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February 9, 2006

Potatoes are Nutritional Bargain

Potatoes are easy to prepare, good for you and economical.

That’s the message potato producers and nutritionists hope to get across during February, Potato Lovers Month. For years, potatoes have gotten a bad rap as being bad for you.

“Potatoes aren’t fattening; the common toppings people put on them pile on the fat and calories,” says Julie Garden-Robinson, North Dakota State University Extension Service food and nutrition specialist.

A 5 1/2-ounce potato, about the size of a computer mouse, has 100 calories, no fat, 26 grams of carbohydrate and 3 grams of fiber. It also has 21 percent of the daily recommendation for potassium and 45 percent of vitamin C, plus other nutrients.

Garden-Robinson says Americans are falling short on their intake of potassium, vitamin C and fiber. A potato this size would provide one-twentieth of the average adult’s daily calorie needs.

Potatoes are available from the grocery store in a variety of forms - fresh, frozen, instant and canned. You also can grow them in your garden or buy them at a farmers market.

They’re easy to prepare, too. You can bake, boil, fry, microwave, grill or steam them.

Potatoes are a tuber vegetable. That means the edible part grows underground.

The potato originated in South America, according to the Northern Plains Potato Growers Association, based in East Grand Forks, Minn. The Incas of Peru first cultivated the potato in about 200 B.C. The Incas had a lot of uses for the potato, including placing raw slices on broken bones to heal them, carrying potatoes to ward off rheumatism and eating them with other food to prevent indigestion. The Inca also used potatoes to tell time. They correlated units of time with how long cooking a potato took them.

Spanish conquistadors discovered potatoes in the Andes of Bolivia and Peru in 1537. They took the potato to Europe, then travelers brought it to the U.S.

Today potatoes are Americans’ favorite vegetable. They consume about 134 pounds of potatoes per person every year, the Northern Plains Potato Growers Association says.

North Dakota producers harvested 82,000 acres of potatoes in 2005, the U.S. Department of Agriculture’s National Agricultural Statistics Service reports. That harvest yielded an average of 250 hundredweight per acre, or 250 100-pound bags of potatoes.

NDSU plays a major role in the potato industry. In 2005, NDSU’s potato breeding program celebrated its 75th anniversary. Its plant breeders have released 23 cultivars and collaborated with breeding programs throughout the U.S. and Canada to release other cultivars.

“We’re very fortunate to have had a potato breeding program for that many years, and to have so many cultivars that have a large impact on the potato industry in the U.S.,” says NDSU potato breeder Susie Thompson.

Here are some tips for purchasing, storing and cooking potatoes:

  • When buying, select firm, smooth potatoes. Avoid those with wrinkled skin; soft, decayed areas; and cuts or bruises.
  • Store them in a cool (45 to 50 degrees), dry, dark place, but not the refrigerator. Refrigerated potatoes can develop an undesirable sweet taste.
  • Potatoes still are edible if they sprout. Just remove and throw out the sprouts.
  • Trim and discard any green spots on the skin.
  • Wash potatoes thoroughly before cooking. Use a clean vegetable brush if necessary, but not soap because it can leave residue.
  • Cook potatoes in their skins and eat the skin or peel as thinly as possible because many of the nutrients are directly beneath the skin. Also, the skin is a good source of fiber.
  • Put leftover baked, boiled or mashed potatoes in shallow containers and refrigerate at 40 F promptly. Unwrap leftover foil-wrapped baked potatoes and cut in half before refrigerating to speed cooling.
  • Use leftover potatoes within three days. You can freeze the leftovers, but they may become somewhat watery because potatoes are 80 percent water.

For more food and nutrition information, visit the NDSU Extension Service Web site at www.ag.ndsu.nodak.edu/food.htm or the USDA’s new food guide at www.mypyramid.gov. To learn more about potatoes, check out the U.S. Potato Board’s Web site at www.uspotatoes.com/index.html or the Northern Plains Potato Growers Association Web site at www.rrvpotatoes.org/consumer-facts.htm.

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Source: Julie Garden-Robinson, (701) 231-7187, jgardenr@ndsuext.nodak.edu
Source: Susie Thompson, (701) 231-8160, asunta.thompson@ndsu.edu
Editor: Ellen Crawford, (701) 231-5391, ecrawfor@ndsuext.nodak.edu


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