Sweet potatoes are root vegetables. In fact although they have the name of sweet potato they are not actually related to potatoes.Potatoes are tubers which are the stem of the plant vs Sweet Potatoes which as mentioned are roots. Roots are the part of the plant that connect to the ground and provide nutrients and water for the plant. Tubers grow roots on them. Sweet potatoes come in various different sizes and colors. They can be what we will call the classic orange Sweet Potato or they can be purple or white. Sweet Potatoes are a great vegetable to use as a staple food due to their nutrition content and cost.
Sweet potatoes are a good source of fiber source of fiber that are essentially fat free. They contain high levels of Vitamins A, C, and B-6. They also contain iron, manganese, and are high in Potassium. They contain roughly 18 grams of carbs, of which 2.5 grams are fiber and roughly 6 grams are sugar in a 100 gram serving.
Sweet potatoes are a good source of beta carotene. If you choose the purple variety they contain the same antioxidant anthocyanin that blueberries contain. That gives them their purple color. They have good antioxidant qualities which are beneficial for fighting free radicals. Another good value of sweet potatoes is their cost. According to the USDA they are roughly .92/lbs. That provides you with approximately 342 calories for less than a dollar. That is not too shabby at all. Overall Sweet potatoes are a great stable food to base a diet on. Below is a nutrient chart with data from USDA Nutrition Database.They do the analysis on the nutrient make up of food items. This is the nutritional value of a boiled sweet potato since most people cook theirs.(there are 62 nutrients in this list)
|Nutrient||Unit||Value per 100 g|
|Vitamin A, IU||IU||15740|
|Vitamin A, RAE||�g||787|
|Carbohydrate, by difference||g||17.72|
|Vitamin C, total ascorbic acid||mg||12.8|
|Fiber, total dietary||g||2.5|
|Vitamin K (phylloquinone)||�g||2.1|
|Vitamin E (alpha-tocopherol)||mg||0.94|
|Total lipid (fat)||g||0.14|
|Fatty acids, total polyunsaturated||g||0.061|
|Fatty acids, total saturated||g||0.031|