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.
Sodium in Sweet Potato. The favorite choice for the term Sweet Potato is 1 cup of cubed Sweet Potato which has about 70 mg of sodium. The amount of salt (sodium) for a variety of types and serving sizes of Sweet Potato is shown below. View other nutritional values (such as Calories, Carbs or Fats) using the filter below: Calories|Total Carbs|Total Fats|Protein|Sodium|Cholesterol|Vitamins. Sodium(mg) (1 cup serving)