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Articles by J.O. Babayemi
Total Records ( 5 ) for J.O. Babayemi
  J.O. Babayemi , G.O. Adewuyi , K.T. Dauda and A.A.A. Kayode
  Local production of ash-derived alkali was assessed in this review. Detailed information on local production of ash-derived alkali is rare in literature. Hence, the technologies, materials, probable criteria for selection of materials, processes, use, limitations, problems and areas needing further research in the local production of alkali were assessed. Visitation was made to some traditional alkali-producing factories as well as interaction with other local alkali producer. The traditional technology was found very interesting, while the corresponding laboratory set-up showed an improvement over the traditional one. Local production of potash-an impure form of ash-derived alkali, was observed to be a cheap alternative source of this much needed chemical used in the production of soap and other alkali-based products.
  D.O. Nwude , P.A.C. Okoye and J.O. Babayemi
  Pollution has become a global problem and the results are implied in high levels of contanminants reported for soil, water, air, plants and animals. Blood being a major medium of transfer of heavy metals into milk as indicated in several literatures, it is necessary to constantly assess the levels of these metals in cow tissues, cow being a major source of milk in several countries. Hence, blood levels of Pb, Cd, Co, Zn, Cu and Fe in cows at slaughter at Awka abattoir, Nigeria, at three different seasons, are assessed in this investigation. The blood samples were digested and analyzed with atomic absorption spectrophotometer. The blood levels of Pb range from 0.21-10.6 mg kg-1, Cd, 0.004-0.02 mg kg-1, Co, 0.10-0.97 mg kg-1, Zn, 2.32-12.4 mg kg-1, Cu, 0.04-2.00 mg kg-1 and Fe, 0.73-2.14 mg kg-1. There were significant correlations between the levels of Cd and Cu, Cd and Zn and Co and Zn.
  J.O. Babayemi , K.T. Dauda , D.O. Nwude and A.A.A. Kayode
  The composition and chemistry of ash and potash from various plant materials were assessed. Sequel to unavailability of vital information on the composition and chemistry of ash and potash is the production of potash of low quality, especially by local producers, as well as wrong determination or identification and quantification of components of potash in studying it for various purposes. In this review, both qualitative and quantitative chemistry of ash and potash as well as factors affecting them were evaluated; disparities in observations in previous studies were identified and clarified. The results indicated variable compositions, definite chemistry influenced by several factors and different ideas and observations of various researchers.
  D.O. Nwude , P.A.C. Okoye and J.O. Babayemi
  The increasing level of pollution in both aquatic and terrestrial environment with which some animals which form part of human diet are constantly in contact has been a global concern, minding the contamination of aquatic and terrestrial organisms especially in countries which are prone to severe environmental pollution due to the lack of appropriate waste management system and technologies. In Nigeria as well as several other countries, meat from cattle is the most common hence, the need to assess the level of heavy metals in cow muscle tissue. The levels of Pb, Cd, Co, Zn, Cu and Fe were determined in the muscle tissue of 15 cattle at slaughter during 3 different seasons. The samples were digested and analyzed with atomic absorption spectrophotometer. The values ranged from ND-14.80 mg kg-1 at the on-set of rainy season; 0.01-3.53 mg kg-1 at the peak of rainy season and 0.005-3.90 mg kg-1 during the dry season.
  D.O. Nwude , P.A.C. Okoye and J.O. Babayemi
  The investigation was carried out to assess the level of accumulation of heavy metals in the liver of cattle at slaughter during three different seasons: on-set of rainy season (April-July, 2004), peak of rainy season (July-October, 2004) and dry season (January-April, 2005), to identify the season of probable highest accumulation, the most and the least accumulated metals, which might give some clue to any variation in seasonal heavy metal pollution. Pollution is one of the major environmental problems requiring attention globally. As a result of this global problem, contaminations of various sources of food for humans have been reported. Possible markers of environmental pollution have been sought for a proper evaluation of pollutants level and monitoring. Pollutant metals of environmental concern, including lead, cadmium, zinc, cobalt, copper and iron were studied in this investigation. Liver samples were collected from cows at slaughter at Awka abattoir; the samples were digested with phosphoric acid and analyzed for the heavy metals using atomic absorption spectrophotometer, model Shimadzu AA-6800. During the three seasons, Zn was bioaccumulated most (3.00 B 14.40 mg kg-1), followed by Pb (0.09 B 7.32 mg kg-1 and the least being Cd (0.001 B 0.03 mg kg-1). Statistical analysis showed a good correlation between the levels of Pb and Co, Pb and Zn and between Co and Zn, implying that cattle liver accumulations of Pb and Co are functions of Co and/or Zn levels in the liver. It could also be inferred that heavy metal bioaccumulation by cattle is affected by season.
 
 
 
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