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Turnips nutrition facts

Turnips are nutritious root vegetables popularly sought after in variety of cuisines across Europe, Asia and Eastern American regions. This cool season veggie belongs to the family; Brassicaceae, that also includes cabbage, kale, brussels sprouts etc. They have been cultivated as staple crop during ancient Greek and Roman periods. Although this bulbous root that is widely eaten; it is its top fresh leaves that are more nutritious several times rich in vitamins, minerals and anti-oxidants.

Scientific name: Brassica rapa (Rapifera Group).


turnips
turnip-greens
Turnips
Turnip greens. Photo courtesy: faul


Small young turnips or “baby turnips” are called when the roots harvested early and they are eaten raw in salads. Baby turnips are delicate and sweeter; as they age, their taste becomes stronger and their texture becomes firm and woody.

Rutabaga, another root vegetable, is closely related to turnips. Rutabagas are larger, more round, mostly have yellow colored flesh and sweeter than turnips.


Health benefits of turnips

  • Turnips are very low calorie root vegetables; contains only 28 calories per 100 g. However they are very good source of anti-oxidants, minerals, vitamins and dietary fiber.

  • Fresh roots are indeed one of the vegetables rich in vitamin C; provide about 21mg or 35% of DRA of vitamin C per 100 g.  Vitamin-C is a poweful water soluble anti-oxidant required by the body for synthesis of collagen. It also helps body scavenge harmful free radicals, prevents from cancers, inflammation and helps boost immunity.

  • Turnip greens are the store house of many vital nutrients, in fact several times than the roots. The greens are very rich in antioxidants like vitamin A, vitamin C, carotenoids xanthins and lutein. In addition they are excellent source of vitamin K.

  • Top greens are also very good source of B-complex group of vitamins such as folates, riboflavin, pyridoxine, pantothenic acid and thiamin.

  • Fresh greens are also excellent sources of important minerals like calcium, copper, iron and manganese.



See the table below for in depth analysis of nutrients:

Turnips (Brassica rapa (Rapifera Group) ), Fresh, raw,
Nutrition Value per 100 g,
(Source: USDA National Nutrient data base)
Principle Nutrient Value Percentage of RDA
Energy 28 Kcal 1.5%
Carbohydrates 6.43 g 5%
Protein 0.90 g 1.5%
Total Fat 0.10 g <1%
Cholesterol 0 mg 0%
Dietary Fiber 1.8 g 5%
Vitamins
Folates 15 mcg 4%
Niacin 0.400 mg 2.5%
Pantothenic acid 0.200 mg 4%
Pyridoxine 0.090 mg 7%
Riboflavin 0.030 mg 2.5%
Thiamin 0.040 mg 4%
Vitamin A 0 IU 0%
Vitamin C 21 mg 35%
Vitamin E 0.03 mg <1%
Vitamin K 0.1 mcg <1%
Electrolytes
Sodium 39 mg 2.5%
Potassium 233 mg 5%
Minerals
Calcium 30 mg 3%
Copper 0.085 mg 9%
Iron 0.30 mg 4%
Magnesium 11 mg 2.5%
Manganese 0.134 mg 6%
Zinc 0.27 mg 2%
Phyto-nutrients
Carotene-ß 0 mcg --
Carotene-α 0 mcg --
Lutein-zeaxanthin 0 mcg --

Selection and storage

Turnips are available year around; however they are fresh and abundant from October through March. At maturity, they are usually two to three inches in diameter and weigh between 60 to 250 g. 

This root vegetable usually sold bunched or topped. In the markets look for fresh roots that are small, firm, round and impart delicate sweet flavor. Avoid larger as well as over matured roots as they are woody in textured and excess in fiber which makes dishes unappetizing. 

Once at home, remove the top greens as they rob nutrients of the roots. The roots can be stored for few weeks at low temperatures (32° to 35° F) and high relative humidity (95 percent or above). Use top greens as early as possible as they lose nutrients rather quickly.


Preparation and serving methods

Both root and top greens are used for cooking. Wash roots in cold running water in order to remove soil and any fungicide residues from the surface. Trim the top and bottom ends of the vegetable. Peeling may not be necessary if roots are young; however, over matured turnips will have tough skin that should be removed. 

Here are some serving tips:
  • Young turnip roots are favored in raw salads for their sweet taste. Complements well with cabbage, carrots, beets etc.

  • Its cubes can mix well with other vegetables like kohlrabi, potato, carrots in variety of recipes.

  • Diced roots can be added to poultry, lamb, pork etc.

  • Add raw baby turnip slices with olives and cherry tomatoes to make delicious appetizer.

  • Its top greens used with other greens in the preparation of soups, curries as well as in cooked vegetable recipes.


Safety profile

Turnips and top greens are generally very safe including in pregnant women. 

However, the roots and top greens contain oxalic acid, a naturally occurring substance found in some vegetables belonging to brassica family which may crystallize as oxalate stones in the urinary tract in some people. It is therefore, those with known oxalate urinary tract stones may have to avoid eating them. Adequate intake of water is therefore advised to maintain normal urine output in these individuals to minimize the stone risk.


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