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Articles by J.M. Okuo
Total Records ( 2 ) for J.M. Okuo
  F.I. Eruyogho , J.M. Okuo and C.L. Ndiokwere
  Fifty eight samples of scalp hair were collected from donors of different trades in fourteen locations in Benin City and its environs and analyzed for Pb, Ni, V, Cr, Cd and Zn by atomic absorption spectroscopic method. The results obtained were subjected to data analysis such as factor analysis, correlation coefficient matrix and cluster analysis in order to determine the contributing sources and the behaviour of these metals. The highest mean levels of 8.60, 0.95 and 5.53 μg g-1 were obtained for Pb, Ni and Zn from donors: Traffic wardens, Battery chargers and Vulcanizers, respectively. For the control mean levels of 0.44, 0.05 and 0.20 μg g-1 were also determined for Pb, Ni and Zn for the non exposed persons in the same age group as the traffic wardens and small- scale entrepreneurs. Two factors were identified as source contribution from the result of factor analysis and this was in agreement with the cluster analysis and correlation coefficient matrix for both the locations and the metals. There was a significant effect of vehicular emission, industrial or commercial activities in the result obtained from donors in Benin metropolis than that of the controls, but no correlation between the levels of these metals and ages of the donors was established.
  J.O. Ogundele , T.A. Sanni , A.A. Oshodi , J.M. Okuo and I.A. Amoo
  Protein isolates of Citrullus colocynthis, Citrullus vulgaris, Lageneria siceraria I (African Wine Kettle gourd), Lagenaria siceraria II (Basket Ball gourd) and Lageneria siceraria III (Bushel Giant Gourd) melon seeds were prepared using sodium sulphite extraction followed by precipitation at the isoelectric points of the seeds. Proximate composition of the isolates were determined using standard methods. Protein contents (%) of the protein isolates are relatively high, with values: 89.04, 89.44, 93.96, 90.42 and 90.63 (%) for Citrullus colocynthis, Citrullus vulgaris, Lageneria siceraria I, Lagenaria siceraria II and Lageneria siceraria III melon seeds protein isolates, respectively. The fat, fibre and carbohydrate contents of the protein isolates are however, relatively low.
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