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Articles by F.O. Abulude
Total Records ( 10 ) for F.O. Abulude
  F.O. Abulude , O.O. Fapohunda and B.E. Awanlemhen
  Trace heavy metals (Cd, Zn, Ni, Cu, Pb and Co) were determined in Penaeus notalis, Macrobrachium vollenhovenii, Palaenon sp. and Procambaris clarkii obtained from coastal water of Ondo State, Nigeria using atomic absorption spectrophotometry. Co and Ni were higher in the water sample than in the prawn samples, while Pb and Zn were the most abundant metals in Palaenon sp. than other samples. Cd was not detected in all the samples. The highest correlation was found between Ni and Pb. Pb and Zn showed the highest levels of bioconcentration factor of 1.27, respectively in P. sp. The physical parameters of the water in sample were within the recommended standards for aquaculture. Concentrations of metals in the sample were found to be low and the levels do not pose a health hazard for consumers. Regular monitoring of the costal water is recommended.
  F.O. Abulude , O.S. Eluyode and A.T. Jegede
  This study is part of an investigation into the possible environmental contamination resulting from the traffic congestion in Nigeria. The aim of this study was to quantify the levels of some heavy metals in goats urine samples. Samples were collected from different location (Expressway, Araromi way, Federal College of Agriculture, Akure Campus and Irun Akoko), wet digested and analyzed with atomic absorption spectrophotometer. The mean Pb level (3.8 mg L-1 ) of Araromi way was higher than those recorded for other locations. Pb/Zn ratio of Araromi way and expressway was higher than the others. Young goats were found to have higher levels of metals than the mature ones. It then denotes that these areas are polluted by the high traffic congestion. Although analytical results revealed that the metals were below safety limits, however, it is suggested that the areas be regularly monitored to avoid traffic pollution.
  F.O. Abulude
  Sawdust particulate matter collected from different parts of Akure metropolis, Nigeria were analyzed for heavy metals using flame atomic absorption spectrophotometry. Particulate samples were collected between May and December 2004 gravimetrically. Total suspended particulate (TSP) concentrations were between 2.28-11.74g/m3 (dry season) and 1.66-9.10g/m3 (wet season). During both seasons, Pb, Mn and Zn were enriched in the samples. Pb/Zn ratio was generally highest in the highways it varied thus: 1.92-2.48 (wet season) and 1.96-2.27 (dry season). There were significant variations and correlations for interaction of seasons and distance for all the locations. From the results there is a great need to discourage the citing of residential areas near sawmills, this is just to minimize the hazardous effects on public health.
  F.O. Abulude , O.O. Fapohunda and B.E. Awanlemhen
  Macro mineral contents of calcium, magnesium, sodium, potassium and phosphorus were determined in four prawns: Procambis clarkii, Palaenon sp. Macrobrachim vollen hovenii and Penaeus notalis from the coastal water of Ondo State, Nigeria using standard methods of analysis. The mineral levels ranged as follows (mgL-1): Mg 330-525, Na 165-189, K 176-200, Ca 534-823 and P 210-315. Low variabilities were recorded for all the mineral ratios. There was evidence of mineral bioconcentrations in all the samples. All the prawn samples were good sources of dietary mineral.
  F.O. Abulude , L.O. Lawal and A.O. Kayode
  Raw, boiled, germination and toasted flours from millet (Eleusine coracana) seeds were analyzed for functional properties. The raw sample contained 8% least, gelation, 750% water absorption, 142% oil absorption, 10% foaming capacities, 14cm oil emulsion and 5cm foaming stabilities which collapsed after 15 3 3 min. Boiling improved water absorption, oil absorption, least gelation capacities and oil emulsion stability. Germination and toasting significantly reduced the functional properties. The raw and boiled samples may be useful in some food formulations.
  F.O. Abulude , O.O. Oyeneye , A.O. Elemide , O.O. Okunola and B.F. Alaja
  Juice samples were extracted from tomatoes, orange and pineapple fruits by using hand squeezing method (control) and a manual juice extractor constructed at Department of Agricultural Engineering, Federal College of Agriculture, Akure, Nigeria. The samples were subjected to metal contents, physico-chemical and organoleptic tests using standard methods of analyses. From the results, it was observed that metal contents in the control (As, 10 to 20 mg L-1; Zn, 2.4 to 7.1 mg L-1 and Fe, 3.4 to 6.7 mg L-1) were higher than the test (As, ND to 10 mg L-1; Zn 1.2 to 2.8 mg L-1 and Fe, 2.5 to 3.4 mg L-1), which may be due to heat reaction and contaminations from anti- rust paint and the grease used in the juice extractor. Al was not detected. The overall acceptability of the control was higher than the test. It is recommended that juice samples should be fortified with additives after extraction or during storage to replace loss nutrients and stainless steel should be used for the fabrication.
