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Articles by J.E. Otoide
Total Records ( 2 ) for J.E. Otoide
  J. Kayode and J.E. Otoide
  Matured leaves of Newbouldia laevis were randomly collected from polluted and non-polluted habitats in two areas of Edo state. Microscopic examination of their epidermis revealed that the stomatal apertures in leaves from polluted habitats were closed while those from non-polluted habitats were opened. Also, epidermal cell aberrations and erosion were noticed in polluted specimens while the non-polluted specimens had normal tissue arrangements. Leaves from both populations were hypostomatic consisting of anisocytic stomatal type. The frequency of stomata for polluted and non-polluted samples was estimated to be 66.6 and 25.0%, respectively. Furthermore, the polluted population had an average leaf area of 54.98 cm2 while the non-polluted population had 126.36 cm2. It was suggested that foliar morphology of Newbouldia laevis could serve as a Phytometer to gauge the effects of air pollutants on the environment.
  K. Olanipekun Mary , J.E. Otoide , E. Adedeji , J.A. Amoo and D. Ayoola Olajumoke
  Background and Objective: The traditional use of plant in managing disease conditions by people has been found effective and diseases resistance. About 75-80% of the world population used herbal medicines for primary health care as against the conventional hypertensive drugs. This study was aimed to determine the phytochemical and antioxidant potential in some selected medicinal plants used to manage hypertension conditions. Materials and Methods: The seeds of Arachis hypogea, Piper guineense, Parkia biglobosa, rhizomes of Curcuma longa, Zingiber officinale, fruits of Tetracarpidium conophorum, Musa paradisiaca and the leaves of Tapinanthus begwensis plants were collected in various villages in Osun state. Then, sample processing and chemical group detection was carried out. Local people were interviewed with the aid of semi-structural questionnaires. The plants that were used traditionally for the management of hypertension were documented. Phytochemical screening and quantitative analysis of the plants were determined. Also, the antioxidant assay was carried out using the 2,2-Diphenyl-1-picrylhydrazyl (DPPH). Results: Alkaloids, saponins, tannins, phenol and flavonoids were relatively found present. Also, the antioxidant assay carried out using the 2,2-Diphenyl-1-picrylhydrazyl (DPPH) shown the percentage inhibition potential of the plants. Curcuma longa showed highest percentage inhibition while Arachis hypogaea has the least. Conclusion: The findings of phytochemical constituent and antioxidant potential of the selected medicinal plants supported their use for managing hypertension conditions.
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