date:May 28, 2013
A new study, Vegetable Cost Metrics Show That Potatoes and Beans Provide Most Nutrients Per Penny, published in the journal PLOS ONE, shows that potatoes are one of the best nutritional values in the produce aisle, providing one of the better nutritional values per penny than most other raw vegetables and delivering one of the most affordable source of potassium of the more frequently consumed vegetables, second only to beans.
Dr. Adam Drewnowski and colleagues from the University of Washingto