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Articles by S. Ibrahim
Total Records ( 4 ) for S. Ibrahim
  A.B. Sallau , G.C. Njoku , A.R. Olabisi , A.U. Wurochekke , A.A. Abdulkadir , Shehu Isah , M.S. Abubakar and S. Ibrahim
  Aqueous extract of Guiera senegalensis leaves was investigated for the inhibitory action on the activity of crude phospholipase and metalloprotease enzymes from Echis carinatus venom. Both enzymes were inhibited by the extract in a dose dependent fashion. Double reciprocal plots of the initial velocity data of the inhibition by the extract revealed a non-competitive pattern of inhibition for the metalloprotease and a competitive one for the phospholipase. Extrapolated Ki values were found to be 11.9 and 90 μg mL-1 for the metalloprotease and phospholipase, respectively.
  K.M. Anigo , D.A. Ameh , S. Ibrahim and S.S. Danbauchi
  Studies on microbiological concentration of commonly used local complementary foods in three states of North Western Nigeria were carried out. Total aerobic count in complementary foods from Kaduna state was greater than the 104 permissible limits. Unacceptable levels of Salmonella and Shigella were detected in some of the samples. Results also indicated the predominance of Staphylococcus sp. and fungi and molds, which showed that the levels of contamination of some of the samples are very high when compared to International Standards. Attention needs to be paid to the specific behaviours surrounding feeding and any constraints to care as important interventions in order to improve feeding practices in Northern Western Nigeria.
  F.S. Sanni , S. Ibrahim , K.A.N. Esievo and S. Sanni
  The anti-anaemic effect of Khaya senegalensis stem bark on phenylhydrazine-induced anaemia was carried out in rats. Induction of anaemia was conducted using phenylhydrazine hydrochloride at a dose of 750 mg kg-1 body weight. In vivo investigation showed that oral daily dose of 300 mg kg-1 body weight of the bark aqueous extract of K. senegalensis in rats administered simultaneously with the phenylhydrazine produced significant (p<0.05) anti-anaemic effect probably by protecting the red blood cells against destruction by phenylhydrazine. However, the same oral dose did not show any significant curative effect (p>0.05) after the induction of anaemia using phyenylhdrazine hydrochloride. The phytochemical screening of the aqueous extract of the stem bark of K. senegalensis indicate the presence of carbohydrate, saponin, glycosides and tannins. Also present are important mineral elements necessary for the development and functioning of the body. These include calcium, magnesium, zinc, iron, copper, potassium, and sodium. This study showed that Khaya senegalensis has an anti-anaemic effect.
  W. Brown , A.A. AbuGhazaleh and S. Ibrahim
  The objective of this study was to determine the effect of supplementing grazing dairy cows’ diet with Fish Oil (FO) and Linseed Oil (LSO) on milk Conjugated Linoleic Acid (CLA). Sixteen Holstein cows (170±19 DIM) were divided into 2 groups (n = 8 per treatment) and fed a basal diet (7.2 kg d 1; DM basis) consisting of corn, soybean meal, molasses, vitamin/mineral premix plus 800 g saturated animal fat (CONT) or a basal diet plus 200 g FO and 600 g LSO (FOLSO). All cows grazed together on Sudan grass pasture for ad libitum and fed the treatment diets for 3 weeks. Cows were milked twice a day and milk samples were collected during the last 3 days of the trial. Milk production (24.89 and 22.45 kg d 1), milk protein percentages (2.76 and 2.82) and milk protein yield (0.68 and 0.64 kg d 1) for the CONT and FOLSO diets, respectively, were not affected (p>0.05) by treatment diets. Milk fat percentages (3.90 and 2.86) and milk fat yields (0.97 and 0.64 kg d 1) were lower (p< 0.05) with the FOLSO diet compared with the CONT diet. The concentration and yield of milk cis-9 trans-11 CLA were higher (p< 0.05) with the FOLSO diet (2.56% of total FA and 16.44 g d 1, respectively) than the CONT diet (0.66% of total FA and 6.44 g d 1, respectively). The concentrations of milk trans C18:1 and Vaacenic Acid (VA) were higher (p< 0.05) with the FOLSO diet (36.99 and 7.48% of total FA, respectively) than the CONT diet (28.8 and 2.27% of total FA, respectively). In conclusion, supplementing grazing cows’ diet with FO and LSO increased milk cis-9 trans-11 CLA content but reduced milk fat content and yield.
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