Crossword clues for ptyalin
The Collaborative International Dictionary
Ptyalin
Ptyalin \Pty"a*lin\, n. [Gr. ? spittle. See Ptyalism.] (Physiol. Chem.) An unorganized amylolytic ferment, on enzyme, present in human mixed saliva and in the saliva of some animals.
Wiktionary
ptyalin
n. (context enzyme English) A form of amylase found in saliva that breaks down starch into maltose and dextrin.
WordNet
ptyalin
n. an amylase secreted in saliva
Usage examples of "ptyalin".
This is due to the presence of the hydrochloric acid, the ptyalin being unable to act in an acid medium.
This enables the ptyalin of the saliva to continue its action for a longer time than if the starch were eaten first.
In the second instance the same kind of food is so thoroughly mixed with the ptyalin in the saliva that whatever is eaten becomes of value as protein or fat or some other food element.