Osogbo, Nigeria
Osogbo, Nigeria

Fountain University is in Oke Osun after the Osun Osogbo sacred grove in Osogbo, Nigeria. It was established by the Nasrul-lahi-li fathi Society of Nigeria in 2008. It is a privately owned Islamic faith-based university in Osun State. Presently, the university has two colleges: College of Natural and Applied science and College of Management and Social science. Colleges of Art, Engineering and Education are being proposed. Wikipedia.


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Salisu A.A.,University of Ibadan | Fasanya I.O.,Fountain University
Energy Policy | Year: 2013

In this paper, we provide two main innovations: (i) we analyze oil prices of two prominent markets namely West Texas Intermediate (WTI) and Brent using the two recently developed tests by Narayan and Popp (2010) and Liu and Narayan, 2010 both of which allow for two structural breaks in the data series; and (ii) the latter method is modified to include both symmetric and asymmetric volatility models. We identify two structural breaks that occur in 1990 and 2008 which coincidentally correspond to the Iraqi/Kuwait conflict and the global financial crisis, respectively. We find evidence of persistence and leverage effects in the oil price volatility. While further extensions can be pursued, the consideration of asymmetric effects as well as structural breaks should not be jettisoned when modelling oil price volatility. © 2012.


Olajire A.A.,Ladoke Akintola University of Technology | Azeez L.,Fountain University
Chemistry and Ecology | Year: 2014

Concentrations of volatile organic compounds (VOCs) of the city air in Oba Akran road, Lagos were investigated. The chlorinated VOCs and xylene in Oba Akran were high. The average benzene/toluene ratio in Oba Akran was 1.7 suggesting that vehicular emission was a possible VOC source in most areas of Oba Akran. The toluene/(m+p-xylene) ratio also suggests a common source of toluene and xylene at these sites, presumably organic solvent used by industries located at Oba Akran. Our results showed that 7.10 tons of CO 2 equivalents of VOCs are being emitted per year from Oba Akran. Xylenes were found to be the largest contributor to the ozone formation followed by trichloroethylene. A multivariate statistical analysis (Factor analysis extracted with Principal Component Analysis) has been applied to a set of data, and it was found that the main principal components, extracted from the air VOC pollution data, were related to gasoline and oil combustion/industrial activities. © 2013 Taylor & Francis.


Salisu A.A.,Abeokuta Federal University of Agriculture | Salisu A.A.,University of Ibadan | Ayinde T.O.,Fountain University
Renewable and Sustainable Energy Reviews | Year: 2016

The proliferation of papers on energy demand modeling has offered different dimensions both in terms of methodology and estimation. While this development has strengthened our understanding of the subject, it may render the identification of gaps in the literature arduous for future research. Thus, this study sets out to document some emerging issues that seem to have engendered new directions on energy demand modeling ranging from asymmetric price responses, time varying demand parameters, triangulation analyses to seasonal and climate change effects. It is hoped that access to this review complemented with the previous ones will facilitate the comprehension of the extant literature as well as areas of future research in energy demand modeling. © 2015 Elsevier Ltd.


Salisu A.A.,University of Ibadan | Fasanya I.O.,Fountain University
International Journal of Energy Economics and Policy | Year: 2012

In this paper, we compare the performance of volatility models for oil price using daily returns of WTI. The innovations of this paper are in two folds: (i) we analyse the oil price across three sub samples namely period before, during and after the global financial crisis, (ii) we also analyse the comparative performance of both symmetric and asymmetric volatility models for the oil price. We find that oil price was most volatile during the global financial crises compared to other sub samples. Based on the appropriate model selection criteria, the asymmetric GARCH models appear superior to the symmetric ones in dealing with oil price volatility. This finding indicates evidence of leverage effects in the oil market and ignoring these effects in oil price modelling will lead to serious biases and misleading results.


Oloyede O.B.,University Of Ilorin | Ajiboye T.O.,Al-Hikmah University | Abdussalam A.F.,Fountain University | Adeleye A.O.,Fountain University
Journal of Ethnopharmacology | Year: 2014

