Browsing by Author "Alhassan, A J"
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Item Effects of Aqueous Extract of Some Selected Vegetables on Halofantrine Hepato-cardiatoxicity in Rats.(2014-06) Alhassan, A J; Sule, M S; Wudil, A M; Lawan, UAim: The protective effect of some selected vegetables {Moringa (Moringa oleifera), Cabbage (Brassica oleracea) and Tomato (Solanum lycopersicum)} against hepatocardio toxicity of halofantrine (an antimalarial drug) was evaluated in 72 albino rats. Study Design: The rats were grouped into eight of nine rats each. Three different doses; 7.1, 14.2 and 21.3mg/Kg of halofantrine were given to group II, III and IV respectively. Group V was co-administered with halofantrine and moringa extract 7.1 and 0.20mg/Kg respectively, Group VI co-administered with halofantrine and cabbage extract 7.1 and 0.10mg/Kg respectively, Group VII co-administered with halofantrine and Tomato extract 7.1 and 0.20mg/Kg respectively and Group VIII co-administered with halofantrine, moringa, cabbage and tomato extracts 7.1, 0.20, 0.10 and 0.20mg/Kg respectively). Group I was neither given the drug nor the vegetable extract serving as normal control. Methodology: The liver and heart function indices were evaluated using standard methods. Results: Serum liver enzymes, heart marker enzymes and concentration of malondialdehyde (MDA) were analyzed after 16, 96 and 192 hours of oral administration. Halofantrine administration caused significant increase (p<0.05) in the activities of all the enzymes with a peak at the 16th hour. Malondialdehyde had a peak at the 192 hours. The oral co-administration of vegetables extract showed a significant decrease (p<0.05) in the enzyme activities and concentration of malondialdehyde as compared sole administration of halofantrine. The result showed that Moringa, Cabbage and Tomato may have hepato and cardio protective effects against halofantrine toxicity. It may be concluded that consumption of vegetables may be beyond the nutritional needs but also for protective purposes.Item Toxicity Study of Ricinus cummunis Lnn Seed Suspension in Female Wister Albino Rats.(2015) Muhammad, B Y; Alhassan, A J; Jaafaru, I JRicinus communis seed has been proven effective to prevent conception since time immemorial. This research focuses on the toxicity study of the seed suspension in Wister albino rats. Twenty four (24) rats were used for the sub-chronic toxicity study, while 13 mice for the acute toxicity study. The seed suspension of Ricinus communis seed at three graded concentrations (3.80, 7.60 and 11.40 mg/kg body weight) was administered orally; to Groups I, II and III respectively once every day for the period of one month. The liver and kidney functions were determined after the last administration. Serum alanine amino transferase (ALT), aspartate aminotransferase (AST), alkaline phosphatase (ALP), urea and creatinine were determined. The activity of ALT, AST, ALP and the concentrations of urea and creatinine at 3.80 mg/kg body weight showed no significant difference (p>0.05) compared to the control. However, a significant increase (p<0.05) in these parameters was observed in rats given 7.60 and 11.40 mg/kg body weight. Similarly a significant increase (p<0.05) in lipid profile was observed in rats given 11.40 mg/kg body weight. Acute toxicity revealed the median lethal dose (LD50) of 1587 mg. Histological analysis of the liver and kidneys of the rats after three months revealed no cellular death, necrosis or inflammation. This indicates that consecutive use of the seed at the traditional dose (3.80 mg/kg in rat; equivalent to 3 seed/70Kg in human) for long period of time is neither hepatotoxic nor nephrotoxic. Ricinus communis seed is therefore safe in rats at the concentrations administered.