the enzymes that digest fats,proteins and carbohydrates
the salivery gland secretes saliva which contains an enzyme called amylase which reacts on carbohydrate to produce glucose.digestion of protien begins in the stomach which secrets gastric juice.fats are also digested by enzymes produced in the pancreas and the liver.igestion of carbohydrates start in the mouth. Amylase, an enzyme in saliva, hydrolyzes starch and glycogen into smaller polysaccharides. This digestion continues in the stomach after the food (bolus) passes through the esophagus.