Ethnopharmacological relevance Blighia sapida leaves are used in the management of diabetes in Nigeria. Thus the antidiabetic activity of methanolic Blighia sapida leaf extract and its capability to halt oxidative stress and dyslipidemia in alloxan-induced diabetic rats were investigated.Methods In vitro antioxidant activity of the extract (0.2-1.0 mg/mL) was investigated using 2,2-diphenyl-1-1picrylhydrazyl (DPPH) radical, superoxide ion, hydrogen peroxide, and hydroxyl radical and ferric ion reducing system. Antidiabetic was evaluated in alloxan-induced diabetic rats.Results The methanolic extract of Blighia sapida leaves at 1.0 mg/mL scavenged DPPH, superoxide ion, hydrogen peroxide, and hydroxyl radical at 80.34%, 57.39%, 72.36% and 77.0% respectively, while ferric ion was significantly reduced. Single oral dose of the extract significantly reduced blood glucose level in a dose dependent manner with highest dose producing 18.6% reduction after 240 min. Similar reduction was produced after 28 days of extract administration with the highest dose producing 65.65% reduction which compared significantly (P<0.05) with the control group and glibenclamide treated groups. Alloxan-induced diabetic mediated alterations in liver and serum cholesterol, triacylglycerides, high-density lipoprotein cholesterol (HDLc), low density lipoprotein (LDL) cholesterol and very low-density lipoprotein cholesterol (VLDLc) were significantly (P<0.05) restored by the extract. Methanolic extract of Blighia sapida leaves significantly attenuated the decrease in the activities of reactive oxygen species detoxifying enzymes (superoxide dismutase, catalase, glutathione peroxidase, glutathione reductase and glucose 6-phosphate dehydrogenase) in the liver and pancreas of alloxan-induced diabetic rats. Elevation in the concentrations of malondialdehyde, conjugated dienes, lipid hydroperoxides, protein carbonyl, and fragmented DNA was significantly (P<0.05) lowered by Blighia sapida leaves extract.Conclusion Overall, methanolic extract of Blighia sapida leaves at all doses used reduced blood glucose level and prevented oxidative stress and dyslipidemia in alloxan-induced diabetic rats. © 2014 Elsevier Ireland Ltd. All rights reserved.


Ajiboye T.O.,Al-Hikmah University | Ajiboye T.O.,Fountain University | Raji H.O.,Fountain University | Muritala H.F.,University Of Ilorin | And 2 more authors.
Food Bioscience | Year: 2013

The capability of anthocyanins extract of Lannea microcarpa fruits to scavenge reactive oxygen species and stall aflatoxin B1-mediated oxidative rout on cellular proteins, lipids and DNA was investigated. Reactive oxygen species (ROS) scavenging potentials of the anthocyanins extract of Lannea microcarpa fruits (0.2-1.0 mg/mL) was investigated using 2,2-diphenyl-1- picrylhydrazyl (DPPH) radical, superoxide ion, hydrogen peroxide, hydroxyl radical and ferric ion reducing system. Anthocyanins extract at 1.0 mg/mL scavenged DPPH, superoxide ion, hydrogen peroxide, and hydroxyl radical by 91%, 88%, 90% and 83%, respectively, it also reduced ferric ion significantly. The specific activities of reactive oxygen species detoxifying enzymes (superoxide dismutase, catalase, glutathione peroxidase, glutathione reductase and glucose 6-phosphate dehydrogenase) were significantly (P<0.05) induced by Lannea microcarpa fruits anthocyanins. These inductions significantly (P<0.05) attenuated the aflatoxin B1-mediated decrease in reactive oxygen species detoxifying enzymes and compared favorably with Vitamin C. Aflatoxin B1-mediated elevation in the concentrations of conjugated dienes, lipid hydroperoxides, malondialdehyde, protein carbonyl and fragmented DNA were significantly (P<0.05) lowered by Lannea microcarpa fruits anthocyanins. Overall, the results of this study show that Lannea microcarpa fruits anthocyanins possesses antioxidant properties and halted aflatoxin B 1-mediated oxidative rout on cellular proteins, lipids and DNA. © 2013 Elsevier Ltd.


Bello O.B.,Fountain University | Abdulmaliq S.Y.,Ibrahim Badamasi Babangida University | Afolabi M.S.,University Of Ilorin | Ige S.A.,University Of Ilorin
African Journal of Biotechnology | Year: 2010

A two-year study was conducted on maize (Zea mays L.) at the University of Ilorin Teaching and Research Farm Ilorin, Nigeria, during 2005 and 2006 growing seasons. The objective was to investigate correlation between grain yield and other agronomic parameters using 10 open-pollinated maize varieties and their 45 F1 hybrids in a half diallel. Positive and significant phenotypic and genotypic correlations were found for days to 50% tasselling with plant and ear height, and grain yield with plant height, number of grains ear-1 and ear weight. Positive and significant environmental correlation was also recorded for grain yield with plant and ear height, and ear weight. The path analysis revealed that, days to 50% silking, ear weight and number of grains ear-1 had the highest direct effect on grain yield, while number of grains ear-1 had the highest moderate indirect negative effects on grain yield. Days to flowering, plant and ear height, number of grains ear-1 and ear weight could be the important selection criteria in improving open pollinated maize varieties and hybrids for high grain yield. © 2010 Academic Journals.


