Citrus fruits, berries, onions, teas, and red wine have one thing in common - they all contain flavonoids. These are specific phytonutrients that are believed to improve certain biological functions in humans. Tea, oranges, and mint are particularly rich in flavonoids. Scientists at the Beltsville Human Nutrition Research Center in Maryland have developed a new supplemental database that includes information on these foods and many others.
The center is also responsible for managing USDA's National Nutrient Database for Standard Reference, which is the main source of information on food composition in the US. The databases for carotenoids and isoflavones are also available on the World Wide Web at www.nal.usda.gov/fnic/foodcomp. Learn More
Anita Johnson-Brown|The Los Angeles News
Photo by Steve Ausmus, USDA/ARS
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