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Nutrition Diet: How many calories are in 100g of raw peeled sweet potatoes?

5 min read

According to the USDA, a 100g serving of raw, peeled sweet potatoes contains approximately 86 calories. While this is a straightforward number, the full nutritional profile offers much more insight for a balanced nutrition diet, revealing a powerhouse of vitamins, minerals, and complex carbohydrates.

Quick Summary

This nutritional guide details the caloric content and full macronutrient composition of raw sweet potatoes. It also compares the nutrition of raw versus cooked versions, highlights key health benefits, and offers tips for incorporating them into a healthy eating plan.

Key Points

  • Caloric Content: 100g of raw, peeled sweet potatoes contains approximately 86 calories, with the bulk of energy coming from complex carbohydrates.

  • Nutrient Richness: Beyond calories, sweet potatoes are packed with vitamins A, C, potassium, and antioxidants, supporting various bodily functions.

  • Cooking Method Matters: Cooking, especially boiling, can alter the calorie count per 100g and help retain certain nutrients like beta-carotene more effectively than baking.

  • Digestive Health: The fiber content aids in digestion, promotes satiety, and supports a healthy gut microbiome.

  • Weight Management Aid: Sweet potatoes can assist with weight loss due to their high fiber content and low-calorie density, which helps you feel full longer.

  • Potential Risks: Excessive consumption can lead to carotenodermia (orange skin tint), and the high oxalate content can be a concern for individuals with kidney stone issues.

In This Article

The Caloric and Macronutrient Profile of Raw Sweet Potatoes

For anyone monitoring their intake, understanding the specific nutritional information is crucial. As established, a 100g portion of raw, peeled sweet potato typically provides 86 calories. This low-calorie density makes it an excellent choice for a filling yet nutrient-rich meal component. The majority of these calories come from its carbohydrate content, with very little contribution from fat.

Macronutrient breakdown per 100g (raw):

  • Carbohydrates: Approximately 20.1 grams, consisting of both starches and natural sugars.
  • Protein: A modest 1.6 grams.
  • Fat: A negligible 0.1 grams.
  • Dietary Fiber: About 3 grams, which is vital for digestive health.

Beyond the macronutrients, sweet potatoes are also a rich source of micronutrients. They provide significant amounts of beta-carotene, which the body converts to vitamin A, crucial for vision and immune function. They are also a good source of vitamin C, potassium, and manganese.

Raw vs. Cooked Sweet Potatoes: A Nutritional Comparison

The method of preparation can significantly impact the final nutritional values, particularly when it comes to caloric density and certain vitamin retention. For instance, baking a sweet potato can increase its sugar and caloric density per 100g due to water loss, while boiling can preserve more nutrients like beta-carotene.

Comparison Table: Raw vs. Boiled Sweet Potato (per 100g)

Nutrient Raw Sweet Potato Boiled, Peeled Sweet Potato
Calories ~86 kcal ~76 kcal
Carbohydrates ~20.1g ~18g
Protein ~1.6g ~1.4g
Fat ~0.1g ~0.1g
Dietary Fiber ~3g ~2g
Vitamin A Excellent source Excellent source (less than raw)

This comparison highlights that boiling slightly reduces the calorie count and nutrient density per 100g, primarily because water absorption during boiling makes the potato heavier. Boiling also has the added benefit of potentially lowering the glycemic index compared to baking or roasting.

Beyond Calories: The Health Benefits of Sweet Potatoes

Sweet potatoes are a nutrient-dense food that offers a wide array of health benefits, making them a valuable addition to any balanced diet.

  • Rich in Beta-Carotene: The vibrant orange color of sweet potatoes is a tell-tale sign of their high beta-carotene content. Once ingested, the body converts this compound into Vitamin A, which is essential for maintaining healthy vision, especially night vision.
  • Immune System Support: Sweet potatoes are a great source of Vitamin C, a powerful antioxidant that helps bolster the immune system and protect the body from free radical damage.
  • Digestive Health: With a significant amount of dietary fiber, sweet potatoes support healthy digestion. Fiber not only helps prevent constipation but also fosters the growth of beneficial gut bacteria, contributing to overall gut health.
  • Heart Health: The high potassium content helps regulate fluid balance and blood pressure, which is crucial for cardiovascular health. Some studies also suggest the fiber in sweet potatoes can help lower cholesterol.
  • Anti-Inflammatory Properties: The presence of antioxidants, particularly in purple-fleshed varieties, provides anti-inflammatory benefits that may help reduce the risk of certain chronic diseases.

