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Turmeric: An Overview of Potential Health Benefits

Singletary, Keith PhD

doi: 10.1097/NT.0b013e3181f1d72c
Food Science

The spice turmeric, derived from the rhizome of Curcuma longa L, has been used for centuries in food preparation and in traditional medicines to treat numerous diseases and conditions. The primary biologically active constituent of turmeric is the polyphenol, curcumin, an orange-yellow powder that has potent anti-inflammatory and antioxidant properties, which, in part, may contribute to curcumin's potential to prevent such conditions as cancer, Alzheimer disease, heart disease, and arthritis, to name a few. Clinical confirmation of these putative benefits is limited, however, and progress in establishing the in vivo efficacy in humans especially at typical dietary intakes is constrained by the poor bioavailability of this hydrophobic molecule. Strategies to improve absorption and distribution of curcumin in foods and findings from ongoing clinical studies should improve our understanding of how curcumin can best be used to improve human health.

A spice with a healthy twist

Keith Singletary, PhD, is Professor Emeritus of Nutrition, Department of Food Science & Human Nutrition, University of Illinois, Urbana, Illinois.

Funding for this article was provided by the McCormick Science Institute.

Correspondence: Keith Singletary, PhD, University of Illinois, 260 Bevier Hall, 905 South Goodwin Ave, Urbana, IL 61801 (kws@illinois.edu).

© 2010 Lippincott Williams & Wilkins, Inc.