Antioxidants Echinacea

Some in vitro studies have reported weak antibacterial, antifungal, antiviral, and antioxidant activity with echinacea constituents. The applicability of these findings to clinical trials is discussed below. 

Hall III, C., Schwarz, J., Shultz, K., 2001. The antioxidant activity of the purple coneflower (Echinacea). Abstracts of the 92nd AOCS Annual Meeting Expo, May 13-16, Minneapolis, MN. (http //www.aocs.org/archives/am2001 wp.htm). 

Hu, C. and Kitts, D. 2000. Studies on the antioxidant activity of Echinacea root extract. J. Agric. Food Chem. 48, 1466-1472. 

Sloley, B.D., Urichuk, L., Tywin, C., Coutts, R., Pang, P., and Shan, J. 2001. Comparison of chemical components and antioxidant capacity of different Echinacea species. J. Pharm. Pharmacol. 53, 849-857. 

Antioxidant activity. Caffeoyl derivatives from echinacea, for example, echinacoside and cynarine, are capable of reducing collagen damage produced by reactive oxygen species and/or other radicals (IC50 15-90 pM). " ... 

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