The enzyme found in saliva is amylase, also known as ptyalin. It acts on carbohydrates, specifically starch.

Here's how it works:

* Amylase breaks down starch into simpler sugars, like maltose. This process is called hydrolysis.

* This initial digestion of carbohydrates in the mouth helps prepare them for further breakdown in the small intestine.

So, the next time you chew on a piece of bread, remember that your saliva is already working to break it down!