Journal
JOURNAL OF GINSENG RESEARCH
Volume 37, Issue 2, Pages 194-200Publisher
KOREAN SOC GINSENG
DOI: 10.5142/jgr.2013.37.194
Keywords
Panax ginseng; Korean red ginseng extract; Ethanol; Malondialdehyde; Serum gamma-glutamyltranspeptidase
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Korean red ginseng (KRG) is prepared by the process of steaming the roots of Panax ginseng. In this study, the feeding effects of KRG-water extract (KRGE) on ethanol-induced liver damage were elucidated by measuring serum biomarkers in rats. Serum gamma-glutamyltranspeptidase (gamma-GT) activity and the concentration of malondialdehyde (MDA) were significantly increased by short-term and long-term ethanol treatment in rats, whereas the activities of serum glutamate pyruvate transaminase (GPT) and glutamate oxaloacetate transaminase (GOT) did not respond. Pretreatment with KRGE maintained the activity of serum GPT, and the MDA concentration induced by short-term ethanol ingestion remained within the normal range. However, co-feeding of KRGE to rats decreased the concentration of MDA but failed to modulate the serum gamma-GT activity induced by long-term ethanol treatment. Our studies suggest that in rats, it appears that KRGE does not sufficiently reverse the physiological response evoked by long-term ethanol ingestion to maintain normal conditions, in view of the serum biomarker gamma-GT, regardless of KRGE's favorable antioxidant activity.
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