noun
- an enzyme found in saliva that breaks down starch into sugar
Usage: biochemistry
Examples
- Ptyalin begins the digestion of starch as soon as food enters the mouth.
- The enzyme ptyalin converts complex carbohydrates into simpler sugars.
- Saliva contains ptyalin, which helps break down bread and pasta.
- Without ptyalin, the initial breakdown of starches would be delayed.
- The activity of ptyalin is optimal at body temperature and neutral pH.
- Ptyalin production increases when we smell or see appetizing food.