Evaluation of Anti-Ulcer Properties of the Stem-Bark Fractions of Khaya senegalensis (Desr.) A. Jussin Albino Rats

Mohammed M. Suleiman1,2, Ramatu Umar1,3, Hudu  G. Mika’il1,4, Abdullah M. Tauheed1*, Mohammed Mamman1
1Department of Veterinary Pharmacology and Toxicology, Faculty of Veterinary Medicine, Ahmadu Bello University, Zaria, Kaduna State, Nigeria.
2College of Agriculture and Animal Science, Mando, Ahmadu Bello University, Kaduna State, Nigeria.
3Federal Capital Territory Administration, Agriculture and Rural Development Secretariat, Kapital Road, Area 11, Gariki, Abuja.
4Department of Veterinary Pharmacology and Toxicology, Faculty of Veterinary Medicine, University of Abuja, Abuja, Nigeria.
Corresponding Author: mtauheed@abu.edu.ng; amtauheed40@gmail.com; Tel: +2348033190292
Recieved Date: February 19, 2019; Accepted Date: March 17, 2019; Published Date: 04 April 2019
Citation: Suleiman MM, Umar R, Mika’il HG, Tauheed AM, Mamman M. Evaluation of Anti-Ulcer Properties of the Stem-Bark Fractions of Khaya senegalensis (Desr.) A. Juss in Albino Rats. Trop J Nat Prod Res. 2019; 3(3):71-79. https://doi.org/10.26538/tjnpr/v3i3.2
Copyright: © 2019 Suleiman et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Ulcers are lesions in the mucosa of gastrointestinal tract, characterized by different stages of necrosis. Ulcer management has been challenging because of increasing antimicrobial resistance and indiscriminate use of complex antithrombotic therapy. Anti-ulcer activities of the fractions of the crude methanol extract of Khaya senegalensiswas evaluated against ethanol-induced gastric ulcer. The powdered bark of K. senegalensis was extracted using absolute methanol and the crude extract was serially partitioned with n-hexane and ethyl acetate. The aqueous methanol (AMF), hexane (HEF) and ethyl acetate (EAF) fractions of K. senegalensis were tested for acute toxicity and further evaluated for gastric anti-secretory, gastroprotective and antioxidant effects in rat. The EAF and AMF significantly (P < 0.05) decreased the concentration of gastric HCl at 400 and 800 mg/kg. All the fractions significantly lowered (P < 0.05) gastric ulcer indices when compared with the normal saline control group (NS). Furthermore, the fractions significantly (P < 0.05) increased the concentration of gastric mucus compared to NS. The AMF and EAF fractions significantly (P < 0.05) reduced the concentration of malondialdehyde in the gastric tissue relative to NSgroup. The three fractions (AMF, EAF and HEF) significantly (P < 0.05) increased the level of superoxide dismutase activity whencompared with NS. However, the activity of catalase was significantly (P < 0.05) decreased in the groups treated with AMF and EAF whencompared with the NS. Findings in this study strongly suggest that Khaya senegalensis has anti-ulcerative properties, which could be due to its antisecretory and antioxidant activities.

Keywords: Antioxidant activities, anti-ulcer, Gastric mucus, Khaya senegalensis, plant extract
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