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J Agric Food Chem. 2005 May 18;53(10):4311-4.

Potential cell culture models for antioxidant research.

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  • 1Department of Food Science and Institute of Comparative and Environmental Toxicology, Cornell University, Ithaca, New York 14853, USA. RL23@cornell.edu

Abstract

The antioxidant activity of pure compounds, foods, and dietary supplements has been extensively studied with the development of many new antioxidant and antioxidant activity assays in recent years. However, these assays, such as total phenolics, total flavonoids, and total antioxidant activity in vitro, do not reflect the cellular physiological conditions and do not consider the bioavailability and metabolism issues. In addition, the mechanisms of action of antioxidants go beyond the antioxidant activity scavenging free radicals in disease prevention and health promotion. Animal models and human studies are expensive and not suitable for initial antioxidant screening of foods and dietary supplements. Therefore, there is a need for cell culture models to access the bioactivity of antioxidants. This paper is an overview of cell culture models for antioxidant research, as reported at the First International Congress on Antioxidant Methods, held in Orlando, FL, June 16-18, 2004, and outlines potential cell culture models for initial antioxidant screening and antioxidant research.

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