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  • WordNet 3.6
    • n ptyalin an amylase secreted in saliva
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Webster's Revised Unabridged Dictionary
    • n Ptyalin (Physiol. Chem) An unorganized amylolytic ferment, on enzyme, present in human mixed saliva and in the saliva of some animals.
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Century Dictionary and Cyclopedia
    • n ptyalin The peculiar principle of saliva, believed to be a proteid body, which acts as a ferment on starch, rapidly converting it into dextrose.
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Chambers's Twentieth Century Dictionary
    • n Ptyalin tī′a-lin the nitrogenous essential principle of saliva
    • ***


Webster's Revised Unabridged Dictionary
Gr. spittle. See Ptyalism
Chambers's Twentieth Century Dictionary
Gr.,—ptuein, to spit.


In literature:

This is done by the ferment ptyalin contained in saliva.
"A Practical Physiology" by Albert F. Blaisdell
Associated Words: salivary, salivous, salivant, salivate, salivation, ptyalin.
"Putnam's Word Book" by Louis A. Flemming
The enzymes ptyalin and emulsin convert it into glucose and saligenin, ortho-oxybenzylalcohol, HO.C6H4.CH2OH.
"Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2" by Various
These unorganized ferments are such as rennin, pepsin, trypsin, ptyalin.
"The Book of Cheese" by Charles Thom and Walter Warner Fisk