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.
Protein is digested in the stomach. Digestion of fat starts in mouth and is completed in small intestine. Digestion of carbohydrate mostly occurs in the intestine. Enzymes specific for the digestion of particular type of food plays important role in the digestion process. Edited by Ashraf.