Journal
ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY
Volume 37, Issue 3, Pages 907-915Publisher
ELSEVIER
DOI: 10.1016/j.etap.2014.03.006
Keywords
Citrus x aurantium var. bigaradia; Hesperidin; Neohesperidin; LC-ESI/MS; Gastric ulcer
Funding
- University of Zagazig [5K2/M4]
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Hesperidin and neohesperidin are the major flavanones isolated from bittersweet orange. It was recently reported that they have potent anti-inflammatory effects in various inflammatory models. In the present study, the effects of hesperidin and neohesperidin on indomethacin-induced ulcers in rats and the underlying mechanisms were investigated. Gastric ulcers were induced in rats with a single dose of indomethacin. The effects of pretreatment with hesperidin and neohesperidin were assessed in comparison with omeprazole as reference standard. Ulcer index, gene expression of gastric cyclooxygenase-2 (COX-2), tumor necrosis factor alpha (TNF-alpha), lipid peroxidation product, malondialdhyde (MDA), and reduced glutathione (GSH) content in stomach were measured. Furthermore, gross and histopathological examination was performed. Our results indicated that both hesperidin and neohesperidin significantly aggravated gastric damage caused by indomethacin administration as evidenced by increased ulcer index and histopathological changes of stomach. (C) 2014 Elsevier B.V. All rights reserved.
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