MYTH #2. MOST COOKING METHODS DESTROY THE NUTRIENTS IN POTATOES. While boiling potatoes does cause a small loss of water-soluble nutrients like vitamin C and vitamin B6, the white potato retains most, if not all, of its potassium and dietary fiber regardless of cooking method, such as baking, boiling, or frying.
What nutrients are potatoes missing?
"A diet of just potatoes will be deficient in vitamins A, E and K, the minerals calcium and selenium, essential fatty acids, protein and dietary fibre. Although they may provide enough iron for a man, they will not provide enough iron for women.
What nutrients are lost when potatoes are boiled?
Vitamin Losses From Boiling Potatoes provide vitamins B-6 and C, thiamine and niacin. Niacin is heat-stable and not usually lost in significant amounts due to cooking, but at least some of the thiamine and vitamins B-6 and C may be lost when potatoes are boiled.
Does boiling cut potatoes remove nutrients?
Water-soluble vitamins and minerals such as B vitamins, vitamin C and potassium leech out from the potatoes into cooking water when boiled. Boiling potatoes with their skins on (although after cooking they might be peeled and eaten without skin) greatly reduces these nutrient losses.
How are nutrients lost?
Nutrients can be lost in a number of ways. Soluble nutrients like nitrate and potassium can be lost in runoff and drainage water, whereas less soluble nutrients like phosphorus are more likely to be lost with sediments moving in eroding soils and run-off water. Broadcast fertilisers on the soil surface are at risk.
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