%0 Journal Article %T in vitro Antioxidant Activity and Total Polyphenolic Content of Cyperus rotundus Rhizomes %A KR. Nagulendran %A S. Velavan %A R. Mahesh %A V. Hazeena Begum %J Journal of Chemistry %D 2007 %I Hindawi Publishing Corporation %R 10.1155/2007/903496 %U http://dx.doi.org/10.1155/2007/903496