Background: For decades, the resident of Zuru emirate have used herbal medicine to treat liver-related diseases including jaundice. Therefore, the present study was designed to investigate and document the herbal medicine used for treating jaundice in Zuru emirate. Method: Oral interviews and questionnaire were used to document information on medicinal plants, medicinal practices, and demographic profiles of respondents. The medicinal plants that were mentioned were collected, identified, and assigned voucher numbers. The names were further authenticated using www.theplantlist.org and theworldfloraonline.org. Thereafter, the methanol stem bark extracts of three of the most frequently mentioned plants were subjected to in vitro bilirubin degradation assay. Result: A total of 46 TMPs Traditional medicine practitioners responded and cited 28 medicinal plants and medicinal practices used to treat jaundice. The most frequently mentioned plants were Erythrina senegalensis (19.6%) followed by Cochlospermum planchonii (13%), and Anogeissus leiocarpus (13%). The herbal remedies were prepared using different parts of the plants as boiled juice or powder and mostly taken as juice with pap or fresh raw cow milk. The in vitro bilirubin degradation assay revealed a time-dependent and dose-dependent bilirubin degradation by Anogeissus leiocarpus (63.05 %), Erythrina senegalensis (46.33%), and Cochlospermum planchonii (27.45%). Conclusion: The present findings revealed the medicinal plants that are used to treat jaundice and the potential jaundice ameliorative effect of these plants may involve bilirubin degradation. Future in vitro and in vivo mechanistic studies should investigate the jaundice ameliorative potency of these plants.
Aim: This research is aimed at assessing the antiulcer and antioxidant potential of Eucalyptus camaldulensis leaves methanol extract in albino rats. Methodology: Fresh leaves of Eucalyptus camaldulensis were harvested from the Department of Plant Science and Biotechnology, Kebbi State University of Science and Technology, Aliero. The dried pulverized leaves were extracted using Soxhlet apparatus with methanol as the solvent. Thirty male albino rats weighing between 200 g and 250 g were used in this study. The rats were randomly divided into six (6) groups of five (5) rats each. Antiulcer and antioxidant activity was evaluated using ethanol-induced ulcer model. Ulcer was induced in all groups except Group 1 which served as the control and received distilled water only. Group 2 was not treated while Group 3 was treated with omeprazole (50mg/kg). Groups 4, 5 and 6 were treated with 200mg/kg, 400mg/kg and 800mg/kg of the extract respectively. After seven days of treatment, the albino rats were humanely sacrificed, ulcer index determined and the serum assessed for antioxidants levels. Results: The gastric mucosal lesions produced in the untreated group were very visible and had an ulcer index of 12.83. Pre-treatment with omeprazole and graded doses of the extract showed significant reductions (P<.05) in ulcer index in a dose dependent manner. The SOD, CAT, GPx, GSH and MDA levels were significantly reduced (P<.05) in the untreated group with progressive reduction in the treated groups as the extract concentration reduced. The antioxidant vitamins (Vitamin A, C and E) reduced in concentration significantly (P<.05) without any significant difference between the untreated group and the groups that received 200mg/kg and 400mg/kg of the extract. Meanwhile, the group treated with 800mg/kg of the extract significantly increased (P<.05) the concentrations of these vitamins when compared to the group that received ethanol only. Conclusion: Eucalyptus camaldulensis leaves methanol extract possesses both antiulcer and antioxidant activity. This justifies the use of Eucalyptus camaldulensis leaves in traditional medicine in the management of ulcer and validates its antiulcer potential.
Aim: The aim is to evaluate the antioxidant potentials of Eucalyptus camaldulensis methanol stem bark extract (ECMSBE) on Wister albino rats. Methodology: The phytochemical screening of ECMSBE was conducted using standard methods. A total of 36 albino rats were used for the antioxidant studies. The rats were divided into six (6) groups of six rats. Control group received distilled water orally at 2ml/kg. Oxidative stress was induced in groups 2 to group 6 CCl4 (1ml/kg, s.c) at every 72hrs for 10 days. Group 2 was untreated while groups 3 – 6 received doses of 50, 100, 150 and 200mg/kg of ECMSBE respectively. On the 11th day, the rats were sacrificed and the liver was removed and homogenised and oxidative stress parameters were determined. Results: Phytochemical analysis of ECMSBE revealed the presence of saponins, flavonoids, tannins, phenols, glycosides, steroids, terpenoids and resins. There was no significant difference (P<.05) between the CCl4 induced group and the group treated with ECMSBE (50mg/kg). However, their concentrations were significantly different from the group treated with ECMSBE (100mg/kg – 200mg/kg) when compared to the group treated with CCl4 Only. The CCl4-induced group had its vitamin A, vitamin C and vitamin E concentrations significant different (P<.05) from the groups treated with ECMSBE (100, 150 and 200mg/kg body weight). There was no significant difference (P>.05) in the levels of SOD, CAT and GPx between the group induced with CCl4 only and the group treated with ECMSBE (50mg/kg), however, it these concentrations were significantly higher (P<.05). The enzymatic antioxidants concentration in the normal control group was not significantly different (P>.05) when compared the group that was treated with ECMSBE (200mg/kg) Conclusion: The result suggest that the extract of E. camaldulensis possessed antioxidant properties which can be used as effective protecting agents against oxidative stress and other diseases.
This study was undertaken to investigate the antimalarial activity of Indigofera tinctoria in Plasmodium berghei-infected rats. Phytochemical investigation was conducted using standard method to determine the presence of the bioactive compounds. The in vitro anti-malarial assay of Indigofera tinctoria was carried out in triplicates in 96 wells microliter plate. The in-vivo anti-malarial effect was assessed with group serving as the normal control, group two was left untreated, group three was treated with the standard drug wile group four, five and six were treated with 100mg/kg, 200mg/kg and 400mg/kg respectively. Indigofera tinctoria revealed the presence of saponins, tannins, flavonoids, alkaloids, cardiac glycosides, steroids and quinines. For in vitro studies, the drug treated group had the lowest parasite count with a percentage protection of 93.65% while the percentage protection of the group that received the highest dose of the extract had a percentage protection of 79.50%. At Day 3, the untreated group still had its parasite count significantly higher than that of the other groups, while the lowest percentage count was recorded in the drug treated group. For the in vivo studies, the parasite count of the group that received the highest dose of the extract was not significantly different from that of the group treated with the standard drug. The percentage inhibition of the drug control at Day 3 was 93.82 while that of the group that received the highest dose of the extract was 80.06%. The parasite count before treatment (Day 0) for the normal control was significantly different (P<0.05) from that of the other groups. At Day 1, the parasite count for the induced control was significantly (P<0.05) higher than that of the other groups. There was no significant difference (P>0.05) between the groups treated with the extract. At Day 6, the percentage inhibition for the drug control was 87.58%, while that of the extract treated groups were 39.98%, 57.86% and 76.48% respectively. At Day 9, there was not significantly difference between the normal control, the drug control and the group treated with the highest group of the extract. The potent antimalarial activity observed could be attributed to the presence of the secondary metabolites in Indigofera tinctoria leaves extracts.
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