Salau A.,Fountain University | Yakubu M.,University Of Ilorin | Oladiji A.,University Of Ilorin
Indian Journal of Pharmacology | Year: 2013

Objectives: Folkloric claims on the use of a mixture of Anogeissus leiocarpus and Terminalia avicennioides root barks in tumor management exist without scientific evidence. This study aimed at investigating the phytochemical constituents and in vitro antiproliferative activity of these plants and their mixture. Materials and Methods: Phytochemical screening was carried out on the aqueous extracts after which various concentrations (0 to 1 000 μg/ml) were incubated with Ehrlich ascites carcinoma cell lines for 3 and 24 hours. Results: The extracts contained alkaloids, tannins, flavonoids, phenolics, saponins, phlobatannins, and terpenes. The separate extracts and their 1:1 mixture significantly (P<0.05) decreased the computed percentage viability of the cell lines in a dose- and time-dependent manner. Conclusions: The antiproliferative activity may be due to the presence of the bioactive compounds in the extracts and has a potential in the management of tumor.


Nurudeen Q.O.,University Of Ilorin | Ajiboye T.O.,Fountain University
Asian Pacific Journal of Reproduction | Year: 2012

Objective: This study aimed to investigate the effects of aqueous root extract of Lecaniodiscus cupanioides (. L. cupanioides) on the alterations in the testicular parameters of paroxetine-treated rats. Methods: Group A rats which is the control received distilled water orally for 5 d. Groups B, C, D, E and F consisted of paroxetine-induced sexual dysfunction rats. In addition, Groups C, D, E and F rats were orally treated with 25, 50 and 100 mg/kg body weight of the extract and 7.14 mg/kg body weight of PowMax once daily for 5 d respectively. Results: Paroxetine-induced sexual dysfunction resulted into significant (. P<0.05) reduction in the levels of testicular protein, sialic acid, glycogen and cholesterols. These decrease were dose dependently reversed by aqueous root extract of L. cupanioides. The decrease in the specific activities of acid and alkaline phosphatases, lactate dehydrogenase and gamma-glutamyl transferase in the testes of paroxetine-treated rats were significantly (. P<0.05) reversed. Testicular testosterone level decreased significantly (. P<0.05) in sexually impaired rats. This decrease was significantly prevented by aqueous root extract of L. cupanioides. All these alterations brought about by the administration of the extract (25 and 50 mg/kg body weight) compared significantly (. P<0.05) with the reference drug, while the 100 mg/kg body weight of the extract compared significantly (. P<0.05) with the control. Conclusions: The results of this study showed that aqueous root extract of L. cupanioides restored the alterations in the testicular function parameters of sexually impaired rats. Thus supporting the use of the plants in the management of sexual dysfunction in the folkloric medicine of Nigeria. © 2012 Hainan Medical College.


Oloyede H.O.B.,Fountain University | Oloyede H.O.B.,University Of Ilorin | Ajiboye T.O.,Fountain University | Komolafe Y.O.,Fountain University | Salau A.K.,Fountain University
Food Bioscience | Year: 2013

Polyphenolic extract of Blighia sapida arilli was evaluated for reactive oxygen species (ROS) scavenging and detoxification potentials in rat microsomes. ROS scavenging potentials of the polyphenolic extract of B. sapida (0.2-1.0 mg/mL) was investigated using DPPH radical, superoxide anion radical, hydrogen peroxide, hydroxyl radical and ferric ion reducing system. The detoxification of ROS was evaluated in N-nitrosodiethylamine-induced redox imbalance in rat microsomes. B. sapida polyphenolic extract (1.0 mg/mL) scavenged DPPH, superoxide anion radical, hydrogen peroxide, and hydroxyl radical by 60, 67, 63, and 57%, respectively, while ferric ion was significantly reduced. N-nitrosodiethylamine-mediated decrease in the activities of ROS detoxifying enzymes was significantly (P<0.05) attenuated. N-nitrosodiethylamine-mediated elevation in the concentrations of oxidative stress biomarkers: malondialdehyde, conjugated dienes, lipid hydroperoxides, protein carbonyl and percentage DNA fragmentation were significantly (P<0.05) lowered by B. sapida polyphenolic extract. Overall, the polyphenolic extract of B. sapida arilli elicited ROS scavenging and detoxification potentials and prevented lipid peroxidation, protein oxidation and DNA fragmentation. © 2013 Elsevier Ltd. All rights reserved.

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