ptyalin

(redirected from Alpha-Amylase)
Also found in: Dictionary, Thesaurus, Medical, Wikipedia.
Related to Alpha-Amylase: Amyloglucosidase, Pancreatic amylase

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.
References in periodicals archive ?
Lynch, the principal investigator of the LIFE Study's psychological stress protocol, said that the study shows that women with high levels of the stress biomarker salivary alpha-amylase have a lower probability of becoming pregnant and it's associated with a greater than two-fold increased risk of infertility among these women.
The odds of pregnancy were slashed 31% for women whose salivary levels of alpha-amylase were in the highest tertile, compared with women whose levels were in the lowest tertile after adjustment for such important confounders as the difference between partners' ages, intercourse during the fertile window and the woman's age, income, race, parity, smoking, caffeine intake, and alcohol use (odds ratio, 0.
Verenium and DSM have entered into a supply agreement for Verenium to manufacture the Purifine[R] PLC, alpha-amylase and xylanase products for DSM.
Because of the temperature range of stages three, four and five of the Mixolab curve we can estimate the falling number index (flour alpha-amylase activity) with the parameters values of these stages, the best correlation being obtained especially with the fourth and fifth Mixolab parameters curve.
Chokshi noted that Phase 2 is prepared using thermoprocessing conditions to substantially inactivate hemagglutinating activity and trypsin inhibitory activity while preserving substantial alpha-amylase inhibition activity (31,32).
In 119 post-spray plasma samples analysed for alpha-amylase, the mean (SD) enzyme activity concentration was found to be 71.
Mantsala, "Characterization of a Thermostable Bacillus stearothermophilus Alpha-Amylase," Biotechnol.
Alpha-amylase was 254 U/L, lipase 84 U/L, sodium 131 mmol/L, and fibrinogen 4.
Slowing the rate of starch breakdown, by blocking alpha-amylase, can lead to a more even trickle of glucose into the bloodstream from the intestine.
The action of malt alpha-amylase and barley beta-amylase on Lintner starch, amylopectin, and amylose in model systems and on malt starch in practical mashes was monitored using reverse-phase high-performance liquid chromatography.
The extract inhibits the activity of an enzyme called alpha-amylase, which breaks down carbohydrates into simple sugars so that they can be absorbed by the body.
In dry-milling, ground cornmeal is cooked during a liquefaction stage with water and an enzyme, alpha-amylase.