Hibiscus sabdariffa affects ammonium chloride-induced hyperammonemic rats

M. Mohamed Essa, P. Subramanian*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

34 Citations (Scopus)


Hibiscus sabdariffa (HS) is an edible medicinal plant, indigenous to India, China and Thailand and is used in Ayurveda and traditional medicine. Alcoholic extract of HS leaves (HSEt) was studied for its anti-hyperammonemic and antioxidant effects in brain tissues of ammonium chloride-induced hyperammonemic rats. Oral administration of HSEt (250 mg kg-1 body weight) significantly normalizes the levels of ammonia, urea, uric acid, creatinine and non-protein nitrogen in the blood. HSEt significantly reduced brain levels of lipid peroxidation products such as thiobarbituric acid and reactive substances (TBARS) and hydroperoxides (HP). However, the administered extract significantly increased the levels of antioxidants such as catalase (CAT), superoxide dismutase (SOD), glutathione peroxidase (GPx) and reduced glutathione (GSH) in brain tissues of hyperammonemic rats. This investigation demonstrates significant anti-hyperammonemic and antioxidant activity of HS.

Original languageEnglish
Pages (from-to)321-325
Number of pages5
JournalEvidence-based Complementary and Alternative Medicine
Issue number3
Publication statusPublished - Sept 2007


  • Ammonia
  • Antioxidants
  • Creatinine
  • Hibiscus sabdariffa
  • Hyperammonemia
  • Lipid peroxidation
  • Urea
  • Uric acid

ASJC Scopus subject areas

  • Complementary and alternative medicine


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