1. Salivary amylase can hydrolyze soluble starch and amylose into maltose, glucose and dextrin.

2. Salivary amylase can be mixed with starch in food and hydrolyzed to produce maltose, glucose and other substances, which can better help digestion and absorption and make taste buds sweet when eating.

3. Salivary amylase can hydrolyze polysaccharide into low sugar or monosaccharide, so it has hypoglycemic effect.