Ulcer protective potential of standardized hesperidin, a citrus flavonoid isolated from citrus sinensis

  • Bigoniya P
  • Singh K
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Abstract

Free radicals play an important role in stomach ulcer formation. The present investigation validates the anti ulcer activity of hesperidin, isolated from Citrus sinensis (L.) Osbeck, Rutaceae, through the assessment of its antioxidant potential over stomach mucosal tissue by histological examination. Hesperidin was isolated from the dried peel of C. sinensis, and authenticated by TLC, IR and HPLC. The anti-ulcerogenic potential of this fruit was assessed using indomethacin and hypothermic restrain stress-induced ulceration models on rats at 150, 300 and 450 mg/kg dose orally. The parameters measured were gastric pH, volume, free and total acidity, ulcer index, and mucin, glutathione, super oxide dismutase, catalase and protein content. Hesperidin at 300 and 450 mg/kg dose showed significant (p < 0.01-0.001) increase in pH, decrease in acidity and ulcer index against indomethacin and hypothermic restrain stress, along with histological evidence of cytoprotection. Glutathione, super oxide dismutase, catalase and mucin levels increased significantly at 450 mg/kg (p < 0.05-0.001) after indomethacin ulceration, whereas hypothermic restrain stress only increased glutathione and mucin levels. Hesperidin prevents oxidative cell injury by significant rise of super oxide dismutase, glutathione and catalase levels in gastric mucosa. Hesperidin allowed the regeneration of ulcerated tissue, and prevented hemorrhagic injury of gastric mucosa. The potential anti-ulcer effect of hesperidin may be due to antioxidant, mucoprotective and cytoprotective activities. © 2014 Sociedade Brasileira de Farmacognosia. Published by Elsevier Editora Ltda. All rights reserved.

Author-supplied keywords

  • Antioxidant
  • Citrus sinensis
  • Cytoprotective
  • Flavonoid
  • Hesperidin

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