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Current Drug Metabolism


ISSN (Print): 1389-2002
ISSN (Online): 1875-5453

Interactions Between Plasma Proteins and Naturally Occurring Polyphenols

Author(s): Min Li and Ann E. Hagerman

Volume 14 , Issue 4 , 2013

Page: [432 - 445] Pages: 14

DOI: 10.2174/1389200211314040006

Price: $65


The plant natural products known as polyphenols are found at micronutrient levels in fruits, vegetables, and plant-based beverages such as wine, tea, coffee and cocoa. Consumption of a fruit- and vegetable-rich diet, the “Mediterranean diet”, has been epidemiologically related to health benefits especially for chronic diseases including diabetes, cardiovascular disease, and Alzheimer’s disease. The abundance of polyphenols in plant-rich diets, and the potent bioactivities of polyphenols, provide indirect evidence for a role for polyphenols in maintaining good health. However, molecular mechanisms for therapeutic or preventative activity have not been demonstrated in vivo. We summarize the chemical classes of natural polyphenols, their bioactivities and bioavailability and metabolism. Because many polyphenols bind protein, we focus on the potential of protein binding to mediate the health-related effects of polyphenols. We discuss interactions with plasma proteins as the first target organ past the digestive tract for these orally-ingested compounds.

Keywords: Tannin, serum albumin, French paradox, cardiovascular disease, antioxidant, protein binding, polyphenol.

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