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Pakistan Journal of Biological Sciences

Year: 2008 | Volume: 11 | Issue: 14 | Page No.: 1779-1784
DOI: 10.3923/pjbs.2008.1779.1784

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Authors


Fatemeh Haidari

Country: Iran

Mohammad Reza Rashidi

Country: Iran

Seid Ali Keshavarz

Country: Iran

Soltan Ali Mahboob

Country: Iran

Mohammad Reza Eshraghian

Country: Iran

Majid Mohamad Shahi

Country: Iran

Keywords


  • Onion
  • hyperuricemia
  • uric acid
  • xanthine dehydrogenase
  • xanthine oxidase
Research Article

Effects of Onion on Serum Uric Acid Levels and Hepatic Xanthine Dehydrogenase/Xanthine Oxidase Activities in Hyperuricemic Rats

Fatemeh Haidari, Mohammad Reza Rashidi, Seid Ali Keshavarz, Soltan Ali Mahboob, Mohammad Reza Eshraghian and Majid Mohamad Shahi
The aim of this study was to investigate the effects of onion on serum uric acid levels and hepatic Xanthine Dehydrogenase/Xanthine Oxidase activities in normal and hyperuricemic rats. Hyperuricemia was induced by intraperitoneal injection of 250 mg kg-1 potassium oxonate in rats. Oral administration of onion at 3.5 and 7.0 mg kg-1 day-1 for 7 days was able to reduce serum uric acid levels in hyperuricemic rats with no significant effects on the level of this compound in the normal animals. In addition, onion when tested in vivo on rat liver homogeneities elicited significant inhibitory actions on the Xanthine Dehydrogenase (XDH) and Xanthine Oxidase (XO) activities. This effect resulted less potent than that of allopurinol. However, the hypouricemic effect observed in the experimental animal did not seem to parallel the change in XDH and XO activities, implying that the onion might be acting via other mechanisms apart from simple inhibition of enzyme activities. Such hypouricemic action and enzyme inhibitory activity of onion makes it a possible alternative for allopurinol, or at least in combination therapy to minimize the side-effects of allopurinol, in particular in long-term application.
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How to cite this article

Fatemeh Haidari, Mohammad Reza Rashidi, Seid Ali Keshavarz, Soltan Ali Mahboob, Mohammad Reza Eshraghian and Majid Mohamad Shahi, 2008. Effects of Onion on Serum Uric Acid Levels and Hepatic Xanthine Dehydrogenase/Xanthine Oxidase Activities in Hyperuricemic Rats. Pakistan Journal of Biological Sciences, 11: 1779-1784.

DOI: 10.3923/pjbs.2008.1779.1784

URL: https://scialert.net/abstract/?doi=pjbs.2008.1779.1784

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