Regular white potatoes are not a food that is considered sweet or "sugary." However, potatoes are almost all starch and starch is made up of long strings of glucose. Since the starch in potatoes is rapidly digested, the glycemic index of potatoes can be almost as high as that of glucose alone. 5 янв. 2022 г.
Are potatoes high on the glycemic index?
Potatoes fall in the high GI category. A cup of them can affect your blood sugar in the same way a can of soda would. One study found that women who ate a large amount of potatoes raised their risk of diabetes. Replacing them with whole grains cut their risk.
Why do potatoes spike blood sugar?
How do potatoes affect blood sugar levels? Like any other carb-containing food, potatoes increase blood sugar levels. When you eat them, your body breaks down the carbs into simple sugars that move into your bloodstream. This is what's often called a spike in blood sugar levels ( 1 ).
How do you lower the glycemic index of potatoes?
Cooking a potato makes the starch more digestible, which raises the GI. After cooling, the potato becomes less digestible again, which may lower the GI. The most healthful way to cook potatoes is to boil, steam, or microwave them without adding other ingredients.
What potatoes have the highest glycemic index?
Boiled and roasted potatoes have the lowest GI (both 59), while baked potatoes are higher (69) and mashed and instant potatoes have the highest GI (78 and 82, respectively).
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