Nutritional Content

A 1cup serving of boiled, mashed turnips contains 51 calories and provides 76 milligrams of calcium, 21 milligrams of magnesium and 407 milligrams of potassium. The same serving size also provides 26 milligrams of vitamin C. A 1cup serving of raw turnip greens provides 104 milligrams of calcium, or 13 percent of your daily requirement, and 163 milligrams of potassium. Turnip greens are also a good source of vitamin C, with 33 milligrams per cup, vitamin A, with 6,373 International Units, or IUs, per cup about 64 percent of your daily requirement and vitamin K, with 318 IUs per cup about three times the daily adult requirement. While the turnip root is considered a starchy vegetable, it contains only a third of the calories in a potato.