpeama and E. Awa,
Asian J. Clin. Nutr.,
| Journal Article

Eleazu Chinedum Ogbonnaya
2011