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Articles by Esther U. Ikhuoria
Total Records ( 2 ) for Esther U. Ikhuoria
  Esther U. Ikhuoria , Anthony E. Aiwonegbe , Peace Okoli and Macdonald Idu
  The African oil bean (Pentaclethra macrophylla) seed was analyzed for its proximate composition. The seed oil was also analyzed for mineral content and physicochemical characteristics. Proximate analysis revealed that the percentage crude protein, crude fibre, moisture and carbohydrate were 9.31, 21.66, 39.05 and 38.95%, respectively. The percentage oil content was 47.90% while the ash content was 3.27%. Results of minerals analysis showed that calcium had the highest concentration of all the elements analyzed and were found to be of the order: Ca > Mg > Pb > Fe > Mn > P > Cu. The low iodine value of the seed oil showed that it can be classified as non-drying oil and thus not suitable for paint and polish production. However, the low acid and free fatty acid values suggest its utilization as edible oil.
  Anthony E. Aiwonegbe and Esther U. Ikhuoria
  Heavy metal content of twelve vegetable samples procured from local markets in Benin and Lagos cities is estimated by wet digestion and atomic absorption spectrophotometry. The metals include Fe, As, Pb, Hg, Cd, Cr, Zn and Ni. The results obtained from the study revealed that Fe has the highest concentration in all the vegetable samples with values ranging from 1.040-13.97 μg g-1. Hg was found to be below detection limit in all the samples. The levels of the various heavy metals in the vegetable samples studied were found to be in the order: Fe > Zn> As> Ni> Cd> Cr> Pb> Hg. The overall heavy metal levels in most of the vegetables analysed fell under safe range of concentration with few exceptions.
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