Boiling sweet potatoes retains more beta-carotene and makes the nutrient more absorbable than other cooking methods such as baking or frying. Up to 92% of the nutrient can be retained by limiting the cook time, such as boiling in a pot with a tightly covered lid for 20 minutes.
Why is boiling not good for sweet potatoes?
Boiling sweet potatoes does leach out nutrients, but according to physician and author Dr. Michael Greger, of NutritionFacts.org, boiling sweet potatoes lowers their glycemic index, which means you get less insulin spike after eating them.
What is the healthiest way to cook a potato?
Baking a potato is the best way to prepare it, as baking, or microwaving, a potato causes the lowest amount of nutrients to be lost, she said. The next-healthiest way to cook a potato is through steaming, which causes less nutrient loss than boiling.
Do sweet potatoes lose nutrients when baked?
The study did find that boiling sweet potatoes retains more beta-carotene and makes it more absorbable than other cooking methods, such as frying, baking or steaming. Though this is the case, roasting sweet potatoes retained more anthocyanins than the other cooking methods.
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