Which kinds of food encompass chemical digestion

By usually dividing food into fats, carbohydrates and proteins and considering the digestive procedure until the pylorus (that is, exit of stomach), which of such mentioned kinds of food encompass already undergone chemical digestion?




Until the exit of stomach, carbohydrates in the mouth, and proteins in the stomach, encompass already undergone chemical breaking by the digestive enzymes. Carbohydrates contain suffered action of the salivary amylase (or ptyalin) and proteins contain suffered action of enzyme pepsin of the gastric juice. Fats, till reaching the duodenum, do not experience chemical digestion.

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