Definition of ptyalin in English:

ptyalin

Line breaks: ptya|lin
Pronunciation: /ˈtʌɪəlɪn
 
/

noun

[mass noun] Biochemistry
  • A form of amylase found in the saliva of humans and some other animals.
    More example sentences
    • It begins in the mouth where the enzyme ptyalin, present in saliva, begins to break down starch in food to sugars.
    • The saliva of carnivora contains no ptyalin and cannot predigest starches; that of vegetarian animals contains ptyalin for the predigestion of starches.

Origin

mid 19th century: from Greek ptualon 'spittle' + -in1.

More definitions of ptyalin

Definition of ptyalin in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

More on ptyalin

Nearby words

More words in this category

amphipathic biopolymer calciferol carrier EFA

Translate ptyalin

into Spanish
Word of the day razz
Pronunciation: raz
verb
tease (someone) playfully