ptyalin pty·a·lin (tī'ə-lĭn)
n.
An amylase present in saliva that catalyzes the hydrolysis of starch into maltose and dextrin.
| ptyalin (tī'ə-lĭn) Pronunciation Key
An enzyme found in the saliva of humans and herbivorous animals that helps in the predigestion of starches. Ptyalin is a type of amylase. |