What does saliva do to food you eat?
The main enzyme in saliva is amylase. Amylase breaks down carbohydrates, such as starches, into smaller sugars. This process begins in the mouth and continues in the stomach and small intestine. Other enzymes in saliva help to break down proteins and fats.
Saliva also helps to lubricate the mouth and throat, making it easier to swallow. It also helps to protect the teeth from decay by neutralizing acids and providing a protective coating.
In addition to its role in digestion, saliva also plays a role in speech, taste, and oral health.