  V.O. Onibon , F.O. Abulude and L.O. Lawal
  Studies were carried out on fresh fruits of banana (Musa esculentum), apple (Eugenia malascensis), guava (Psidium guajava), pawpaw (carica papaya), sweet orange (Citrus sinensis) to determine the nutritional and antinutritional composition in them. Chemical analysis of the extracts of the fruits revealed that moisture was 70.59 g 100 g 1 DM in apple, to 91.28 g 100 g 1 DM in sweet orange; ash content varied from 0.25 g 100 g 1 DM in apple to 0.29 g 100 g 1 DM in guava and dry matter was as low as 8.72 g 100 g 1 DM in sweet orange to as high as 29.41 g 100 g 1 DM in apple. Elemental analysis of minerals gave the range of concentrations as Ca 0.016-29.64 mg g 1, Mg: 0.050-28.24 mg g 1, K:27.12-398.56 mg g 1, Zn:0.01-22.09 mg g 1 and Fe:0.19-13.04 mg g 1. Potassium was found to be the most abundant while Iron was least. Tannin contents of the fruits ranged between 3.40-48.16 mg 100 g 1. Phytate contents were between 2.88-10.71 mg 100 g 1, while the oxalate contents ranged between 1.89-4.50 mg 100 g 1 dry matter. The result showed that the fruits have safe and adequate dietary nutrients if consumed in right proportion and the antinutrients compositions are within tolerable level.
  F.O. Abulude and H. Adebusoye
  The physico-chemical properties of soils and trace metal contents of plants around ten sites of cassava processing factories in Akure, Nigeria were determined using standard methods of analyses. The results revealed that there were no significant differences (p = 0.05) in the soil compositions between the control and the test locations. The soils in the vicinities were sandy in texture, slightly acidic and have low organic matter. Concentrations of Fe and Zn were relatively high (>200 mg kg 1) in the soil samples. High transfer factors were obtained for the vegetables. There were high variations in metals of plants in test and control areas. This was depicted with coefficient of variations (%) between 10.10 and 42.04. Trace heavy metals concentrations of the test samples exceeded those of the control area.
  F.O. Abulude , A.O. Elemide , M.O. Ogunkoya and W.O. Adesanya
  A manually operated juice extractor was designed, constructed and evaluated 2005 at the Department of Agricultural Engineering, Federal college of Agriculture, Akure, Ondo State Nigeria. In Nigeria, fruit juices are obtained through hand pressing and electrically operated extractors. The hand pressing method is always tedious and time consuming. That of electrically operated is simple but the epileptic power supply is a limiting factor for its use. This manually operated juice extractor was designed and constructed to save time, improve efficiency, increase capacity and reduction in spoilage and waste. Performance evaluation was carried out with the production of orange and pineapple juices. The results showed that the machine produced efficiencies of 83.86 and 85.38% and extraction capacities recorded were 1.29 kg h 1 and 1.23 kg h 1 for orange and pineapple juices.
  F.O. Abulude , Y.S. Akinjagunla and A. Omoniyi
  Heavy metals contamination is of concern due to their effects as carcinogen. The objective of this study was to investigate the heavy metals in the blood of cows exposed to motor vehicle exhaust fumes and non-exposed controls. Thirty cows` blood samples were collected from three different locations (Expressway, Araromi way and Federal College of Agriculture, livestock section (FECA), wet digested and analyzed with atomic absorption spectrophotometer. The mean level in Araromi way cow`s blood was 2.85 mgL -1, which was significantly higher them the levels of 1.43 mgL -1 in expressway and 1.33 mgL -1 obtained in the control (FECA). However, results revealed significant difference (p<0.05) In the Co, As, Ni and Cr levels between the exposed and non-exposed cow`s blood samples. Highest correlations were found between Pb and Co. Blood variables were not affected by exposure to motor vehicle exhaust fumes.
 
 
 
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