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Depression: 21st Century Solutions + The Dark Side of Wheat

Abstract Title:

Gastroprotective Effect of Ginger Rhizome (Zingiber officinale) Extract: Role of Gallic Acid and Cinnamic Acid in H+, K+-ATPase/H. pylori Inhibition and Anti-oxidative Mechanism.

Abstract Source:

Evid Based Complement Alternat Med. 2009 Jul 1. PMID: 19570992

Abstract Author(s):

Siddaraju M Nanjundaiah, Harish Nayaka Mysore Annaiah, Shylaja M Dharmesh

Abstract:

Zinger officinale has been used as a traditional source against gastric disturbances from time immemorial. The ulcer-preventive properties of aqueous extract of ginger rhizome (GRAE) belonging to the family Zingiberceae is reported in the present study. GRAE at 200 mg kg(-1) b.w. protected up to 86% and 77% for the swim stress-/ethanol stress-induced ulcers with an ulcer index (UI) of 50 +/- 4.0/46 +/- 4.0 respectively, similar to that of lansoprazole (80%) at 30 mg kg(-1) b.w. Increased H(+), K(+)-ATPase activity and thiobarbituric acid reactive substances (TBARS) were observed in ulcer-induced rats, while GRAE fed rats showed normalized levels and GRAE also normalized depleted/amplified anti-oxidant enzymes in swim stress and ethanol stress-induced animals. Gastric mucin damage was recovered up to 77% and 74% in swim stress and ethanol stress, respectively after GRAE treatment. GRAE also inhibited the growth of H. pylori with MIC of 300 +/- 38 mug and also possessed reducing power, free radical scavenging ability with an IC(50) of 6.8 +/- 0.4 mug ml(-1) gallic acid equivalent (GAE). DNA protection up to 90% at 0.4 microg was also observed. Toxicity studies indicated no lethal effects in rats fed up to 5 g kg(-1) b.w. Compositional analysis favored by determination of the efficacy of individual phenolic acids towards their potential ulcer-preventive ability revealed that between cinnamic (50%) and gallic (46%) phenolic acids, cinnamic acid appear to contribute to better H(+), K(+)-ATPase and Helicobacter pylori inhibitory activity, while gallic acid contributes significantly to anti-oxidant activity.

 
 

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Sayer Ji
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Depression: 21st Century Solutions + The Dark Side of Wheat

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