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Protective effects of the standardized extract of Zingiber officinale on myocardium against isoproterenol-induced biochemical and histopathological alterations in rats
Abstract:Abstract

Context: Ginger [Zingiber officinale Roscoe. (Zingiberaceae)] has been universally used as a spice as well as for its health benefits.

Objective: The present study evaluates the protective effect of the standardized extract of ginger against isoproterenol (ISO)-induced myocardial infarction (MI) in rats.

Materials and methods: Wistar rats were pretreated orally with three doses of standardized ginger extract (100, 200, and 400?mg/kg of body weight) or propranolol (5?mg/mL) for 28?d prior to ISO (85?mg/kg) induced MI in two doses on days 29 and 30. The rats were sacrificed 48?h after the first induction; serum and hearts were collected for biochemical and histopathological analysis.

Results: Gingerols and shogaols were identified and quantitatively analyzed in the extracts using validated reversed phase HPLC methods. Pretreatment with ginger extract at 400?mg/kg showed a significant decrease (p?p?Conclusion: The ethanol extract of ginger exhibited cardioprotective potential in treating myocardial injury following ISO administration.
Keywords:Cardioprotective effect  gingerols  myocardial infarction  oxidative stress  serum marker enzymes  shogaols
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