A medium sweet potato, based on the provided reference for a medium-sized yam, typically measures around 5 inches by 2 inches and weighs about 6 ounces.
Understanding the Size of a Medium Sweet Potato
While the term "sweet potato" and "yam" are often used interchangeably in everyday language, especially in North America, they are botanically distinct. However, the provided reference for a "medium-size yam" describes characteristics (like high beta-carotene content) that are commonly associated with the moist, orange-fleshed varieties of sweet potatoes. Therefore, these dimensions offer a clear guideline for what constitutes a medium-sized sweet potato in many culinary contexts.
Key Characteristics of a Medium Sweet Potato (Based on Reference)
A medium sweet potato, aligning with the description of a medium-sized yam in the reference, offers a balanced profile in terms of size and nutritional value.
Here's a breakdown:
- Physical Dimensions: Approximately 5 inches (length) by 2 inches (diameter).
- Weight: Around 6 ounces (about 170 grams).
Characteristic | Value |
---|---|
Dimensions | 5 inches (length) x 2 inches (diameter) |
Weight | Approximately 6 ounces (170g) |
Calories | 150 calories |
Nutritional Insights
Beyond its size, a medium sweet potato is a nutritional powerhouse. According to the reference, it is particularly rich in essential nutrients:
- Beta-carotene: Contains three to four times the Recommended Dietary Allowance (RDA) for beta-carotene. This powerful antioxidant is responsible for the vibrant orange color.
- Vitamin A Conversion: Approximately two-thirds of the beta-carotene present is converted into vitamin A in the body, which is crucial for vision, immune function, and skin health.
Practical Considerations
While these dimensions provide a good benchmark, the actual size of sweet potatoes can vary based on variety, growing conditions, and harvest time. When selecting sweet potatoes for recipes, understanding what a "medium" size entails can help in portion control and ensure consistent cooking results.
For instance:
- Roasting: A medium sweet potato is ideal for individual servings when roasted whole or cut into wedges.
- Mashing: One or two medium sweet potatoes might be sufficient for a side dish for a small family.
- Baking: Its size makes it perfect for a single-serving baked sweet potato.
Understanding these standard dimensions helps in meal planning and ensures you are getting a consistent amount of the beneficial nutrients sweet potatoes offer.