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ptyalin

Noun

pty=a=lin

WORDNET DICTIONARY

ptyalin, n. [Gr. spittle. See Ptyalism.].

An unorganized amylolytic ferment, on enzyme, present in human mixed saliva and in the saliva of some animals. [1913 Webster]

ptyalin, n. an enzyme which hydrolyses certain carbohydrates and is found in the saliva of humans and some other animals.

Etymology

Gk ptualon spittle

For further exploring for "ptyalin" in Webster Dictionary Online