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E-Journal of Chemistry
Volume 8, Issue 2, Pages 882-886
http://dx.doi.org/10.1155/2011/693417

Evaluation of Antioxidant Activity of Medicinal Plant Extracts Produced for Commercial Purpose

A. D. Sathisha, H. B. Lingaraju, and K. Sham Prasad

Bio-Medicinal Research Laboratory, Vidya Herbs Pvt. Ltd Jigani Industrial Area, Bangalore, India

Received 28 April 2010; Accepted 17 July 2010

Copyright © 2011 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The antioxidant potential of some herbal plant extracts (commercial products) was measured using various in vitro assays. Among the extracts from Curcuma longa, Caffea arabica, Tribulus terrestris, Bacopa monnieri and Trigonella foenum- graecum, the Curcuma longa and coffee bean extract (Caffea Arabica) showed greater antioxidant activity measured as scavenging of DPPH, superoxide radicals, reducing power and inhibition of microsomal lipid peroxidation.