Isolation of ellagic acid from the aqueous extract of the roots of Decalepis hamiltonii: Antioxidant activity and cytoprotective effect
2007
Srivastava, A. | Rao, L.J.M. | Shivanandappa, T.
Roots of Decalepis hamiltonii are consumed as pickles and as a beverage and are believed to possess health-promoting properties. Roots of D. hamiltonii exhibit antioxidant properties. We have isolated an antioxidant compound from the aqueous extract of the roots of D. hamiltonii and identified it as ellagic acid (EA), based on NMR and MS. EA exhibited free radical-scavenging activity, inhibited LDL oxidation and showed cytoprotective effect against xenobiotic-induced oxidative stress in Ehrlich Ascites tumor cells. EA is a new addition to the list of antioxidant compounds in the roots of D. hamiltonii.
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