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Does heat destroy potassium in food?

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For all everyday purposes, no. ( For a given value of heat, yes. The centre of some stars, for instance…) Potassium, along with Calcium, Magnesium, Iron and the other essential minerals in your diet are not destroyed by cooking. read more

Potassium losses from cooking of high-potassium foods can be significant. In the case of spinach for example, potassium levels have been shown to drop from 6.9 to 3.0 grams in 3 and 1/2 ounces of spinach after blanching for several minutes (a loss of about 56%). read more

Even if you can be confident that baking bananas into bread won’t destroy their potassium content, cooking can affect other nutrients. Raw bananas are a good source of vitamin C, a water-soluble nutrient that’s degraded by light and heat. read more

With both, food is heated in a pan over heat with a small amount of butter or oil. The only difference is that with stir frying, the food is stirred often, the cooking temperature is higher, and the heating time is shorter. By cooking a short time without the use of water, B vitamins are retained. read more

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