About
Professional SummaryI hold a Ph.D in Environmental Biochemistry/Toxicology & a Postgraduate Diploma in Journalism. A Professional Certification on pest, rodent control and fumigation, Certification on HSE Competence Development (level 3), Certification on Health safety and environment (Level 1-2), Certification on Environmental and Social Standards (World Bank accredited). I have over 100 scientific publications
Education
Academic Background-
Ph.D. Federal University of Technology Owerri, Nigeria, Biochemistry | Completed: 2010
Publications (74)
Selected Scholarly Contributions
Combretum dolichopentalum extract normalized biochemical and haematological parameters in carbon tetrachloride (CCL4) intoxicated rats
2021
South Eastern Nigerian seafood diets have desirable effects on biochemical indices of experimental rabbits.
Ujowundu Onyekachi Cosmas
2018
Ecotoxicological impact of sub-lethal concentrations of glyphosate-based herbicide on juvenile Clarias gariepinus.
Ujowundu Onyekachi Cosmas
2017
Glyphosate-based pesticide-induced biochemical changes in hepatic and renal tissues of Clarias gariepinus.
Ujowundu Onyekachi Cosmas
2017
Lead-induced oxidative stress and chemoprotective role of dietary supplements on wistar albino rats.
Ujowundu Onyekachi Cosmas
2017
Gas chromatography-mass spectrometry and infra-red studies of bioactive phytoorganic components of Combretum dolichopentalum leaves.
Ujowundu Onyekachi Cosmas
2017
Modulation of biochemical stress initiated by toxicants in diet prepared with fish smoked with polyethylene (plastic) materials as fuel source.
Ujowundu Onyekachi Cosmas
2016
Biochemical and histological evaluation of benzo[a]pyrene induced nephrotoxicity and therapeutic potentials of Combretum zenkeri leaf extract.
Ujowundu Onyekachi Cosmas
2016
In vivo antiplasmodial activity of ethanol and aqueous extracts of Uvaria chamae and Phyllantus amarus plants.
Ujowundu Onyekachi Cosmas
2016
Chemical composition and bioavailability of zinc and iron in Kunu-zaki, a Nigerian traditional beverage.
Ujowundu Onyekachi Cosmas
2016
Effects of electromagnetic radiations (EMR) on some soil physicochemical parameters, catalase and dehydrogenase activities.
Ujowundu Onyekachi Cosmas
2016
Calcium carbide-induced haematological alterations in the albino mice-Mus musculus.
Ujowundu Onyekachi Cosmas
2016
Studies on the phytochemical and antibacterial activities of aqueous and ethanol extracts of Psidium guajava and Moringa oleifera.
Ujowundu Onyekachi Cosmas
2015
Hypolipidemic properties of ethanol extract of Cyperus rotundus Rhizome.
Ujowundu Onyekachi Cosmas
2015
Free radicals scavenging and neuroprotective effects of ethanolic leaf extract of Combretum zenkeri leaf.
Ujowundu Onyekachi Cosmas
2015
The ameliorative effect of aqueous leaves extract of Acalypha wikessina on carbon tetrachloride induced hepatoxicity in wistar albino rats.
Ujowundu Onyekachi Cosmas
2015
The effects of Moringa oleifera leaves extracts on sickle cell hemoglobin.
Ujowundu Onyekachi Cosmas
2015
Biochemical changes in tissues of Telfaria occidentalis leaves following subchronic exposure to some heavy metals.
Ujowundu Onyekachi Cosmas
2014
Protective effect of ethanol leaf extract of Combretum zenkeri on liver functions of albino rats following benzo(A)pyrene exposure.
Ujowundu Onyekachi Cosmas
2014
Crude oil induced oxidative changes and chemoprotective roles of Ocimum gratissimum and Gongronema latifolium formulated diet.
Ujowundu Onyekachi Cosmas
2014
Phyllantus amarus (Schum. and Thonn): An antiplasmodial plant.
Ujowundu Onyekachi Cosmas
2014
Toxicological impact of gas flaring and other petroleum production activities in the Niger Delta area of Nigeria.
