The following foods are allowed in a clear liquid diet: Water (plain, carbonated or flavored) Fruit juices without pulp, such as apple or white grape. Fruit-flavored beverages, such as fruit punch or lemonade. Carbonated drinks, including dark sodas (cola and root beer) Gelatin.
Your body has a mechanism and set of enzymes for digesting the carbs, protein and fat molecules in your food. Chemical digestion occurs in several steps beginning in the mouth and ending with absorption in the small intestinal cells.
Carbohydrate Digestion. Carbohydrate breakdown begins in the mouth, as enzymes and the mechanical act of chewing start to break them down before they even reach your stomach. Although carbohydrate breakdown continues in the stomach, most carbohydrates, with the exception of alcohol, are absorbed in the small intestine.arbohydrate breakdown begins in the mouth, as enzymes and the mechanical act of chewing start to break them down before they even reach your stomach. Although carbohydrate breakdown continues in the stomach, most carbohydrates, with the exception of alcohol, are absorbed in the small intestine.