If You Take a Piece of White Bread and Chew

Multiple Choice

If you take a piece of white bread and chew it slowly for a long period of time, the flavor will become very sweet. This is due to the starch molecules in the bread being digested into smaller sugars that trigger a sweet sensation. Which substance is responsible for this breakdown?

A) Salivary amylase
B) Pepsin
C) Bicarbonate ion
D) Mucus