It is said that potato can replace turnip in the diet with fewer calories. Have they really the same nutritional properties?
The turnip has four times less calories than the potato and provides generally equivalent nutrients.
It contains more fiber but less potassium. You could completely replace potatoes with turnips. But they are easier to cook and offers more varied recipes!
For every 100 grams, boiled.
It has a protective effect against cancer (via indole) and contributes to a balanced diet. It has no drawback.
For every 100 grams, steamed.
This is one of the richest food in potassium, that prevents high blood pressure, kidney stones. Its virtues against cancer are estimated low.
Potatoes can become as quickly tranformed into sugar than simple sugars when the body is missing them, but it has a low glycemic index normally.
Fries are harmful as too rich in fats.
Potato is rich in potassium and vitamin E. Turnip contains more fiber, vitamin C. It can replace potato unless you have a great need for potassium.
But it is mostly much less energetic.