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What is the nutritional value of 100g of uncooked sweet potatoes?

3 min read

Just 100 grams of raw sweet potato provides a powerful dose of nutrients, including over 100% of the daily recommended intake of Vitamin A. Understanding the full nutritional value of 100g of uncooked sweet potatoes can help you make informed decisions about incorporating this versatile root vegetable into your diet.

Quick Summary

This guide details the complete nutritional profile of a 100g serving of uncooked sweet potato, covering macronutrients like carbs, protein, and fat, alongside essential vitamins and minerals. It also contrasts the nutritional differences between raw and cooked sweet potatoes.

Key Points

  • Rich in Vitamin A: Just 100g of uncooked sweet potato provides a substantial portion of your daily Vitamin A needs via beta-carotene.

  • Moderate Calories: With approximately 86 kcal per 100g, raw sweet potato is a low-calorie addition to meals.

  • Good Source of Fiber: The 3g of fiber per 100g supports healthy digestion and can increase feelings of fullness.

  • Packed with Antioxidants: Beta-carotene and other antioxidants combat oxidative stress and support overall health.

  • Digestible with Care: While safe to eat raw, the high starch content can cause digestive discomfort for some; thin slicing or shredding is recommended.

  • Beneficial Minerals: Provides essential minerals like potassium, manganese, and magnesium, contributing to blood pressure regulation and metabolism.

In This Article

A Detailed Look at Raw Sweet Potato Nutrition

Raw sweet potatoes are a dense source of energy and an array of crucial nutrients. Unlike regular white potatoes, they do not contain toxic solanine in their uncooked state, making them safe for consumption, though they are harder to digest. Per 100g serving, the nutritional breakdown showcases a nutrient-rich profile that earns sweet potatoes their 'superfood' reputation. This section will explore the caloric content, macronutrient composition, and the abundance of vitamins and minerals found in this versatile root vegetable.

Macronutrient Breakdown

For every 100 grams of uncooked sweet potato, you can expect a modest calorie count and a well-balanced macronutrient spread:

  • Calories: 86 kcal
  • Carbohydrates: Approximately 20.1 grams, consisting of both starch and natural sugars.
  • Fiber: Around 3 grams, which is a significant contribution to daily intake.
  • Protein: Roughly 1.6 grams.
  • Fat: A negligible 0.1 grams. The majority of the calories come from carbohydrates, providing a steady release of energy without the dramatic spikes associated with simple carbs. The dietary fiber content is also beneficial for digestive health and promoting a feeling of fullness.

Vitamins and Minerals

Beyond the basic macros, 100g of raw sweet potato is packed with a spectrum of micronutrients that support various bodily functions. The most notable nutrient is Vitamin A, which is supplied in the form of beta-carotene, a powerful antioxidant.

Vitamins:

  • Vitamin A: Over 100% of the daily value in beta-carotene, essential for vision, immune function, and reproductive health.
  • Vitamin C: An antioxidant that supports skin health and immune function.
  • Vitamin B6: Plays a vital role in energy metabolism.
  • Other B Vitamins: Contains B1 (Thiamine), B2 (Riboflavin), and B5 (Pantothenic acid).

Minerals:

  • Potassium: Important for regulating blood pressure.
  • Manganese: A trace mineral crucial for growth, metabolism, and development.
  • Copper: Important for energy production and iron metabolism.
  • Magnesium: Supports muscle and nerve function.
  • Phosphorus: Essential for bone health.

Raw vs. Cooked Sweet Potato: A Nutritional Comparison

While the nutritional foundation is set in the raw form, cooking can alter the bioavailability and composition of certain nutrients. Here is a comparison of key nutritional values per 100g for both uncooked and a common cooked method (baked) based on aggregated data:

Nutrient Raw (100g) Baked (100g) Difference Notes
Calories ~86 kcal ~90 kcal Slightly higher Concentration of nutrients as water evaporates.
Carbohydrates ~20.1 g ~20.7 g Slightly higher Baking slightly increases carb density.
Fiber ~3 g ~3.3 g Slightly higher Fiber content increases slightly as moisture is removed.
Protein ~1.6 g ~2.0 g Slightly higher Protein concentration increases slightly.
Vitamin A (Beta-carotene) Very High Very High Minimal change Cooking actually improves absorption (bioavailability) of beta-carotene.

It is important to note that while the numbers might shift slightly, cooking methods are more critical for specific nutrient outcomes. For example, boiling sweet potatoes can lower their glycemic load compared to baking.

Other Health Benefits and Digestive Considerations

Beyond the specific nutrients, sweet potatoes offer a range of health benefits that are amplified by their raw form's fibrous texture and antioxidant content. These benefits include improved gut health, support for vision and immunity, and potent antioxidant effects from beta-carotene and anthocyanins, particularly in purple-fleshed varieties.

Digestibility of Raw Sweet Potato While safe to eat raw, sweet potatoes contain resistant starch and enzyme inhibitors that can be difficult for some people to digest, potentially leading to bloating or gas. Cooking breaks down these compounds, making them easier on the digestive system. Thinly slicing or shredding raw sweet potato can also aid in digestion. The final choice depends on individual digestive sensitivity and preference.

Conclusion: A Versatile and Nutrient-Dense Root

In summary, the nutritional value of 100g of uncooked sweet potatoes is impressive, offering a low-calorie, high-fiber, and nutrient-dense option for any healthy diet. It is an exceptional source of beta-carotene, providing well over the daily requirement for Vitamin A, along with a host of other essential vitamins and minerals like potassium and manganese. While cooking can alter the nutritional profile slightly and make digestion easier, consuming them raw is also a viable option. Their versatility allows for inclusion in a variety of dishes, from salads to smoothies, ensuring you can enjoy their benefits regardless of your preferred preparation method. For more information on the specific benefits and preparation methods, consult reliable nutrition resources like WebMD.(https://www.webmd.com/food-recipes/benefits-sweet-potatoes)

Frequently Asked Questions

Yes, unlike regular potatoes which contain solanine, sweet potatoes can be eaten raw. However, their high starch and fiber content can be difficult for some people to digest, potentially causing bloating or gas.

100g of raw sweet potato has approximately 86 kcal, while 100g of baked sweet potato has around 90 kcal. The slight increase in cooked calories is due to moisture evaporation concentrating the nutrients.

Cooking does not significantly destroy the major nutrients. In fact, it can enhance the bioavailability and absorption of key nutrients like beta-carotene. Different cooking methods, like boiling, can also lower the glycemic load.

Sweet potatoes are an excellent source of beta-carotene, which your body converts into Vitamin A. Just 100g can provide well over the recommended daily amount of this vitamin.

A 100g serving of uncooked sweet potatoes contains approximately 20.1 grams of carbohydrates, including natural sugars and starch.

Raw sweet potatoes contain several important minerals, including potassium, manganese, magnesium, copper, and phosphorus, all of which support various bodily functions.

Yes, raw sweet potatoes can be peeled, chopped, or shredded and blended into smoothies. They add a mild, earthy sweetness and a nutritional boost. Consider cutting them into small pieces to help with blending.

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Medical Disclaimer

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