Other causes of stomach rumbles: 1  Incomplete digestion of food can lead to excess gas in the intestine. 2  Louder rumbles may occur when one is hungry. 3  Stomach rumbles can form further along the gastrointestinal system when air is swallowed while talking, eating, and drinking.
One cup of raw yams contains about 158 calories, whereas 1 cup of raw sweet potatoes contains about 114 calories. Therefore, yams contain about 44 more calories than sweet potatoes for an equal portion.
How Many Carbohydrates in a Sweet Potato. 1 Medium Size (2â³ x 5â³): 103 calories, 24 g carbohydrate, 4 g fiber. 1 Cup (about 200 g): 180 calories, 41 g carbohydrate, 7 g fiber. Whatâs amazing about sweet potatoes is that they have high fiber content. Technically, you can subtract the grams of fiber from the total amount of carbohydrates to get an idea of the net grams of carbohydrates that we use for energy.