Ujowundu Onyekachi Cosmas
2014
Effect of sublethal concentration of heavy metal contamination on soil physicochemical properties, catalase and dehydrogenase activities.
Ujowundu Onyekachi Cosmas
2014
In vitro and in vivo antitrypanosomal effects of methanol and aqueous extracts of Picralima nitida.
Ujowundu Onyekachi Cosmas
2014
The effects of extracts of Christmas bush (Alchornea cordefolia) on sickle cell hemoglobin.
Ujowundu Onyekachi Cosmas
2014
Procarcinogens: Polycyclic aromatic hydrocarbons and heavy metal content in some locally processed foods in South Eastern Nigeria.
Ujowundu Onyekachi Cosmas
2014
Hepatoprotective effects of crude extracts of tomato and onion in rats exposed to locally processed beef.
Ujowundu Onyekachi Cosmas
2014
The antioxidant and free radical scavenging effects of extracts of seeds of some neglected legumes of South-East Nigeria.
Ujowundu Onyekachi Cosmas
2014
Effects of Dichlorvos on reduced glutathione, glutathione s-transferase and lipid peroxidation of egg laying hens.
Ujowundu Onyekachi Cosmas
2014
Effects of roasted beef based-diet on thyroid hormones and vitamins: the biochemical roles of Lycopersicon esculentum L. and Allium cepa.
Ujowundu Onyekachi Cosmas
2013
The anti-sickling potentials of four Curcubits (T. occidentalis, C. maxima; C. sativus and C. lonatus).
Ujowundu Onyekachi Cosmas
2013
Calcium, zinc and phytate interrelationships in four lesser-known African seeds processed into food condiments.
Ujowundu Onyekachi Cosmas
2013
Evaluation of the impact of oil and gas pollutants on the chemical composition of Abelmoschus esculentus Moench and Pterocarpus mildbraedii Harms.
Ujowundu Onyekachi Cosmas
2013
Effect of gas flaring on the phytochemical and nutritional composition of Treculia africana and Vigna subterranean.
Ujowundu Onyekachi Cosmas
2013
Environmental metals pollutants load of a densely populated and heavily industrialized commercial city of Aba, Nigeria.
Ujowundu Onyekachi Cosmas
2013
Total amino acid profiles of heat-processed fresh Elaeis guineensis and Raphia hookeri wines.
Ujowundu Onyekachi Cosmas
2013
Antioxidant content and free radical scavenging activity of honeys of Apis mellifera of Obudu cattle ranch.
Ujowundu Onyekachi Cosmas
2012
Impact of some heavy metals in soil on oxidative stress indices and chlorophyll levels of Telfaria occidentalis leaves.
Ujowundu Onyekachi Cosmas
2012
Phytochemical and biochemical compositions of African walnut (Tetracarpidium conophorum).
Ujowundu Onyekachi Cosmas
2012
Phytochemicals, minerals, vitamins and antioxidant compositions of three Nigerian medicinal plants.
Ujowundu Onyekachi Cosmas
2012
Amino acid profile of raw and locally processed seeds of Prosopis Africana and Ricinus communis: Potential antidotes to protein malnutrition.
Ujowundu Onyekachi Cosmas
2012
The synergistic effect of some antisickling agents.
Ujowundu Onyekachi Cosmas
2012
Incidence of protein energy malnutrition and iron deficiency anaemia among lactating women in owerri, nigeria.
Ujowundu Onyekachi Cosmas
2012
Hepatocellular enzyme activities and protein level following administration of vitamins during chloroquine induced hepatoxicity in Wistar rats.
Ujowundu Onyekachi Cosmas
2012
The antioxidative potentials of Gongronema latifolium on diesel petroleum induced hepatotoxicity.
Ujowundu Onyekachi Cosmas
2012
Management of changes in liver chemistry in male rats acutely exposed to crude petroleum oil.
Ujowundu Onyekachi Cosmas
2012
The effects of processing on the proximate and phytochemical compositions of Mucuna pruriens seeds (velvet beans).
Ujowundu Onyekachi Cosmas
2011
Iodine nutrition for pregnant women in three major villages of ohafia local government area of abia state.
