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Whether you bake or mash them, or give them a quick fry. Or transform them into a beautiful sweet potato pie!

This starchy superstar is a delicious treat and has become a sentimental staple at Thanksgiving dinners. The good news is that sweet potatoes are actually very nutritious as well as being exceptionally delicious. Read on to discover their health benefits, their history and trivia, and tips for cooking them just right.

Don’t let the ‘sweet’ in sweet potatoes scare you. They actually have a lower glycemic index then white potatoes. That means they are less likely to produce insulin resistance and its accompanying health problems, including weight gain. Sweet potatoes are a smart carb, very rich in carotenoids, vitamins A, B6, C, potassium, iron and fiber. They provide a wealth of health benefits and are a great addition to your meals.

Did you know that sweet potatoes were cultivated and consumed before the white (Irish) potato?

13 Surprising Health Benefits of Sweet Potatoes

1.  Maintains Healthy Blood Sugar Levels

Yes, sweet potatoes are sweet, but they have a low glycemic index meaning the sugar is released slowly into the bloodstream. Most consumed starchy foods raise blood sugar rapidly; with sweet potato you will not get a blood sugar spike, but you will get a steady amount of energy. Research at the found the Beauregard sweet potato to be a low-glycemic index food.

2. Treatment for Diabetes

A of 61 people with type 2 diabetes saw that those who took the extract, Caiapo, from the sweet potato daily for 3 months had their blood sugar drop with no significant adverse effects.

Caiapo has been used without medical prescription for years in Japan as a food additive for prevention and .

“We’re hoping that diet, particularly the consumption of sweet potatoes, will become a more widely used tool in the treatment of diabetes. It has the potential to be more cost-effective than drugs.” – , CALS professor of food science.

3.  Immune System is Strengthened

Sweet potatoes are high in vitamin C, Beta Carotene and vitamin E that support a healthy immune system and are .

4. Helps Keep the Heart Healthy

They are a great source of B6 vitamins, which break down homocysteine, a substance that contributes to the hardening of blood vessels and arteries. – .

Also, being a good source of , they help the heart by lowering blood pressure according to the  Potassium is also an important electrolyte that helps regulate your heartbeat.

5. Reduce the Chances of Stomach Ulcers

did a study in 2012 on how effective sweet potatoes were in healing an ulcer. The sweet potato had a potent ulcer healing effect!

6. Good for Weight Loss

Sweet potatoes are a good source of dietary fiber, which slows down digestion so you eat less. This also helps with regular bowel movements.

7. Anti-Inflammatory Effects of Purple Sweet Potato

A found the extract of the purple sweet potato to be anti-inflammatory. Learn more:

Sweet Potatoes are High in Beta-Carotene (Vitamin A)

1 cup Sweet potato, cooked, baked in skin = 769 percent daily recommended intake of Vitamin A, according to the .

Vitamin A is an antioxidant that protects cells from damage caused by free radicals believed to contribute to some chronic diseases.

According to the Beta-Carotene also Helps with the Following:

8. Creates Healthy Skin, Hair, Teeth and Bones 9. Promotes Good Vision because it produces the pigments in the  of the eye. 10. Helps with Anti-aging 11. Cancer Prevention. It is best for the beta-carotene to come from real food as the supplements don’t seem to reduce cancer risk. Beta-carotene may reduce the risk of breast cancer and ovarian cancer. 12. Decreases Asthma Symptoms Caused by Exercise. 13. May Help Protect Against Sun Damage, according to a 2004 study in the

Sweet Potato Trivia

• Sweet potatoes were eaten as aphrodisiacs in Europe, likely because they were a delicacy.
• Latin America Indians make a red dye from the mixed juices of limes and sweet potatoes.
• In Japan’s mountainous region, Kagawa, white sweet potatoes eaten raw has long been a traditional treatment for anemia, hypertension and diabetes.
•  developed glue for postage stamps, wood fillers, more than 73 dyes, rope, breakfast cereal, synthetic silk, shoe polish and molasses. He wrote several brochures on the nutritional value of sweet potatoes.
• North Carolina produces about 40 percent of the U.S. supply.
• Sweet potatoes are roots, not tubers like regular potatoes.
• A sweet potato festival called  is held in Benton, Kentucky on the first Monday of April, annually.

Nutrition

• They are more nourishing than potatoes and many grains with their higher nutrient values.
• The are full of protein, with a high amino acid score.
• They have over 750 percent of your daily needs for vitamin A in 1 cup of cooked sweet potato, according to the .

Please Note:

When eaten in moderation and prepared in a healthy way (not just indulging in sweet potato fries), they are nutritious, without significant health risks. They are high in carbohydrates, 1 cup of cooked sweet potato has 180 calories and for comparison, one cup of cooked has about only 55 calories.

Sweet potatoes have a moderate to high amounts of oxalates which may increase the risk of oxalate-crystal kidney and gall stones.  For most of us this is not a problem if we have a healthy kidney and gall bladder.  Read:

Sweet Potato History

• Sweet potatoes have been grown in Central and South America for at least 10,000 years by the Inca and Aztecs. Sweet potato samples have been found in the Neolithic Period and perhaps to the end of the last Ice Age, or 8000 B.C. in Peru according to the .
• Christopher Columbus took sweet potatoes to Spain after his first voyage in 1492 introducing them to the gardens of Europe.
• History mystery: Polynesians were growing sweet potatoes as early as 1200 A.D.
• Spanish explorers are said to have taken the sweet potato to the Philippines and East Indies. Then they made their way to India, China and Malaya by Portuguese voyagers in the late 16th century and the 17th and 18th centuries.
• They were grown in Virginia in 1648 and perhaps earlier, and then were taken to New England in 1764.

And now we know where our beloved sweet potato pie comes from!

Tips For Eating and Cooking Sweet Potatoes:

They have a very high amount of beta carotene which gives us many health benefits (healthy skin, hair, teeth, bones, vision, plus helps with anti-aging, cancer prevention, decreases asthma symptoms and protection against sun damage).

How do we get the most beta carotene from sweet potatoes?

Cooking sweet potatoes is the best way to get the most beta carotene, but not all methods are equal.

To confuse the issue, raw sweet potatoes contain the most beta carotene (see this chart at the ).

So why not just eat raw sweet potatoes? The problem is that they have an enzyme inhibitor that stops the trypsin enzyme in your body from digesting proteins. This protein inhibitor is broken down in the cooking process; heating to 194 degrees Fahrenheit for several minutes .

Raw sweet potatoes can make you fart! They contain a sugar called ; it is one of three plant sugars that are unable to be digested in the stomach. They get broken down in the intestines, making hydrogen and CO2 which makes gas. Raffinose is decreased by cooking in the same way raffinose is decreased  in beans by cooking according to a .

Which Cooking Method Makes Available The Most Beta-carotene?

According to this is the amount of beta carotene left after the following processes: • Oven-drying process: 89–96 percent • Boiling: 84–90 percent • Frying method: 72–86 percent • Sun-drying process: 63–73 percent

Ok let’s get cooking! Here are two very tasty sweet potato recipes to add to your meals.