Browsing by Author "Usman, M.A."
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Item Empirical assessment of environmental and health risks in intensive poultry production in Kwara State, Nigeria(Iranian Association of Agricultural Economic, 2017) Amolegbe, K.B.; Usman, M.A.; Animashaun, J.A.The study was designed to assess the environmental and health risks arising from intensive poultry production in Kwara State, Nigeria. A total of 120 poultry farmers in Kwara state under the Poultry Association of Nigeria (PAN) were selected randomly for the study, and structured questionnaires were administered. The data collected were analysed using descriptive statistics, the chi-square test, and linear regression. The study revealed that about 79.5% of the poultry farmers were literate, having completed at least tertiary education. In addition, the results showed that environmental and health issues were significant during production and processing. It was further revealed that the type of battery cage used, and educational level of the farmers were positively significant, while the year of establishment was negatively significant regarding the adoption practices. This implies that the higher the level of education, the more likely farmers are to adopt improved practices. Moreover, it was observed that most poultry farmers do not abide by environmental and public health laws and regulations; therefore, it is recommended that government should enforce strict supervisory agencies of the sanitation/health policies aiming at environmental preservation and protection.Item Isolation, characterization and anti-inflammatory activity of compounds from the Vernonia amygdalina.(Heliyon (Elsevier (Cell Press), Amsterdam, The Netherlands. ), 2024-04) Atolani, O.; Usman, M.A.; Adejumo, J.O.; Ayeni, A.E.; Ibukun, O.J.; Kola-Mustapha, A.T.; Njinga, N.S.; Quadri, L.A.; Ajani, E.O.; Amusa, T.O.; Bakare-Odunola, M.T.; Oladiji, A.T.; Alqahtani, A.; Mohamed, A.; Kambizi, L.Item Phytochemical and Antidiarrhea Activity of the Methanolic Extract of the Stem Bark of Lannea kerstingii Engl. and K. Krause (Anacardiaceae)(Scholars Research Library, 2013) Njinga, N.S.; Sule, M.I.; Pateh, U.U.; Hassan, H.S.; Usman, M.A.; Haruna, M.S.Lannea kerstingii Engl. and K. Krause is used in Nigeria and Northern Côte d’Ivoire for the management of diarrhea. Crude methanolic extract of stem bark of Lannea kerstingii was evaluated on isolated rabbit jejunum and castor oil-induced diarrhea model in rats. The methanolic extract of Lannea kerstingii (1, 10 and 100 mg/ml) produced a dose dependent transient contractile response followed by relaxation of isolated rabbit jejunum. In the castor oil-induced diarrhea model, 60.0% protections was produced by the extract. These results revealed that the methanolic extract of the stem bark of Lannea kerstingii (300 and 600 mg/Kg) have antidiarrhea activity. The effects on smooth muscle showed the usefulness of the Lannea kerstingii in the management of diarrhea. The effect of Lannea kerstingii was not as comparable to that of loperamide, a strong antidiarrhea drug, in castor oil induced diarrhea. This may partially explain the use in traditional medicine for the treatment of diarrhea. These results support their use in folk medicine.Item Phytochemical and Antimicrobial Activity of the Stem-Bark of Gardenia aqualla Stapf & Hutch. (Rubeacea)(AcademicJournals, 2014-07) Njinga, N.S.; Sule, M.I.; Pateh, U.U.; Hassan, H.S.; Usman, M.A.; Ache, R.N.; Bilkisu, A.Gardenia aqualla Stapf & Hutch (Rubeacea) is a plant belonging to the family Rubeacea. Preliminary phytochemistry carried out on the methanolic (ME) extract of the stem bark revealed the presence of steroid, carbohydrates, anthraquinones, saponins, triterpenes, tannins, cardiac glycoside and flavonoid while the petroleum ether (PE) extract of the stem bark revealed the presence of steroid, triterpenes and flavonoids. The PE extract and the ME were evaluated for antimicrobial screening using agar diffusion and broth dilution method on the following clinical isolates; Staphylococcus aureus, Enterococcus aerogenes, Escherichia coli, Salmonella typhi, Shigella dysenterea and the fungi Trichophytom rubrum, Candida albicans and Microsporan spp. Both extracts were active against S. aureus, E. aerogenes, E. coli, S. typhi and S. dysenteriae with minimum inhibitory concentration (MIC) between 3.13 and 6.25 mg/ml and 1.25 to 2.25 mg/ml for PE and ME extracts, respectively and minimum bactericidal concentration (MBC) ranged between 12.50 to 25.00 mg/ml and 2.50 to 5.00 mg/ml for PE and ME extracts, respectively. Both extracts showed no antifungal activity. The antibacterial activity of both extracts may be due to the presence of the secondary metabolites present. This study thus justifies the use of this plant in traditional medicine.