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Articles by I.J. Alinnor
Total Records ( 3 ) for I.J. Alinnor
  I.J. Alinnor and I.A. Obiji
  This investigation surveyed heavy metal content of fish samples from Nworie river. The elements studied were Pb, Fe, Cd, Mn, Hg, Cu and Zn. The fish samples were collected from different locations in the river. The fish samples were analyzed for heavy metals using Atomic Absorption Spectrophotometer (AAS). The elemental toxicants Fe, Cd, Mn were identified in fresh fish specie Tilapia guineensis of mean values 3.275, 0.048 and 0.103 ppm, respectively, whereas Pb was below detection level. The analysis also shows Cu and Zn level of mean values 1.247 ppm and 3.241 ppm in Tilapia guineensis respectively. Also Hg was below detection level in Tilapia guineensis. The analysis of frozen fish samples purchased from Ekeonunwa market located 3 km from the river shows Pb, Fe and Cd levels of mean values 0.50, 4.73 and 0.05 ppm respectively. Also frozen fish analysis shows concentration of Mn, Hg, Cu and Zn of mean values 11.82, 0.0083, 8.00 and 1.02 ppm, respectively. There are three institutions that discharge untreated waste products into Nworie river. In view of this, there is need to determine the level of contamination of the river, since the inhabitants depend on the river for fishing and other domestic uses. This study is aimed at determining the level of heavy metal contaminants in fish samples from Nworie river. The effects of these elemental toxicants and the associated health hazards were examined.
  I.J. Alinnor and C.O. Akalezi
  Dioscorea rotundata (white yam) and Colocasia esculenta (white cocoyam) were analyzed for their proximate and mineral compositions. The result showed that Dioscorea rotundata has a moisture content 54.50%, ash content 1.4%, crude fat content 2.70%, crude protein content 0.087%, crude fibre content 0.70%, carbohydrate content 40.61%, available energy 731.75 kJ; while Colocasia esculenta has moisture content 38.50%, ash content 1.60%, crude fat content 1.05%, crude protein content 0.066% crude fibre content 1.0%, carbohydrate content 57.78%, available energy 1022.27 kJ. The mineral content of the analyzed samples showed that Dioscorea rotundata and Colocasia esculenta were rich in iron of values 81.85 mg/100 g and 59.07 mg/100 g respectively. The copper content of the samples were 10.06 mg/100 g and 6.72 mg/100 g for Dioscorea rotundata and Colocasia esculenta respectively.
  I.J. Alinnor and R. Oze
  Pentaclethra macrophylla benth (African oil bean) seeds were analyzed for their nutritive values. The result showed that Pentaclethra macrophylla seeds have moisture content 11.87%, ash content 2.95%, crude fat content 46.95%, crude protein content 20.95%, crude fibre content 2.50%, carbohydrate content 14.79%, available energy 2344.56 kJ. The mineral content of the analyzed samples showed that Pentaclethra macrophylla seeds were rich in iron of value 140.97 mg/100 g. The analysis indicates that potassium is the most abundant mineral. The high Ca/P ratio indicates that Pentaclethra macrophylla is a very good food source.
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