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Nano-capsules Boost Potential Of Spice Ingredient As Disease Treatment

September 16, 2009: 06:08 AM EST
The potent antioxidant known as curcumin, found in the spice turmeric, is being tested for safety and effectiveness in treating colon cancer, psoriasis, and Alzheimer’s disease. A key problem, however, is the fact that digestive juices in the gastrointestinal tract quickly destroy curcumin, allowing very little into the blood. Now researchers in Japan say they have developed nano-size capsules, called liposomes, that can boost the body’s uptake of curcumin. The scientists fed the encapsulated curcumin laboratory rats and more than quadrupled curcumin absorption. Antioxidant levels in the blood were also raised significantly.
Makoto Takahashi, et al., "Evaluation of an Oral Carrier System in Rats: Bioavailability and Antioxidant Properties of Liposome-Encapsulated Curcumin", Journal of Agricultural and Food Chemistry, September 16, 2009, © American Chemical Society
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