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Topic: Amylase


In the News (Mon 13 Oct 08)

  
  Amylase - Wikipedia, the free encyclopedia
Amylase (EC 3.2.1.1) (CAS# 9014-71-5) is a digestive enzyme classified as a saccharidase (an enzyme that cleaves polysaccharides).
Amylase is also synthesized by many plants during the ripening of fruit and during the germination of cereal grains.
Ptyalin is the name given to the amylase found in saliva that breaks starch down into maltose and dextrin.
en.wikipedia.org /wiki/Amylase   (442 words)

  
 Greenwood Health Systems ... Amylase   (Site not responding. Last check: 2007-10-21)
Amylase was purified (1835) from malt by Anselme Payen and Jean Persoz.
Amylase hydrolyzes starch, glycogen, and dextrin to form in all three instances glucose, maltose, and the limit-dextrins.
Salivary amylase is known as ptyalin; although humans have this enzyme in their saliva, some mammals, such as horses, dogs, and cats, do not.
greenwoodhealth.net /np/amylase.htm   (450 words)

  
 Amylase: The Test
The blood test for amylase is used to diagnose pancreatitis (swelling of the pancreas) and other pancreatic diseases.
Amylase is also used (to a lesser extent) in the diagnosis and follow-up of cancer of the pancreas, ovaries, or lungs; gallbladder attack; and mumps.
Amylase levels may be moderately elevated with chronic pancreatitis or may be decreased when the cells that produce amylase in the pancreas become damaged or destroyed.
www.labtestsonline.org /understanding/analytes/amylase/test.html   (339 words)

  
 Amylase tests   (Site not responding. Last check: 2007-10-21)
Amylase is a digestive enzyme made primarily by the pancreas and salivary glands.
Other causes of increased amylase, such as mumps, kidney failure, pregnancy occurring in the abdomen but outside the uterus (ectopic pregnancy), certain tumors, a penetrating ulcer, certain complications of diabetes, and advanced pancreatic cancer, are further investigated based on the person's symptoms, medical history, and the results of other tests.
Amylase levels may be low in severe liver disease (including hepatitis), conditions in which the pancreas fails to secrete enough enzyme for proper digestions (pancreatic insufficiency), when toxic materials build up in the blood during pregnancy (pre-eclampsia), following burns, in thyroid disorders, and in advanced cystic fibrosis.
www.healthatoz.com /healthatoz/Atoz/ency/amylase_tests.jsp   (792 words)

  
 Amylase
An amylase test measures the amount of this enzyme in a sample of blood taken from a vein or in a sample of urine.
For a 24-hour urine test for amylase, be sure to drink enough fluids during the test to prevent dehydration.
Macroamylasemia, an uncommon and harmless condition in which amylase is bound to a protein in the blood.
www.webmd.com /hw/lab_tests/hw1882.asp   (1255 words)

  
 [No title]   (Site not responding. Last check: 2007-10-21)
The enzyme used in this lab exercise is amylase, which is commonly found in saliva and germinating seeds.
In lab, the activity of amylase was observed by using iodine.
As amylase breaks down starch, less and less starch will be present and the color of the solution (if iodine is added) will become lighter and lighter.
www.und.nodak.edu /dept/jcarmich/101lab/lab6/lab6.html   (412 words)

  
 Reference.com/Encyclopedia/Amylase
Amylase (EC 3.2.1.1) is a digestive enzyme classified as a saccharidase (an enzyme that cleaves polysaccharides).
Amylase is also synthesized in the fruit of many plants during ripening, causing them to become sweeter, and also during the germination of cereal grains.
There are two isoforms of amylase: pancreatic and salivary amylase.
www.reference.com /browse/wiki/Amylase   (326 words)

  
 MedlinePlus Medical Encyclopedia: Amylase test
This is a test to measure the amount of amylase in serum (blood).
Amylase is an enzyme that helps digest glycogen and starch.
When the pancreas is diseased or inflamed, amylase escapes into the blood.
www.nlm.nih.gov /medlineplus/ency/article/003464.htm   (625 words)

  
 Starch Hydrolysis by Amylase
The paper industry also uses liquefying amylases on the starch used in paper coating where breakage into the smallest glucose subunits is actually undesirable.
Fungal amylase and amyloglucosidase may be used together to convert starch to simple sugars.
Considering the relatively short period of time food stays in the mouse and considering the amylase activities of human saliva, there is really not much degradation of starch molecules in the mouse.
www.eng.umd.edu /~nsw/ench485/lab5.htm   (3536 words)

  
 Amylase-Digestive enzyme to digest carbohydrates
Amylase refers to a group of enzymes whose catalytic function is to hydrolyze (breakdown) sugar and starch.
For example, when you are low in amylase you are a candidate for abscesses (inflamed areas with pus but not bacteria).
Amylase is involved in anti-inflammatory reactions such as those caused by the release of histamine and similar substances.
www.enzymeessentials.com /HTML/amylase.html   (753 words)

  
 Amylase
Before we can intelligently differentiate the two types of amylases, we need to know something about the structure of the substrate ("food") of these amylases.
It is a macromolecule, and the way macromolecules are usually depicted is by taking a small sample out of the extensive chain of repeating units.
For this reason we have sought a non-animal source of high concentration amylase that has great activity with little preparation time needed by the teacher or laboratory manager.
www.science-projects.com /Amylase.htm   (1035 words)

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