Influence of low and high doses of capsicum extract on indomethacin induced gastric ulcer in rats
Egyptian Journal of Basic and Clinical Pharmacology(2021)
Abstract
Research Article Egyptian Journal of Basic and Clinical PharmacologyVol. 11 (2021), Article ID 101541, 8 pages doi:10.32527/2021/101541 Influence of Low and High Doses of Capsicum Extract on Indomethacin Induced Gastric Ulcer in Rats Omneya O. Galal1, Ahmed M. Fayez2, and Marwa E. Elsherbiny1 1 Department of Pharmacology and Toxicology, Faculty of Pharmacy, Ahram Canadian University (ACU), 12451, Egypt 2 Department of Pharmacology and Toxicology, Faculty of Pharmacy, October University for Modern Sciences and Arts (MSA), 12451, Egypt Received 06 July 2021; Accepted 8 September 2021 Editor: Rania Elsayed Abdelsalam Copyright © 2021 Omneya O. Galal et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Abstract Background: Capsicum (Caps) has always been used as food spice. Recently, it has shown benefits in peptic ulcer but effective dose range and mechanisms mediating its effect are not known. This work is aimedto evaluate the gastroprotective effect of a wide dose range of Caps, compared with ranitidine (Ran), against indomethacin (Indo)-induced ulcer. Methods: 42 female adult Wistar albino rats were allocated into seven groups: 1) control (Cnt), 2) Indo (25 mg/kg p.o.), groups 3-6 were given Caps at 200, 400, 800 and 1600 mg/kg, p.o. prophylactically for 6 days. The last group was given 100 mg/kg, p.o. Ran for 6 days. Blood samples were withdrawn for analysis of MDA, GSH, NO, and SOD and stomachs were dissected for histopathological examinations and measurement of TNF-α and IL-8. Results: Caps replenished GSH and SOD and reduced TNF-α, IL-8, MDA and NO. It also reduced mucosal focal ulceration, neutrophil infiltration, ulcer index in a dose dependent manner. Importantly, Caps ulcer-protective effects were equivalent to those of 100 mg/kg Ran at 800 and 1600 mg/kg with an ED50% of 350 mg/kg. Conclusion: Caps extract possesses a dose-dependent ulcer-protective effect that is equivalent to that of Ran at relatively high doses.
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Key words
gastric ulcer,capsicum extract,indomethacin
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