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Articles by S.J. Oniye
Total Records ( 6 ) for S.J. Oniye
  V.O. Ajibola , S.J. Oniye , C.E. Odeh , T. Olugbodi and U.G. Umeh
  The ability of Staphylococcus aureus, Bacteroides fragilis, Bacillus subtilis, Bacillus cereus, Clostridium perfringens, Escherichia coli and Peptostreptococcus spp. to reduce and stabilize textile effluents containing predominantly indigo blue was carried out. The primary objective was to reduce the colour of the effluent to an intensity that complies with the Environmental Protection Agency limits for discharge to surface water. Maximum color removal was achieved with anaerobic biodegradation during 45 days of incubation, while aerobic degradation took 90 days. It was found that Peptostreptococcus spp. among the anaerobes and E. coli among the aerobes ranked best among the bacteria strains used. In general however, aerobic microbes do not have the ability to substantially decolorize the textile effluent but the converse applies to anaerobic microbes. This result shows that the sequential use of both can completely decolorize effluents containing indigo dye.
  B.A. Anhwange , V.O. Ajibola and S.J. Oniye
  The seeds of Moringa oleifera Lam (family: Moringaceae) and Detarium microcarpum Guill and Sperr (family: Caesalpiniodeae) were analysed for nutritional and antinutritional contents and chemical properties of the oils extracted from the seeds were also determined. The concentrations (mg g-1) of the essential elements, potassium, calcium, magnesium, sodium, sulphur, phosphorus and iron were 77.4, 20.50, 1.19, 2.999, 3.75, 1.365 and 1.4, respectively for M. oleifera and 105.00, 23.0, 0.22, 2.36,16.25, 1.25 and 3.12 for D. microcarpum, respectively. Moringa oleifera contained higher amount of proteins and lipids (40.19 and 41.58%, respectively) than in D. microcarpum that contained 11.24 and 35.94% of protein and lipids, respectively. The amount of carbohydrate was highest in Detarium microcarpum (42.20%) than M. oleifera (9.11%). Moringa oleifera contained higher concentration of phytate (10.18 mg/100 g), hydrogen cyanide (0.58 mg/100 g) and saponin (2.052%) than D. microcarpum. The iodine values of the oils in M. oleifera and D. microcarpum were 59.48 and 58.02, respectively. Saponification values were in the range of 179-220.66. The acid value, free fatty acid and peroxide values were low (less than 9.0). The ester values of the oils ranged from 173.57-212.54. The high elemental composition, protein, lipid and carbohydrate contents of the seeds suggests that they could serve as supplementary sources of essential nutrients to man and livestock, provided the anti-nutritional content of the seeds are considerably reduced or eliminated.
  D.L. Mbinkar , A.U. Ezealor and S.J. Oniye
  The crop and gizzard contents of 105 Double-spurred Francolins (Francolinus bicalcaratus Linnaeus) shot in the wild by hunters in Zaria and its environs were examined. Thirty food-organisms (i.e., species or other taxa that served as food for the francolins) were isolated from the gut content of the birds. Brachiaria stigmatisata and Vigna ambacensis were the most frequent food-organisms, having been found in the guts of 64 (60.95%) of the birds. In terms of the number of individual food items consumed by the birds, Setaria pallide-fusca scored the highest with 9.873 (22.72%) of the isolated food items. Gravimetrically, Sorghum bicolor was the most significant food-organism, accounting for 27.50% of the bulk of food items consumed. These four food-organisms appeared to be the most important food components in the habitats of the Double-spurred Francolins. With respect to the plant species consumed by the birds, food habits did not differ significantly between sexes (p>0.05). However, female birds appeared to eat more animal materials than the males (p<0.05). The significance of these findings with regards to egg formation, incubation and chick brooding are discussed.
  D.A. Adebote , D.S. Abolude , S.J. Oniye , S.S. Olododo and M.M. Hassan
  Studies were conducted to evaluate the larvicidal and repellency efficacy of the seed oil of the tallow tree Detarium microcarpum (Guill. and Perr.) (Fam. Leguminosae: Caesalpinioideae) against late instar larvae of the larder beetle Dermestes lardarius Linnaeus, in dried Clarias gariepinus Teugels fish under laboratory conditions. Pure seed oil was applied on the dried fish at concentrations of 0.006-0.025 mL g-1 and a control, with 30 larder beetle larvae each maintained in triplicates for 24-96 h. The 0.006, 0.010, 0.014, 0.022 and 0.025 mL g-1 dosages on treated fish produced 53.33-70, 81.11-92.22, 80-87.78, 82.22-96.67 and 85.56-96.67% mortality of D. lardarius larvae after 24-96 h exposure, respectively. The seed oil also repelled 80-96.67% of the larvae from the treated fish within 24 h. Probit analysis of the bioassay data gave an LC50 value of 0.023 mL g-1 for the seed oil against D. lardarius larvae. The studies demonstrate a very high larvicidal and strong repellency of D. lardarius by D. microcarpum seed oil. These findings indicate a high potential of controlling and protecting dried fish from dermestid beetles infestation using the seed oil.
  S.J. Oniye , D.A. Adebote , S.K. Usman and J.K. Makpo
  Some aspects of the biology of Protopterus annectens (Owen) were studied using 176 specimens purchased from fishermen in Jachi dam, near Katsina, northern Nigeria, from August to October 2005. The fish length ranged from 19.30 to 39.60 cm while the weight ranged from 13.0 to 420 g. The regression coefficient (b) was 3.17, indicating positive allometric growth pattern. The mean condition factor (k) was 0.47, but individual k-values ranged from 0.20 to 0.73. The pectoral-pelvic fins` length relationships showed high proportionate growth rate (b = 0.99). The correlation coefficient (r) of pectoral and pelvic fins relationships with total length of fish was 0.64 and 0.73, respectively. Analysis of the gut content showed that the fish consumed more plant material (86.81%) than insects (7.24%), molluscs (4.97%) and fish remains (0.97%).
  B.A. Anhwange , V.O. Ajibola and S.J. Oniye
  The seeds of Moringa oleifera (Lam.) Detarium microcarpum (Guill and Perr) and Bauhinia monandra (Kurz.) were analysed for essential, essential trace and non-essential elements. Detarium microcarpum had high amount of potassium (105 mg gG ), sulphur (1.63 mg gG ) and iron (3.12 mg gG ), while B. monandra had high amount of calcium (77.9 mg gG) magnesium (2.87 mg gG ) and phosphorus (1.59 mg gG ) sodium concentration as highest (2.999 mg gG ) in M. oleifera. The concentration 1 1 of essential trace elements in the seeds varied, the iodine (5.42 mg gG ) was found to be 1 highest in D. microcarpum and the lowest was molybdenum (0.011 mg gG ) in M. oleifera. The concentration of the non-essential and rare earth elements (arsenic, lead, tin, nickel, bromine, vanadium, cobalt, rubidium, strontium, yttrium, zirconium, thallium and niobium) were found to be low (<0.70 mg gG ) in 1 the three seeds. The concentration of thallium was 1.10, 1.96 and 1.69 mg gG in M. oleifera, 1 D. microcarpum and B. monandra, respectively. The results indicate that the mineral contents of these wild plants are comparable with average values of common fruits and seeds. Therefore, they could serve as supplementary sources of mineral nutrients for man and livestock.
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