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Purple potatoes are the eye-catching gems of the potato aisle. Like other members of the potato family (Solanum tuberosum), they come from a tuber plant native to the Andes mountain region in South America.

Recommendations to increase the intake of potassium and dietary fiber among young children should be a priority for the 2020 Dietary Guidelines for Americans, according to a new study by the Alliance for Potato Research and Education (APRE) presented today at Experimental Biology 2014.