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United States Department of Agriculture

Agricultural Research Service

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Image Number D723-18

Pungent red onions are nutritional wonders, containing three different groups of health-enhancing compounds: thiosulfinates, fructans, and flavonoids. ARS scientists in Madison, Wisconsin, are working to develop onions that are milder in taste but still chock-full of heart-healthy nutrients.

Photo by Stephen Ausmus.

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Last Modified: 8/13/2016
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