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 < 0.05) in all the cardiac enzyme activities, i.e., cardiac troponin I (cTnI) (0.57 ng/mL), creatine kinase MB isoenzyme (CK-MB) (10.34 pg/mL), lactate dehydrogenase (LDH) (115.22 U/L), alanine transaminase (ALT) (15.79 U/L), and aspartate transaminase (AST) (46.72 U/L) when compared with ISO-control rats. There were significant rises (p < 0.05) in the activity of glutathione peroxide (GPx) (53.16 U/L), catalase (CAT) (210.41 U/L), and superoxide dismutase (SOD) (280.89 U/mL) of the pretreated rats when compared with the ISO-control. Histopathological examination showed an improvement in membrane cell integrity in pretreated rats compared with untreated rats. CONCLUSION:The ethanol extract of ginger exhibited cardioprotective potential in treating myocardial injury following ISO administration.
journal_name
Pharm Bioljournal_title
Pharmaceutical biologyauthors
Amran AZ,Jantan I,Dianita R,Buang Fdoi
10.3109/13880209.2015.1008147subject
Has Abstractpub_date
2015-01-01 00:00:00pages
1795-802issue
12eissn
1388-0209issn
1744-5116journal_volume
53pub_type
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