Ujowundu Onyekachi Cosmas
2011
Effect of aluminum extrusion elements on the physicochemical and microbiological dynamics of Iyi-Mbaa Stream, Imo State, Nigeria.
Ujowundu Onyekachi Cosmas
2011
Biochemical composition and antimicrobial activities of the seed extracts of Avocado (Persea Americana).
Ujowundu Onyekachi Cosmas
2011
Antimicrobial action of methanol extract of Chromolaena odoranta Linn. is logistic and exerted by inhibition of dehydrogenase enzymes.
Ujowundu Onyekachi Cosmas
2011
Iodine and inorganic mineral contents of some vegetables, spices and grains consumed in Southeastern Nigeria.
Ujowundu Onyekachi Cosmas
2011
Chemoprotective potentials of Ocimum gratissimum in diesel petroleum induced hepatotoxicity in albino wistar rats.
Ujowundu Onyekachi Cosmas
2011
Biochemical and physical characterization of diesel oil contaminated soil in Southeastern Nigeria.
Ujowundu Onyekachi Cosmas
2011
Phytochemical composition and acute toxicity study on aqueous extract of Combretum dolichopentalum leaf in Swiss Albino mice.
Ujowundu Onyekachi Cosmas
2011
Salt iodization and thyroid function of pregnant women in early pregnancy in Owerri Southeast Nigeria.
Ujowundu Onyekachi Cosmas
2011
Biochemical changes in tissues of albino rats following subchronic exposure to crude oil.
Ujowundu Onyekachi Cosmas
2011
Synergism between season, pH, conductivity and total dissolved solids (TDS) of Imo river quality for agricultural irrigation.
Ujowundu Onyekachi Cosmas
2011
Biochemical studies on the amelioration of petroleum product intoxication with indigenous plants.
Ujowundu Onyekachi Cosmas
2011
Aqueous extract of Combretum dolichopentalum leaf-a potent inhibitor of carbon tetrachloride induced hepatotoxicity in rats.
Ujowundu Onyekachi Cosmas
2011
Phytochemical and chemical composition of Combretum zenkeri leaves.
Ujowundu Onyekachi Cosmas
2010
Assessment of current iodine status of pregnant women in a suburban area of Imo State, Nigeria twelve years after universal salt iodization.
Ujowundu Onyekachi Cosmas
2010
Hepatotoxicity of antiretroviral drugs in HIV seropositive Nigerian patients.
Ujowundu Onyekachi Cosmas
2010
Effects of potassium iodate application on the biomass and iodine concentration of selected indigenous Nigerian vegetables.
Ujowundu Onyekachi Cosmas
2010
Effect of petroleum hydrocarbon pollution on the nutritional value of ripe guava (Psidium guajava) fruits grown in Imo State, Nigeria.
Ujowundu Onyekachi Cosmas
2010
Evaluation of the chemical composition of Dacryodes edulis (G. Don) seeds.
Ujowundu Onyekachi Cosmas
2010
Thyroid function and urine iodine of pregnant women in Owerri, Nigeria.
Ujowundu Onyekachi Cosmas
2010
Evaluation of the chemical composition of Mucuna utilis leaves used in herbal medicine in Southeastern Nigeria.
Ujowundu Onyekachi Cosmas
2010
Iodine biofortification of selected plants using Potassium iodide.
Ujowundu Onyekachi Cosmas
2009
Nutritive and anti-nutritive properties of Boerhavia diffusa and Commelina nudiflora leaves.
Ujowundu Onyekachi Cosmas
2008
A comparative study of the antimicrobial properties of the ethanolic extracts of Landolphia owariensis leaf and root.
Ujowundu Onyekachi Cosmas
2008
Assessment of hepatic effects, phytochemical and proximate composition of phyllanthus amarus.
Ujowundu Onyekachi Cosmas
2007
Studies on the nutritional and phytochemical composition of Asystasis gangetica leaves.
Ujowundu Onyekachi Cosmas
2007
Studies on the nutritional and phytochemical composition of Amaranthus hybridus leaves.
Ujowundu Onyekachi Cosmas
2006