| 释义 |
ptyalinenUK
pty·a·lin P0641300 (tī′ə-lĭn)n. A form of amylase in the saliva of humans and certain other animals that catalyzes the hydrolysis of starch into maltose and dextrin.
[Greek ptualon, saliva (from ptūein, to spit) + -in.]ptyalin (ˈtaɪəlɪn) n (Biochemistry) biochem an amylase secreted in the saliva of man and other animals[C19: from Greek ptualon saliva, from ptuein to spit]pty•a•lin (ˈtaɪ ə lɪn)
n. an enzyme in the saliva that converts starch into dextrin and maltose. [1835–45; < Greek ptýal(on) spittle, saliva + -in1] pty·a·lin (tī′ə-lĭn) An enzyme found in saliva that breaks down starches into sugars.Thesaurus| Noun | 1. | ptyalin - an amylase secreted in salivasaliva, spittle, spit - a clear liquid secreted into the mouth by the salivary glands and mucous glands of the mouth; moistens the mouth and starts the digestion of starchesamylase - any of a group of proteins found in saliva and pancreatic juice and parts of plants; help convert starch to sugar |
ptyalinenUK
ptyalin (tī`əlĭn): see amylaseamylase
, enzyme having physiological, commercial, and historical significance, also called diastase. It is found in both plants and animals. Amylase was purified (1835) from malt by Anselme Payen and Jean Persoz.
..... Click the link for more information. .ptyalin[′tī·ə·lən] (biochemistry) A diastatic enzyme found in saliva which catalyzes the hydrolysis of starch to dextrin, maltose, and glucose, and the hydrolysis of sucrose to glucose and fructose. Also known as ptyalase; salivary amylase; salivary diastase. ptyalinenUK
ptyalin [ti´ah-lin] α-amylase occurring in saliva.α-am·y·lase (am'il-ās), A glucanohydrolase yielding mainly maltose and some α-glucose in an endohydrolytic random manner from 1,4-α-glucans. An amylase that has been used clinically as a digestive aid. Synonym(s): glycogenase, ptyalin, Taka-diastaseptyalin (tī′ə-lĭn)n. A form of amylase in the saliva of humans and certain other animals that catalyzes the hydrolysis of starch into maltose and dextrin.ptyalin The salivary enzyme MALTASE.ptyalinenUK
Related to ptyalin: trypsinWords related to ptyalinnoun an amylase secreted in salivaRelated Words |