Incorporating Sweet Potatoes into a Healthy Diet

Sweet potatoes are incredibly versatile and can be prepared in numerous healthy ways. To maximize nutritional benefits, consider these preparation tips and recipes:

  • Baking or Roasting: Cut into wedges or cubes, toss with a minimal amount of olive oil and spices, and bake until tender. Leaving the skin on retains more fiber.
  • Boiling or Steaming: This is a great way to retain nutrients. Boiled sweet potatoes can be mashed for a side dish or cubed and added to salads.
  • Sweet Potato Toast: Slice the potato thinly and toast until cooked. This makes a nutritious base for toppings like avocado, eggs, or nut butter.
  • Soups and Stews: Sweet potatoes add natural sweetness and thickness to a variety of savory soups and stews.

Considerations and Weight Management

While highly beneficial, there are a couple of points to keep in mind. Sweet potatoes are high in oxalates, which can increase the risk of kidney stones for individuals who are susceptible. Pairing them with a calcium-rich food can help mitigate this effect. Also, excessive consumption of beta-carotene can cause a harmless yellow-orange skin discoloration called carotenodermia, which is reversible.

For weight management, sweet potatoes are an excellent choice due to their high fiber and water content, which promotes satiety and helps control appetite. Substituting them for less nutrient-dense carbs, like refined grains, can be a valuable strategy.

Conclusion

Knowing how many calories are in 100g of raw peeled sweet potatoes is a good starting point, but it's the rich, nutrient-dense profile that makes this root vegetable so valuable for a healthy diet. Whether you choose to bake, boil, or mash them, sweet potatoes offer a wealth of vitamins, minerals, fiber, and antioxidants that contribute significantly to overall health and well-being. For those focused on a balanced nutrition diet, incorporating sweet potatoes is a smart and flavorful choice.

For more information on the health benefits of sweet potatoes, visit the article on Healthline: Sweet Potatoes 101: Nutrition Facts and Health Benefits.


Raw vs. Cooked Sweet Potato Table

Nutrient Raw Sweet Potato Boiled, Peeled Sweet Potato
Calories ~86 kcal ~76 kcal
Carbohydrates ~20.1g ~18g
Protein ~1.6g ~1.4g
Fat ~0.1g ~0.1g
Dietary Fiber ~3g ~2g
Vitamin A Excellent source Excellent source (less than raw)

Ways to Enjoy Sweet Potatoes

  • Roasted Wedges: Toss with paprika and a pinch of salt for a savory side.
  • Creamy Mashed Sweet Potatoes: Boil until tender, mash with a fork, and add a little milk or a pat of butter.
  • Sweet Potato Hash: Combine diced sweet potatoes with onions, peppers, and your favorite spices for a hearty breakfast hash.
  • Baked and Stuffed: Bake a whole sweet potato and stuff it with black beans, corn, and avocado for a complete meal.
  • Smoothies: Add cooked and cooled sweet potato to your smoothie for added creaminess and nutrients.
  • Soups: Purée boiled sweet potato into a soup with ginger and spices for a comforting and healthy meal.
  • Sweet Potato Salad: Combine boiled, cubed sweet potatoes with greens, nuts, and a light vinaigrette for a nutrient-packed salad.
  • Sweet Potato Pancakes: Add shredded sweet potato to your pancake batter for a nutritious twist.
  • Sweet Potato Brownies: Use puréed sweet potato as a binder for healthier, delicious dessert recipes.

Frequently Asked Questions

A 100g portion of raw, peeled sweet potatoes contains approximately 86 calories.

The impact of cooking on nutrients varies by method. While some nutrients might be affected, boiling sweet potatoes can actually improve the absorption of certain compounds like beta-carotene. Some older studies suggest boiling is generally better than baking for nutrient retention.

Yes. While the total number of calories doesn't change, the calorie count per 100g can change depending on how it's prepared. Baking, for example, can increase caloric density per 100g as water evaporates, while boiling can slightly decrease it as water is absorbed.

Yes, sweet potatoes are beneficial for weight loss. They are high in fiber, which promotes a feeling of fullness and helps control appetite. They are also nutrient-dense while being relatively low in calories.

Sweet potatoes are rich in antioxidants, vitamins A and C, and fiber. Their benefits include supporting vision, boosting immunity, promoting gut health, and contributing to cardiovascular wellness.

Yes, you can eat sweet potatoes daily as part of a balanced diet. However, moderation and variety are key. Be mindful of potential side effects like carotenodermia from excessive beta-carotene intake.

Boiling and steaming are considered some of the healthiest cooking methods as they help preserve more nutrients and don't require adding fats. Baking or roasting with a minimal amount of healthy fat is also a nutritious option.

No, yams and sweet potatoes are not botanically related. They are different species with different nutritional profiles and textures. Raw yams are also typically toxic and must be cooked, unlike sweet potatoes.

References

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Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.